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The amp runs on 6 AA batteries or 5.7 volts ac adapter. How does that work?

Hello everyone!

I have this 60's fender bassman 50 head. I'm doing some fixing and I found these two cables with black tape on the points. Any idea what I could do with them? Thanks

Hey there,

I'm working on a Laney Aor 100 series 2 I bought for cheap knowing there's an issue. So here it is, the amp cannot get up to loud volumes at all. Go up to maybe 1/2 volume and it refuses to get any louder but the tubes continue to get hotter and hotter. The thing is which is weird is when it's pegged at max it sometimes does this flicker to max volume very quickly and then jumps down back to the lower volume. It is red plating power tube 4. I've got no idea other than the output transformer being bad. Anyone got any experience or any ideas?

I purchased this from the daughter of the original owner who passed away last year. That’s it in my profile picture and also what have to work with. It’s been standing on end in it’s road case for more than a year. The foam is completely deteriorating and I’ve got a lot of cleaning ahead of me.

Hi there,

I cleaned the pots on my Peavey VTX heritage and one of them actually ended up tearing up a gang. I have mesa boogie on the bench and I need to clean its pots but I don't want to ruin them with contact cleaner. Has anyone used Deoxit fader? I'm about to buy some.

I've built several amps (Fender 5f1, Gibson GA 5, Marshall 18 watt TMB, VOX AC15) and I was wondering for all of you who build or repair...what's your go to site to get replacement parts and wiring? Always looking for better stuff to build with.

I have an ac30 c2 from a guy from my town , he asked if i could repair it ,the master volume pot wasn't working I replace it with a 500kohm type A pot from a guitar does it matter if it was a guitar part? i mean the value its the same that the original from the ac30 c2 had, I just had to adapt the legs so they could fit , Also the amp was dropping the volume and cracking a lot i just changed the 4 el84 tubes and it appears the problem was gone but apparently now it has a hum like a 60 hz or 120 hz i noticed it but it thought it was normal until the owner told me that wasn't sounding before, what could that be so when he brings the amp back i could look into , the amp is fro…

I have a Roland Fantom x7 that was working fine, I opened it up to remove a stuck 1/4 inch jack crown from one of its output port and cleaned the keys after.

The keyboard boots up and freezes when it gets to the demo loading screen.

Any ideas on what the issue might be?

Hi all, Just wanted to share some photos of the internals of this rare amp. Owner said it was smoking last time he had it on but it turns out the previous tech had used wire that was too thin and it melted the solder connection after delivering a massive amount of current. Replaced the wire and it works great, this thing is an absolute unit.