Virtually Mint 1966 Fender 6G15 Reverb Unit.......It Quit Reverbing :)

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  • Опубліковано 8 сер 2022
  • In this long and complex video, we will examine, repair, and thoroughly test a super nice, one-owner 1966 Fender 6G15 Reverb Unit. I have provided a detailed table of contents to allow viewers to select and view individual topics if necessary.
    Emphasis was placed upon 1.) Close examination of the unit to assist those who desire to build their own at home. Here is a link to my own revised 6G15 schematic, parts list, construction and layout diagram: app.box.com/s/iad551xa97auao2... 2.) Concealment of the new filter caps 3.) Transplantation of new transducers into the original Gibbs tank 4.) Thorough audio testing of original Gibbs tank, repaired Gibbs tank, and repaired 6G15 unit.....with comparison of 6K6 and 6V6 tank-driving tubes.
    Here is a link to the video featuring the AO-35 Conversion Amplifier feature in the video: • Conversion of a Hammon...
    If you enjoy videos like this, please SUBSCRIBE to our channel, and consider becoming a Patreon patron at: / uncledougsvintageamps or making a PayPal contribution to: dldcam@aol.com. Thanks so much for your time and interest.
    CORRECTION: "606" on the transformers refers to the maker, Schumacher, not to a date of manufacture.

КОМЕНТАРІ • 803

  • @UncleDoug
    @UncleDoug  2 роки тому +18

    Giant Table 'o' Contents:
    0:00 Open Box
    1:05 Examine 6G15
    2:48 Open gifts with Mitzy the Shop Cat
    4:38 Resume Examination of 6G15
    15:10 Read Owner's Letter
    17:20 Begin Disassembly
    27:08 Schematic Review
    36:50 Begin to Replace & Conceal Filter Caps
    39:40 Test Tank Transducer Continuity
    44:05 Resume Filter Cap Replacement
    49:20 Test Reverb Driver Transformer
    52:15 Test all Tubes
    55:25 Test Reverb Cables
    59:20 Install 3-Wire Power Cord and Rectifier Diodes
    1:02:12 Test Original Gibbs Tank vs New MOD Tank
    1:07:42 Mitzy Seeks Attention (You know how girls are ;)
    1:08:30 Transplant New Transducers
    1:18:20 Test Repaired Gibbs Tank (6K6 vs 6V6)
    1:22:54 Final Audio Demo
    1:35:03 Farewell Messages

    • @GabrielVelasco
      @GabrielVelasco 2 роки тому +3

      I've never seen anyone do that with capacitors. What a great idea.

    • @robnic52
      @robnic52 2 роки тому

      Another charming, delightful video, thanks Doug. Did you find the fault that stopped the reverberations reverberating or was the old tank just unsatisfactory?

    • @UncleDoug
      @UncleDoug  2 роки тому

      @@robnic52 Thanks, Rob. As I said in the video, I believe the transducers lose their magnetism over time.

    • @UncleDoug
      @UncleDoug  2 роки тому

      @@GabrielVelasco Glad you liked it, Gabe :)

    • @patriottothecore6215
      @patriottothecore6215 Рік тому

      Love the high-tech glue applicator - remember, there is no such thing as a free lunch (or in this case a free steak dinner) 😂😂. I was surprised you didn’t change the cardboard electrolytics in the main circuit. I assume they were ok?

  • @adambradley3284
    @adambradley3284 25 днів тому

    Uncle Doug you are a legend and still so humble. I can't believe you would clean your fingerprints off the metalwork. A hundred years from now when these fully restored Jewels are opened up by enthusiasts like you, they will be combing the chassis for evidence that Uncle Doug may once have graced these shores, just as you look for traces of a bygone era. Please leave at least one fingerprint. You too are a treasure according to at least 128000 people.

    • @UncleDoug
      @UncleDoug  25 днів тому

      Wow, thanks so much, Adam. We are blushing :) Although I don't sign my repair work, I do provide confirmation of origin on each of my handbuilt amps. God willing, maybe some day it will be noticed by a future generation.

  • @charlesberquist985
    @charlesberquist985 2 роки тому +25

    I am a retired electonics teacher and have been working on tube amps and building Fender copied reverb units for ever, I have learned so much from you. You are a very good teacher. Thanks so much for all the lessons you have created. Boy, would I like to find a 1966 reverb in that condition!😃

    • @y00h0011
      @y00h0011 Рік тому +9

      Indeed. Uncle Doug is The Professor. Being tardy (twice) requires an offering of quality beef jerky. Falling asleep in class requires a side of beef!

    • @UncleDoug
      @UncleDoug  Рік тому +3

      You're welcome, Charles. Thanks for sharing :)

    • @daleburrell6273
      @daleburrell6273 Рік тому

      ...if you've been at it "forever"- you must have an AWFUL lot of experience-(?)

    • @UncleDoug
      @UncleDoug  Рік тому +1

      @@daleburrell6273 I'm not sure what this is referring to, Dale.

    • @daleburrell6273
      @daleburrell6273 Рік тому +1

      @@UncleDoug I was responding to Charles Berquist's post.

  • @TheTrueVoiceOfReason
    @TheTrueVoiceOfReason Рік тому +9

    I must say, I like the way the Gibbs performs.

