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The absolutely worst instruction video on youtube. Don't quit your day job!

I have one of these Ampeg amps and the buzzing is coming from the tweeter. Was yours buzzing from the speaker?

I was under the impression that we should not be touching the tubes with our bear hand, the oils could cause issues on the glass.

Spent hours trying to figure out what was causing this problem. Came across this video, barely turned the bias pot and BAM its fixed. Thank you sir!

Just to get this right, you’re using a 100k concentric pot also to substitute R9 which is supposed to be a 10k. Am I missing something, can you explain thanks

Mine were rusted in place. Would not budge. I mounted the wheel directly to the hub, then used a five pound Harbor Freight dead blow hammer (orange plastic) to pound on the outer edge of the wheel. This provided enough leverage to free the hub. The backing plates for the drum brakes were rusted to the hub as well, so I had to tap on it to free it from the hub. Remember to free the sensor cable from the cable guides so it has slack and doesn't get damaged when the hub is pulled out. (2016 Fit LX with 406K miles.)

Hola, estoy reparando uno igual se escucha como ronco y se calienta la R28 de 3 ohms y las otras 2 resistencias de 330 ohms también. Será que deba ajustar el preset AP1?

Thanks for a really useful and no-nonsense lesson on what needs to be done to fix this pedal. I was almost going to get rid of mine until I found your video. The volume drop was what really made me hate this pedal, but once I added to HiFi mod, I realized just how much the original pedal messed with the tone. Now, the pedal keeps exactly the same tone and volume level, it just adds tremolo. Like it should have in the first place.

Thank you thank you thank you!!!!

DO NOT DO THIS!!! this guy is just measuring the DC Resistance, not the actual impedence. There is no way to covert 4 8 ohm speakers to a 16 ohm impedence. YOU WILL DAMAGE THE OUTPUT TRANSFORMER OF YOUR AMP OVER TIME IF YOU DO THIS!!

I appericate you m8

Do you know the thread diameter of the screw you used to pop out that disk?

Thank you for showing this! I have an Epiphone Amp head (16 ohms) that needs repair, but all I have is 4x10" 8 ohm speaker setup to hook up the head with. I'll try what you showed ib the video.

Can I do this with two 4ohms, to make an 8ohm?

You skipped all the steps that was needed and not in instructions and didn't tell what screw was for what part 😞

Hey, do you remember how you fixed the pushed in jewel light? My Frontman has the same issue and I want to secure it properly

Kinda hard to hear The Sound of the bearing. When you're playing music, I don't know why people have to use music in the background when they're trying to show us how to do something. No offense just a comment

Replace the resistors and elevate the new ones off the board to try to keep them cool.

Thanks. Good idea to try this before considering soldering in a replacement switch.

Super helpful. I have an Ampeg 50 watt combo reissue. Not seeing Ampeg-specific videos, so I’m learning what I can. Thank you for sharing!

Are the front bearings similar removal and installation?

Get yourself some decent cables dude

Is input boost a higher input cap?

You really need more clarity as to which step you are on

Im getting a bad hum from my new rg80 combo single 12. It’s for a light high pitch squill and bad hum. The louder the volume the louder it gets. It only does it when you plug a cable in. Even if guitar isn’t connected yet. No cable it don’t make any sound other than at full throttle you hear a light hiss (normal) unless I have 6 bad cables (not happening)

THank you so much for this tear down. I was so worried about it. Thought my power supply was bad

Thank you

Thank you for this! It helped us build it

can u show all board in hd for my info thx

those 4 screw underneath hold the entire metal casing ?

Thanks for nothing🙈🙈

Thank you so much!

Next time cut the music when you want folks to hear something...better yet no music at all it is just a distraction.

When I check my resistors do I have the board plugged in.

So was this a good purchase?? Im looking to buy a lawn swing currently.

Wait, can you actually put non-polarized film caps in place of the og electrolytics?

My hub assembly is stuck even after removing the screws!

the footswitch setup is unorthodox. it's simple. Both channels red and green are on with footswitch plugged in. The middle pins are ground on the 6 pin. connect ground to the top and bottom on one side and you will get an led to light, and mute the opposite channel. So one side selects the green led and mutes the red channel, where the other selects the red led and mutes the green channel.

Any other way to get it off without those screws?

You just popped yours out and mine will not budge 😭😭

Pretty sure those tubes are rated for 30 watt … so it would be about 43 mA per tube for 70%. 30/488 * 0.7 * 1000 = 43 mA

I have a RG-80 112 that I bought used. It had an annoying hum that made it unplayable. I plugged a short cord from the sent to the return loop jacks on back and it was totally quiet. Cleaning the jacks or just plugging a cord in a few times might solve some of the issues people are having.

I have the same problem with my Randall rg100es a lot of hummmm

Thanks a lot friend! That was the reason why my combo played like $h!t. Now it works perfectly again, thanks to your advice!

I've got an old TR2 and love it. What does the upgrade of the capacitors change? Does it still sound like a vintage tremolo? Any video to compare? Thanks!

2:17 you were checking the transistor, with amp power on?

"That don't sound good " you had music playing in the background!

How did this hold up?

Looking at the comments on this video, seems like you need to remove the video. Seems like it has been pretty clearly pointed out that this is not 4 8 ohm speakers running at 16 ohms