This is AWESOME! Nobody does work like this. Most repair guys will rush and cut corners. If you LOVE your amp, you owe it to yourself to hire Lyle. So glad I did - ZERO regrets!!!!!
Thanks for a wonderful video again. I've actually started a personal index on your videos so I can go back and reference things for later as I continue to learn.
@@retread1083 I have enjoyed electronics since I was a child. The old radio shack kits we used to get as kids. I'm also well versed in Residential electric. Only in the last 5 years have I gone down this Tube Amplifier rabbit hole. For whatever reason, it's just something I'm supposed to do at this point in my life. Can't get enough of it! I am on my second Radio restoration (which I NEVER intended) just fell in my lap. Nonetheless, I enjoy that too. Also worth noting, I'm a guitar player. In and out of bands all my life. I used to take my amps to a tech for "tune ups" With the help of this guy, Uncle Doug, Brad, and a TON of reading and research. I'm confident I can do basic repair and tune ups, myself.
The Sozo and Vishay capacitors both use a polypropylene dielectric and thus are both super linear with voltage change. I would defy any listener to be able to tell the difference between them. You are correct about the 'mojo' of carbon comp resistors, the resistance reduces slightly with an increase in voltage. Your attention to detail is amazing, the amp is looking so much cleaner and tidier.
Desoldering tag strips. I tried using a soldering iron with a chunky bit to melt the solder, then with the other hand a vacuum pump desoldering tool (Chinese knockoff) to mop up the molten solder. Its fast and ok so far. To prevent the vacuum device clogging, keep it pumping for a couple of seconds after the solder has been cleared. I read somewhere that if you cut up a stainless pan scrubber and put it in the glass solder receptacle, that it stops the filter from clogging so quickly. Great videos, I'm learning something new every time.
Braided shielded does NOT give any better shielding. We used a lot of foil shielded cable in controls,. automation and instrumentation work. Any crosstalk or EMI in those wires can result in a very expensive incident. The ground wire in the foil insulated cables was called a "drain". Ground it on "ONE END" and it drains off any unwanted interference. There would be an equipment ground on all of the cabinets and equipment anyway.
Some braided shielded cables are actually much worse for shielding. 20-30 dB worse! Some of it is real junk. That spiral wrap is very complete in it's coverage. The black semicon layer helps with eliminating tribo-electric effects.
Im using the same mogami cable in my amp from my input jack positive to tube grid, the shield side of input to ground by cathode...when amps turned up cables microphonic when tapped, can hear it through speaker. is this normal? I think i need to change it out.....
Installation of Sozo caps will "rune" your vintage amplifier! 🤣. BTW, a fun puzzle for anyone who's ever owned a vinyl copy of the untitled Led Zep album containing Stairway to Heaven: there's an engraved-style inscription in the area of the lead-out grooves. Anyone remember what it reads? (PS, according to the band, that record doesn't actually have a title, even though people refer to it as the "Zofo" album).
If anyone is looking for an even smaller shielded cable, the Mogami 2314 is it. I believe it’s a 4.2mm OD and it’s cheap! $0.38 a foot from the right vendor.
This is AWESOME! Nobody does work like this. Most repair guys will rush and cut corners. If you LOVE your amp, you owe it to yourself to hire Lyle. So glad I did - ZERO regrets!!!!!
Thanks for a wonderful video again. I've actually started a personal index on your videos so I can go back and reference things for later as I continue to learn.
Cheers Lyle!
Just found your channel about a week ago, and I really enjoy it! Very informative!
Welcome to the club. I've been following Lyle for a few months now. Time well spent.
@@retread1083 I have enjoyed electronics since I was a child. The old radio shack kits we used to get as kids. I'm also well versed in Residential electric. Only in the last 5 years have I gone down this Tube Amplifier rabbit hole. For whatever reason, it's just something I'm supposed to do at this point in my life. Can't get enough of it! I am on my second Radio restoration (which I NEVER intended) just fell in my lap. Nonetheless, I enjoy that too.
Also worth noting, I'm a guitar player. In and out of bands all my life. I used to take my amps to a tech for "tune ups"
With the help of this guy, Uncle Doug, Brad, and a TON of reading and research. I'm confident I can do basic repair and tune ups, myself.
The Sozo and Vishay capacitors both use a polypropylene dielectric and thus are both super linear with voltage change. I would defy any listener to be able to tell the difference between them. You are correct about the 'mojo' of carbon comp resistors, the resistance reduces slightly with an increase in voltage. Your attention to detail is amazing, the amp is looking so much cleaner and tidier.
Desoldering tag strips. I tried using a soldering iron with a chunky bit to melt the solder, then with the other hand a vacuum pump desoldering tool (Chinese knockoff) to mop up the molten solder. Its fast and ok so far. To prevent the vacuum device clogging, keep it pumping for a couple of seconds after the solder has been cleared. I read somewhere that if you cut up a stainless pan scrubber
and put it in the glass solder receptacle, that it stops the filter from clogging so quickly. Great videos, I'm learning something new every time.
Braided shielded does NOT give any better shielding. We used a lot of foil shielded cable in controls,. automation and instrumentation work. Any crosstalk or EMI in those wires can result in a very expensive incident. The ground wire in the foil insulated cables was called a "drain". Ground it on "ONE END" and it drains off any unwanted interference. There would be an equipment ground on all of the cabinets and equipment anyway.
Some braided shielded cables are actually much worse for shielding. 20-30 dB worse! Some of it is real junk. That spiral wrap is very complete in it's coverage. The black semicon layer helps with eliminating tribo-electric effects.
Im using the same mogami cable in my amp from my input jack positive to tube grid, the shield side of input to ground by cathode...when amps turned up cables microphonic when tapped, can hear it through speaker. is this normal? I think i need to change it out.....
Installation of Sozo caps will "rune" your vintage amplifier! 🤣. BTW, a fun puzzle for anyone who's ever owned a vinyl copy of the untitled Led Zep album containing Stairway to Heaven: there's an engraved-style inscription in the area of the lead-out grooves. Anyone remember what it reads? (PS, according to the band, that record doesn't actually have a title, even though people refer to it as the "Zofo" album).
Do you ever replace carbon resistors with metal oxide resistors?
I almost never use MOs in the signal path.
@@PsionicAudio Sorry, I was thinking metal film, MOs usually go into power circuits.
If anyone is looking for an even smaller shielded cable, the Mogami 2314 is it. I believe it’s a 4.2mm OD and it’s cheap! $0.38 a foot from the right vendor.
Yeah, I find the conductor too fragile on that wire.
Ahh, the human condition. Well done, my friend.