    • @UncleDoug
      @UncleDoug  Рік тому +2

      Thanks for sharing your opinion with us, TV ;)

    • @TheTrueVoiceOfReason
      @TheTrueVoiceOfReason Рік тому +1

      @@UncleDoug well, I've always been on a different wavelength than most. Keeps the world interesting.
      And thank you for all your content. Your teaching is top notch (are you still teaching or retired?) as is your wit and wry humor. Plus your big 'Ole heart for the animals. Rusty lives on in your older vids while Jack and Ollie continue on the fine musical performances, and it'll be interesting to see how Mitzie (I did hear her name right, didn't i?) contributes ro the demonstrations other than checking out the bench.
      I come from a long line of teachers, and I can tell that your students were lucky to have you. Thanks again.

    • @UncleDoug
      @UncleDoug  Рік тому +4

      @@TheTrueVoiceOfReason Thanks so much for your kind words TV. While teaching, I always encouraged original thinking. Let's face it, conventional wisdom never invented much of anything :)

    • @jamesmusicproducts
      @jamesmusicproducts Рік тому +1

      ...yeah...ditto - the replacement was WAY harsh. And partnered with the 6V6? Yee-ouch!

    • @UncleDoug
      @UncleDoug  Рік тому +1

      @@jamesmusicproducts Thanks for sharing your opinion with us, D.

  • @suomi35
    @suomi35 Рік тому +12

    Your capacitor stuffing idea has progressed from a damn fine idea to just perfect. Great video, as always!

  • @jacobdowler1
    @jacobdowler1 2 роки тому +1

    Was blessed to see a vague hint our beloved Uncle Doug in the reflection of the input jack cord. GOBBLESS!

    • @UncleDoug
      @UncleDoug  2 роки тому +1

      That may have been the body double I use for reflective situations ;)

    • @jacobdowler1
      @jacobdowler1 2 роки тому +1

      @@UncleDoug 😆

    • @jacobdowler1
      @jacobdowler1 2 роки тому

      @@UncleDoug Good man Doug. ill always watch your videos!

    • @UncleDoug
      @UncleDoug  Рік тому

      @@jacobdowler1 Thanks, Jake :)

  • @preiter20
    @preiter20 2 роки тому +2

    A mid-week video from Uncle Doug! This Fender is is a gem.

    • @UncleDoug
      @UncleDoug  Рік тому +1

      I hope you enjoy it, Paul.

  • @timothyb1559
    @timothyb1559 2 роки тому +4

    Outstanding! I guess the mystery of what happened to Lupe's missing can of tuna fish that she brought in to work for lunch has finally been solved.
    Thank you, UD, for everything!

    • @UncleDoug
      @UncleDoug  2 роки тому

      Thanks !! Glad you enjoyed it, Tim :)

  • @Curtislow2
    @Curtislow2 2 роки тому +5

    I remember that Rexall Stores had Tube testers in most locations. Went many of trips with my Dad to test our TV tubes.

    • @UncleDoug
      @UncleDoug  Рік тому +3

      Me too.....a happy childhood memory :)

    • @Curtislow2
      @Curtislow2 Рік тому

      @@UncleDoug THX for the tip trip!

    • @jamiemorgan4146
      @jamiemorgan4146 Рік тому +1

      LOL ... Great memories of going with my late Dad to Rexall to check out tubes!!👏🏻👏🏻👏🏻

    • @joeyoungs8426
      @joeyoungs8426 Рік тому +1

      Up here in Michigan it was our Cunningham’s Drug Stores with those giant tube tester consoles in their vestibule. I was mighty young but it seems to me those consoles were about as big as a compact car. Maybe it was my single digit age that made them look so huge.

    • @UncleDoug
      @UncleDoug  Рік тому

      @@joeyoungs8426 As I recall, they really were rather large, Joe.....and filled with new tubes :)

  • @donbutler8760
    @donbutler8760 Рік тому +2

    I had one of these in the early 70’s. I wish I had kept it…I bought it from a friend for $45.00 It was clean like this one ! Worked great with my brown Princeton that I ran into a 100 watt Vox and into a 2x12 Cerwin Vega G32 cabinet!

    • @UncleDoug
      @UncleDoug  Рік тому +1

      Sounds like a wonderful possession, Don. We've all let good items go.....darn it !!!

  • @scottsempeck3422
    @scottsempeck3422 Рік тому +2

    Great hearing reverb on Jack & Ollie's demo - most of their post-repair demonstrations are clean and with vibrato. I use reverb on my Fender amps about 85% of the time and vibrato only about 5%, so this was definitely a rare treat. Eedee says hello to the kitties!🐾

    • @UncleDoug
      @UncleDoug  Рік тому +2

      Thanks, Scott. Glad you enjoyed it. Regards to ED.

  • @rgbplumbinghilton
    @rgbplumbinghilton Рік тому +1

    I am glad I opened YT this morning. Work can wait until I have seen this beauty

    • @UncleDoug
      @UncleDoug  Рік тому

      Hope you enjoy it, Richard.

  • @bullthrush
    @bullthrush Рік тому +3

    Beautiful reverb unit. Sounds great with either tube but the 6V6 does inspire waxing up the old surfboard. Thank you for taking time to record the process.

    • @UncleDoug
      @UncleDoug  Рік тому +1

      Thanks for your input Andrew :)

  • @allanpennington
    @allanpennington Рік тому +5

    Seeing the date on the note you put on the re-stuffed caps shows when you did this video and the time taken since to edit and produce it for airing on UA-cam. Clearly this takes time, effort and dedication to your viewers and that sir is much appreciated.

    • @UncleDoug
      @UncleDoug  Рік тому +1

      Thanks for noticing and commenting, Allan. A video of this length is quite a demanding project.

    • @daleburrell6273
      @daleburrell6273 Рік тому +1

      ...you summed it up pretty well-(!)

  • @duanerogers5391
    @duanerogers5391 Рік тому +2

    It never hurts to include the test and troubleshooting. It keeps it fresh in our minds. Keep up the good work and I hope you and your family stay healthy and safe!

  • @Projacked1
    @Projacked1 2 роки тому +4

    Woah, those custom cabinet tilts......!
    Pure art Uncle D!

    • @UncleDoug
      @UncleDoug  Рік тому +2

      Available at fine amp-repair stores from coast to coast :)

    • @PerryCodes
      @PerryCodes Рік тому +1

      I got a good laugh from this :)

    • @UncleDoug
      @UncleDoug  Рік тому +1

      @@PerryCodes Glad to hear it, Jason :)

  • @jeremymtc
    @jeremymtc Рік тому +1

    Thank you for being our Uncle, Doug. Way beyond the merely educational, your videos and projects are always fun, interesting, and full of warmth and good humor. And cats.

    • @UncleDoug
      @UncleDoug  Рік тому +1

      Thanks, FM. Glad you enjoy our little productions :)

    • @daleburrell6273
      @daleburrell6273 Рік тому

      ...THAT'S THE TRUTH-(!)

  • @davidshutt2273
    @davidshutt2273 Рік тому +1

    I love the "no see 'em" rebuild. Yer a crafty guy, Uncle D.

  • @matthewf1979
    @matthewf1979 Рік тому +2

    Beautiful example of a vintage tank! Immaculate!
    Perfect explanation of the circuit and how it works. I remember watching the videos on your 6G15 build a few years ago and the video on El Paso Tube Amps.
    Mitzi is such a cutie! She’s probably the sweetest feral I’ve ever seen. My feral is a sweet boy to me and only me when we’re inside the house. All bets are off when he’s outside!

    • @UncleDoug
      @UncleDoug  Рік тому +2

      Thanks so much for your very nice comments, Matt. That EPTA video was way back before I had my own channel. Mitzy sends her regards to you both :)

  • @GaitaPonto
    @GaitaPonto Рік тому +1

    This reverb is two months older than myself. Great job as always Doug.

  • @joereedmusic9853
    @joereedmusic9853 Рік тому +4

    The Gibbs tank provides more of the reverb and tone quality I'm use to hearing from Fender reverbs. I think it adds less depth than the MOD tank, but the Gibbs is the classic Fender sound.

    • @UncleDoug
      @UncleDoug  Рік тому

      Thanks for your input, Joe.

  • @geemac7267
    @geemac7267 2 роки тому

    Very comprehensive overview, Doug. Thanks for taking us along!

  • @marlobreding7402
    @marlobreding7402 2 роки тому +1

    This made me hear Apache in my head one of the best reverb songs.

  • @peterflynn850
    @peterflynn850 Рік тому +5

    Cosmic timing Uncle Doug! I am just starting a Mojotone kit build of the 6G15. Nice to be able to have an Uncle Doug tour of a mint specimen. Thanks a bunch! Regarding the C.S.A. Test label on the power amp, this is likely to be a Canadian Standards Association test mark. This is not the common label used though, which is a large C with stylized S and A inscribed inside of the C.

    • @UncleDoug
      @UncleDoug  Рік тому +2

      Glad for the good timing, Peter. Best of luck with your project.

    • @petefun-ten
      @petefun-ten Рік тому

      The CSA logo was omnipresent on electronics sold north of the 49th en.wikipedia.org/wiki/CSA_Group

  • @Vladtheimpaler5211
    @Vladtheimpaler5211 2 роки тому +1

    You are the best uncle Doug! Appreciate you and all you do

  • @ManMartin
    @ManMartin Місяць тому

    This amp + rev + guitar + paws is killer🤟

    • @UncleDoug
      @UncleDoug  Місяць тому

      Glad you liked it, MM :)

  • @Slugg-O
    @Slugg-O Рік тому +1

    Very nice as always, and as usual I learned something new. I really enjoy the level of detail you add to your repairs and wish I had thought of drilling through the end caps when I performed a cap job on my 65 Pro Reverb. Thank you again.

    • @UncleDoug
      @UncleDoug  Рік тому

      Thanks so much, Randy. Glad you enjoyed it.

  • @GL64
    @GL64 Рік тому +1

    Love it. I have a home-build 6G15 and as a frequent user of excessive drippy surf reverb, these units are unbeatable.

    • @UncleDoug
      @UncleDoug  Рік тому +1

      Couldn't agree more, GL :)

  • @darrellowe4208
    @darrellowe4208 2 роки тому

    Thank you, Uncle Doug! I always watch and never comment, for quite a few years now. Your videos are deliciously entertaining, informative, educational, personable, and funny. Thanks!

    • @UncleDoug
      @UncleDoug  2 роки тому +1

      Wow....thanks for the very nice comments, Darrel :)

  • @fiddlix
    @fiddlix 2 роки тому +1

    This hits right in my formative years. I was surrounded by tubes with my father and my uncle into ham radio and tube electronics. I learned so much through osmosis back then. Lol

    • @UncleDoug
      @UncleDoug  2 роки тому

      Glad to hear it, David :)

  • @lamppostwillie
    @lamppostwillie 2 роки тому

    Thank you, sir. Another interesting, thoughtful video. I was really surprised how different the two tanks sounded. I wouldn't have thought there would be that much difference. Fascinating stuff as usual.

    • @sootikins
      @sootikins Рік тому

      Well, it's a comparison between a brand new tank and a 56 year old tank. Magnets can degrade over time. The old tank probably sounded a whole lot better when new than it does now.

    • @UncleDoug
      @UncleDoug  Рік тому +1

      Agreed, Sooti. I have heard some glorious Gibbs tanks in early Gibson amps.

  • @elluisito000
    @elluisito000 2 роки тому

    Back in the day I did a rather primitive opamp based reverb unit, this video brings reverberating memories of a previous life. Thanks uncle Doug!

    • @UncleDoug
      @UncleDoug  Рік тому +1

      Glad you enjoyed it, Luis.

  • @deplinenoise
    @deplinenoise Рік тому +1

    Great video as always. I’m always struck by how simple design can work really well. The bent sheet metal, the rough foam. There is a lot of beauty in simple, straight forward design. Also becomes easy to fix.

  • @stauffrt2
    @stauffrt2 9 місяців тому

    I think Jack has been secretly wood-shedding. His chops are sounding sweet. (You’re the man Uncle D!).

    • @UncleDoug
      @UncleDoug  9 місяців тому

      Thanks so much, S2. I'll tell him :)

  • @1finchdog
    @1finchdog 2 роки тому

    Another great video learning experience Uncle Doug! Thanks for sharing your time with us out here in UA-cam Land!

    • @UncleDoug
      @UncleDoug  2 роки тому

      You're welcome, Mike :)

  • @bluesman97
    @bluesman97 Рік тому

    Uncle Doug, You never disappoint. Thank You for all you do.

    • @UncleDoug
      @UncleDoug  Рік тому

      You're welcome, BM. Thanks !!!

  • @fredberthiaume6883
    @fredberthiaume6883 2 роки тому +1

    Thanks that reverb sounds so good. Got to give Fender credit they got it right.

  • @williambock1821
    @williambock1821 2 роки тому +1

    Really cool! The Ao35 sounds great,too! I built an 18 watt lite out of one with all new components and even a new output transformer but there are still more tonal similarities between the two than one would expect.

  • @skullheadwater9839
    @skullheadwater9839 Рік тому

    Hello Uncle Doug, great to see a video from you today. I always enjoy your knowledge and humor.

  • @djentlover
    @djentlover Рік тому

    It's always a happy day when you upload. The Uncle Doug amp with that reverb unit is a match made in heaven, what a creamy sound! I really want that amp now. Also, really tasteful and pleasant guitar playing. Thank you

    • @UncleDoug
      @UncleDoug  Рік тому

      Wow.....thanks so much, DJ. I may list the amp for sale on my FB page: Uncle Doug's Vintage Amps.

  • @rmg471
    @rmg471 2 роки тому

    Always great to see Uncle Doug uploading a new video. What a treat!

  • @BurnleyNuts
    @BurnleyNuts 2 роки тому +1

    Your work on those electrolytic caps is superb Uncle Doug. A Joy to behold.

  • @tronics666
    @tronics666 2 роки тому +3

    CSA Group’s experienced team is known across North America and internationally for testing a broad spectrum of transformers. In business since about 1919.

    • @UncleDoug
      @UncleDoug  2 роки тому +1

      Thanks for the info, X.

  • @leelossi1257
    @leelossi1257 2 роки тому

    beautiful job again! love your special humor......you sure have a passion for your work

  • @Dutchamp
    @Dutchamp 2 роки тому +1

    Once again Uncle Doug you done it.
    What a nice restauration on that very nice original Fender.
    Clever way to replace those magnets, shame the holders are made of plastic hopefully they will holdup as long as the original magnets. And I like the humor wich you make your videos so lovely to watch. Take care.

    • @UncleDoug
      @UncleDoug  Рік тому

      Thanks so much for your very nice comments, WW.

  • @reggiewallace260
    @reggiewallace260 2 роки тому

    Thank you Uncle Doug. Once again a well done and interesting video.

    • @UncleDoug
      @UncleDoug  Рік тому

      Glad you enjoyed it, Reggie :)

  • @markcunningham6086
    @markcunningham6086 2 роки тому +1

    Always learn stuff from you, uncle Doug.....😊

    • @UncleDoug
      @UncleDoug  2 роки тому

      Glad to hear it, Mark.

  • @salossi
    @salossi 9 місяців тому

    Hey Doug,
    About the phase: Fender obviously went for a cathode follower in the dry-path to keep the input-phase matched to the output-phase. The phase during the wet-chain is irrelevant, as it also depends on the way, the transformer is connected. Also the reverb tank will pretty much mess up the phase in the wet-path.
    About re-stuffing caps: I was just about to mention here, that you should leave a sticker inside the doghouse, to prevent the next technician from instantly removing those restuffed caps again - and booom - you did 👍
    I absolutely like the way, you restuffed the hall-tank, and preserved, what could be preserved from the original hammond-unit. By the way: I never expected the difference being so massive, due to the weakening of the alnicos inside the reverb-transducers! That is really important knowledge, and I will doublecheck the sound of those halltanks the next time, I will service old fender reverb amps! Thanks for all your help, out here in youtube-land!!

    • @UncleDoug
      @UncleDoug  9 місяців тому +1

      You're welcome, Sal. We're glad the videos are clear and helpful :)

  • @RJ-bn5uw
    @RJ-bn5uw 2 роки тому +2

    6G-15's just what I need , my variable AFU-69's never locked in place correctly . Looks like Mitzy has good timing , she might handle the percussion end of things . TVM UD , A joy as always .

  • @RideAcrossTheRiver
    @RideAcrossTheRiver Рік тому

    That backplate with the glued Tolex 'eyelashes' is the most 1965 thing I've ever seen other than a Vox Mark IV played upright.

  • @rohankhemraj
    @rohankhemraj Рік тому

    Thanks for documenting this. What a clean example.

    • @UncleDoug
      @UncleDoug  Рік тому

      Glad you enjoyed it, Rohan.

  • @antonix_81
    @antonix_81 Рік тому

    great video! this reverb unit sounds wonderful through your amp

  • @tomstiel7576
    @tomstiel7576 2 роки тому

    Still the undisputed,,,at least by me,,,king of vintage amp repair,,,You are the GOLD standard in my book Uncle Doug,,,,,Love the shop kitty !!!! God Bless you and yours !!!!

    • @UncleDoug
      @UncleDoug  Рік тому +1

      Wow....thanks so much from all of us, Tom :)

    • @jamiemorgan4146
      @jamiemorgan4146 Рік тому +1

      Tom, I’m with you. If I need any of my amps worked on, they’ll go to Uncle Doug.
      I’ve watched him work on amps and such for years. He knows his electronics, he’s real, makes sense and down to earth.
      Thanks 🙏🏻Uncle Doug!

    • @UncleDoug
      @UncleDoug  Рік тому

      @@jamiemorgan4146 Thanks for the very supportive comments, Jamie :)

  • @nickbruni8041
    @nickbruni8041 2 роки тому

    U.D. ,
    I always have admired Your choice of songs and licks at test time .
    It’s almost like “name that tune “
    🤘🏼
    Rock on & kruise on Brother Man

    • @UncleDoug
      @UncleDoug  Рік тому

      Thanks, U.D. (nice initials)....will do :)

  • @fichambawelby2632
    @fichambawelby2632 2 роки тому

    Hey Doug! Welcome back again, and happy summer! Thanks for the long gift, of course!

  • @RadioDeadAir
    @RadioDeadAir 2 роки тому +3

    I have one from about the same era and it's fantastic. I could have built my own, but it just wouldn't have been the same. I run it through a home built 59 Bassman clone by way of an FX loop and a Dumblelator, and it's the best sounding reverb unit you could hope to own.

    • @UncleDoug
      @UncleDoug  2 роки тому

      Thanks for sharing, RDA :)

  • @vintagetubeamplifiers
    @vintagetubeamplifiers 2 роки тому

    Today is a very good day. Thanks Uncle Doug!😀

    • @UncleDoug
      @UncleDoug  Рік тому +1

      I hope you enjoyed our little production, VTA :)

  • @dannymarks988
    @dannymarks988 Рік тому

    Rebuilding the filter caps with a note included, gluing down the last nibble of the tube chart, cats are happy, everybody wins!
    Fav sound 6K6 with all controls 12 o'clock. Very Nice.

    • @UncleDoug
      @UncleDoug  Рік тому

      Thanks for your input, Danny :)

  • @brianveestrom6784
    @brianveestrom6784 2 роки тому

    Thanks Uncle Doug. Thoroughly enjoyable. In regards to the diodes, the best kill is sometimes overkill.

    • @UncleDoug
      @UncleDoug  Рік тому +1

      Glad you enjoyed it, Brian :)

  • @andrewvenable7422
    @andrewvenable7422 Рік тому

    Carry on wayward Uncle Doug! That reverb unit sounds great!

  • @hestheMaster
    @hestheMaster Рік тому

    For a stray cat like Mitzy I think you have gotten a new best friend. Best time to solder is when she takes a nap BTW.
    Really nice Fender Reverb unit given the excellent repairs needed to get her up and working like new. Thanks so much
    for showing how you get it right the first time using logical steps.

    • @UncleDoug
      @UncleDoug  Рік тому

      Thanks so much, HM :)

    • @highpath4776
      @highpath4776 Рік тому

      @@UncleDoug We know we have so much trouble with long-tailed pair. !

    • @UncleDoug
      @UncleDoug  Рік тому +1

      @@highpath4776 Especially when the tails are furry.

  • @ernestschultz5065
    @ernestschultz5065 Рік тому

    I'm always impressed by the lengths Uncle Doug goes to to preserve at least the appearance of the originality of amps or in this case a reverb unit.

    • @UncleDoug
      @UncleDoug  Рік тому +1

      Thanks, Ernest. Regular capacitor replacement has gotten redundant and boring......now I enjoy the more "artistic" concealed re-capping :)

  • @MrCayoCoco
    @MrCayoCoco Рік тому

    Smashing vid with great Canadian content !! I was recently given and repaired a Hot Cabs PA head that had been dropped. The reverb tank came free from the springs, and two of the input circuit boards disconnected. Now I just need some speakers.

    • @UncleDoug
      @UncleDoug  Рік тому

      Thanks Mr. CC. Good luck with your project.

  • @richreid7098
    @richreid7098 Рік тому

    My opinion is that uncle Doug makes great videos. I always enjoy them.

    • @UncleDoug
      @UncleDoug  Рік тому

      That's one opinion I can strongly support, Rich. Thanks !!

  • @han36solo
    @han36solo Рік тому

    That sounds fantastic Uncle Doug! Really enjoyed the vid and glad to see Mitzi excelling at shop cat duties!

    • @UncleDoug
      @UncleDoug  Рік тому +1

      Thanks so much, Han. She really is a big help in the workshop :)

  • @arismith9938
    @arismith9938 Рік тому

    hey uncle doug! i beileive csa test stands for canadian standards association test transformer...watching you for couple years now! you got me building my own amps!!

    • @UncleDoug
      @UncleDoug  Рік тому

      Thanks for the info, Ari. That's great to hear. Keep up the good work.

  • @joemcgraw5529
    @joemcgraw5529 2 роки тому +1

    very nice Amp impeccable shape!!! very nice repair as always Uncle Doug ,reverb tank stopped working on my Ampeg VT 22V4 100w amp it was completly serviced of any issues10 years ago and was working so probably same problem as here my amp may have 10 hours of use since ,thanks for all of your very valuable videos !!

    • @UncleDoug
      @UncleDoug  Рік тому +1

      You're welcome, Joe.

    • @goodun2974
      @goodun2974 Рік тому +1

      Just be aware that Ampegs use a capacitor driven circuit for the reverb tank and so the standard tank that works an a Fender won't work in an Ampeg. Somewhere on line you should be able to find a chart that will tell you the numbers for the correct reverb tank to order.

  • @gavinw5469
    @gavinw5469 2 роки тому

    It's always a good day when there is a new Uncle Doug video!

    • @UncleDoug
      @UncleDoug  Рік тому

      We hope you enjoy it, Gavin.

  • @paulh6591
    @paulh6591 Рік тому +3

    Gibbs is sharper and cleaner, Mod more spacious and hollow. I like the Gibbs.

  • @edwardhannigan6324
    @edwardhannigan6324 Рік тому

    Hey Doug, being a newbie now for a few years to all this, I must admit at first looking at the circuit it's just like a mini amp...! Great unit and sound, and really authentic as compared to an effects pedal..Love the video and your play by play info as usual..Look forward to more vids, stay safe..Ed..uk..😀

    • @UncleDoug
      @UncleDoug  Рік тому +1

      Thanks so much, Ed. Glad you enjoyed it.

  • @w.rustylane5650
    @w.rustylane5650 Рік тому

    Nice reverb unit. Glad you got it going again. Didn't know that Fender made a stand alone reverb unit. Now I want one! W Rusty Lane K9POW in eastern Tennessee

    • @UncleDoug
      @UncleDoug  Рік тому

      Thanks for your input, Rusty :)

  • @andrewwilliams5042
    @andrewwilliams5042 2 роки тому

    Great video, lots of practical and useful content.

  • @matambale
    @matambale 2 роки тому

    Appreciate the note placement in the dog house. More than you might know. Thanks, Uncle Doug.

    • @UncleDoug
      @UncleDoug  Рік тому

      I'm glad you're happy, M :)

  • @YeatzeeGuitar
    @YeatzeeGuitar Рік тому

    Wow, fascinating video. The mod tank sounds like every modern reissue fender reverb, that is not very springy or vintage sounding. The vintage tank sounds 100% better imo, exactly how the spring tank should sound. Bright, clangy.... surfy 🏄‍♂

    • @UncleDoug
      @UncleDoug  10 місяців тому

      Thanks for your input, YZG :)

  • @drrobert2120
    @drrobert2120 2 роки тому +3

    Excellent video ....I prefer 6V6 although the 6K6 was great .The 6V6 was like that extra dash of hot sauce just to spice it up ! Thanks for the continuing education. 👍👍👍🎸🎸🎸

    • @UncleDoug
      @UncleDoug  2 роки тому

      Thanks, Doc. I agree :)

  • @williamwatson8766
    @williamwatson8766 Рік тому

    Another great video, thanks Uncle Doug!

    • @UncleDoug
      @UncleDoug  Рік тому

      Glad you enjoyed it, William :)

  • @rickbaker4571
    @rickbaker4571 2 роки тому

    Thanks for bringing us along UD... hard to find the Dukes Originals (at least for me, here in SC). Enjoy! Great unit, and the aftermarket Fox units of the "similar" nature are great reverbs, as well. As for C. S. A. (see UL, only Canadian, back in the day) ...again, thanks!

  • @jaytee8188
    @jaytee8188 2 роки тому

    Woohoo…
    ‘Phenomenal’ MUST be at an even higher than ‘Blockbuster’, an new Uncle Doug video just makes the day even better, thanks Uncle Doug. 👍

    • @UncleDoug
      @UncleDoug  Рік тому +1

      Thanks so much, JT. High praise indeed :)

    • @jaytee8188
      @jaytee8188 Рік тому

      @@UncleDoug Not at all, certainly very well earned and deserved on your part.
      Anything hot rod related in the pipeline?

    • @UncleDoug
      @UncleDoug  Рік тому

      @@jaytee8188 Thanks, JT. It's too hot to do much work on the cars, but I'm hunting for a nice '32 roadster to fix up.

    • @jaytee8188
      @jaytee8188 Рік тому

      @@UncleDoug Yes I guessed that would slow things down a bit. Aren’t you (we) always on the look out for a nice 32 roadster. I hope a good one comes your way in the near future.

    • @UncleDoug
      @UncleDoug  Рік тому +1

      @@jaytee8188 Thanks :)

  • @timluke4039
    @timluke4039 Рік тому

    Hey Doug! I Did it! I Done A TAD-Vibroverb Kit with a DIY Speaker Cap. Without you this would not be happend. Your Speaker-Cap Sieries inspiered me to do it. Its working and Sounds great. In this Forum is a Report and Pictures!
    Thank you for your Help! Your Biasing Videos are great. Greatings from Germany

    • @UncleDoug
      @UncleDoug  Рік тому

      That's great news, Tim. Congratulations on a very successful project.......one of many, I'm sure :)

  • @davidsigglekow1349
    @davidsigglekow1349 Рік тому

    Outstanding work as usual sir!

  • @matambale
    @matambale 2 роки тому +2

    Note to viewers - be SURE to check out Uncle Doug's series on Tube Reverb (especially "Tube Reverb, Part 2: Transducers, Tanks, Tone, and Signal Mixing")

  • @jasonaustin3270
    @jasonaustin3270 2 роки тому

    Man what a day. Love your videos sir

    • @UncleDoug
      @UncleDoug  Рік тому +1

      Glad to hear it, Jason :)

  • @ralphj4012
    @ralphj4012 2 роки тому +2

    Educational and entertaining (especially the cabinet tilts, I await the ebay listing). I believe CSA is Canadian Standards Association.

    • @UncleDoug
      @UncleDoug  2 роки тому

      Glad you enjoyed it, Ralph.

    • @brucepickess8097
      @brucepickess8097 2 роки тому +1

      Yes it is the Canadian Standards Association. Safety testing authority. Similar to UL and BSI etc.

  • @cowasakiElectronics
    @cowasakiElectronics Рік тому

    Wow that reverb unit is stunning, museum quality! The last Fender valve amp across by bench for repair was a 1978 twin reverb. It was the polar opposite! Some rotten wood, rusty chassis, damp board which was conducting, all pots seized, all sockets rusty and knackered, two tubes had broken centre pins, all pre amp tubes are a little soft then the usual service items with several carbon resistors failed, new power caps needed etc. It wasn’t worth fixing! A shame but I did get the old enclosure and chassis to build a highly modded deluxe reverb.

    • @UncleDoug
      @UncleDoug  Рік тому +1

      Thanks, CE. That sounds like some of the Silvertone amps I received several years ago.

  • @jamesbruno5896
    @jamesbruno5896 2 роки тому

    Lordy lordy lordy that is just immaculate! Thanks my favorite Uncle!

  • @mikkabrightheart2268
    @mikkabrightheart2268 2 роки тому

    Sometimes I watch your videos while I'm working on stuff bc it helps me not get frustrated... Bc you keep a pretty level head even when the stuff you're working on seems difficult
    I may have commented that on a video in the past but I think it bears repeating if I have

    • @UncleDoug
      @UncleDoug  Рік тому

      Thanks, Mikka. There is some growling and cursing......off camera :)

  • @tomw9875
    @tomw9875 2 роки тому

    Thanks Uncle Doug; what a beauty!

    • @UncleDoug
      @UncleDoug  2 роки тому +1

      Glad you enjoyed it, Tom.

  • @MichaelSmith-rn1qw
    @MichaelSmith-rn1qw Рік тому +1

    Great to see another Uncle Doug video! With respect to the transformer codes, 606 is the EIA code for Woodward-Schumacher, and 5 - 13 would indicate the 13th week of 1965.

    • @UncleDoug
      @UncleDoug  Рік тому +1

      Thanks for the info, Michael.

  • @thenameless3271
    @thenameless3271 2 роки тому +1

    Breaking news: StewMac to introduce new patent-pending 6G15 cabinet tilts
    Love the videos and wisdom Uncle Doug!

    • @UncleDoug
      @UncleDoug  Рік тому

      Those patent-infringing dogs !!! Thanks, TN :)

  • @mauricerogerson5825
    @mauricerogerson5825 Рік тому +1

    Hey Uncle Doug! You must have spent some time practicing because I noticed your chops are greatly improved. Thanks for the in depth education on the inner workings of Fender reverb units. I had one back in the late 1960s that was tan and orange colored, that came with the tweed Tremolux my mom bought for me. It stopped reverbing, too, so I asked my friend to look at it and see if he could fix it, but never saw it again (sigh). After that, I traded the Tremolux in on a Gibson solid state 100W head. If only I'd known then what I know now.

    • @UncleDoug
      @UncleDoug  Рік тому +1

      All praise goes to Ollie & Jack, Maurice. So glad the videos are helpful. We've all made mistakes with vintage gear......but the two you mentioned might be near the top of the list ;)

  • @arthurvandelay7677
    @arthurvandelay7677 Рік тому +1

    I can't believe you don't have a set of dental picks in your toolbox, Uncle.They're great for things like those little springs in the tank. Another great video, thanks!
    Also - the 6V6 output is too hot.

    • @UncleDoug
      @UncleDoug  Рік тому +1

      Thanks for your input, Art.

  • @bluemule3891
    @bluemule3891 2 роки тому

    Big D, another gem, thanks and may all your tubes be marked Leslie 🤣
    C-3 & 147, the kings of rock
    Blue Mule

  • @soundcityec
    @soundcityec Рік тому

    Hello Uncle Doug! I love your videos. I used your princeton video where you add a bias pot and did it myself on my amp, I even add the metal bracket =) Thanks a lot!

    • @UncleDoug
      @UncleDoug  Рік тому +1

      Greetings, Daniel. I'm glad the video was helpful :)

  • @doctorwacky5680
    @doctorwacky5680 2 роки тому

    Uncle Dug, this was awesome. Thought you might be interested, back in the day I had a Heathkit P816 and it had an awesome tank in it, was at a ham swap meet one day and found this exact tank that you repaired in the fender reverb. So I had two tanks in my amp and could switch between the two, I preferred the original one that came with the Heathkit but the other one was more bouncy definitely gave you that surf sound

    • @UncleDoug
      @UncleDoug  Рік тому

      Thanks for sharing, Doc :)

  • @ant1sokolow
    @ant1sokolow Рік тому

    This 6G15 is looking so much like new. In any other channel than Uncle Doug i would have thought of it being fake or rebuild/recabinet.. But the vintage amps Maharishi Doug said it's legit, so it can be taken for granted. After the now almost classic cap re-stuffing , we have this time the reverb tank transductor sub... I think it's even more difficult and nerve raking than stated. Another masterful and tasty repair, and educational video.
    I tend to prefer the 6V6 'overengined' version. I like that drippy, surf style fulsome reverb sounds. That's the use for such a bulky box ... I can't see the point of having that behemoth just for a nice subdued reverb.
    Nice to see you again Doug. Hasta la vista. Stay cool , a la sombra.

    • @UncleDoug
      @UncleDoug  Рік тому

      Thanks for all the very nice, supportive comments, Ant. I'm really glad you enjoyed the video :)

  • @BijuKumar-kj7qr
    @BijuKumar-kj7qr Рік тому

    Master of Teaching , Thank you Sir

  • @courier11sec
    @courier11sec Рік тому

    Absolutely unreal the condition of this machine.
    Wow!

    • @UncleDoug
      @UncleDoug  Рік тому +1

      Agreed, CS. It was a gem.

  • @graxjpg
    @graxjpg 2 роки тому

    Oooh what a treat. Thanks so much, unc.

  • @TCoulby
    @TCoulby Рік тому

    Great video as always Uncle Doug! As a Canadian, I am used to seeing CSA stamped on electrical devices. From the web: {"CSA" is the Canadian Standards Association, and is a testing service akin to UL in the U.S.} Hope this helps...

  • @GabrielVelasco
    @GabrielVelasco 2 роки тому +1

    Wow! Definitely the ultimate spring reverb. Digital spring reverbs are coming close, but they just don't have the same feel and responsiveness.

    • @UncleDoug
      @UncleDoug  Рік тому

      Agreed, Gabe. Thanks :)

    • @jutukka
      @jutukka Рік тому +2

      That's absolutely true. During this unfortunate covid time I have built and modded several spring reverb featured vintage and modern amps and compared several vintage and modern reverb tanks and as well compared them all with all sorts of digital effects and computer plug-ins.
      Vintage amps and reverb tanks still are the best and most natural choice IMHO. I don't know how long, but for example a real tube amp always sounds like a tube amp because it, bloody hell, is a f-ing tube amp and not an emulator, if it is even close to decent condition. And a spring reverb tank in good condition usually always sounds like a spring reverb tank because it is a reverb tank, not a plug-in.

    • @GabrielVelasco
      @GabrielVelasco Рік тому +2

      @@jutukka Yes. And the thing that's difficult to explain to non players or players who have little or no experience with tubes and springs is the "feel" or "responsiveness." If you go purely by the sound in a mix, you might be tricked, but sometimes the most important thing about a real analogue is how it responds to your playing, how it responds to being played soft or loud, or with a quick attack, or with single-coils vs. humbuckers. A good player can learn to control the amount of distortion or "boing" by how hard he plays, or which pickup he selects, or the volume control on his guitar. Some true spring reverb tanks can be overdriven just like the front end of a tube amp and a good player can learn how to "play" those things in real time. That feel, responsiveness, and feedback still can't be emulated very well. I'm talking about the communication you're getting from the amp, not the "howling" feedback, although that's important too.

    • @UncleDoug
      @UncleDoug  Рік тому +1

      @@jutukka Well said, Jutukka :)

    • @highpath4776
      @highpath4776 Рік тому

      @@jutukka Looks like from another comment washing old springs in a bit of dish wash liquid gets off dust (and greases from atmosphere) which allows the metal to move again with less hindrance and become tighter