Hot Rod Deluxe loud noise when knock or tap on it

[simonflower]

Hello everyone, I’m Simon and I’m new here so I apologise if I do something “wrong”...
I just bought a Hot rod deluxe and it make a very loud noise...

[LastLS1]

Hi, everyone. I’m looking for some help debugging this amp and you guys were so helpful last time, I thought I'd bug you again. I’m using this project...

[merrthad1]

Hello there! I am getting pre-amp distortion/volume abnormalities (maybe some phasing issues) still after replacing the tube twice with two different new...

[tpawlowskis]

Hey everyone, first let me start by introducing myself. I'm Tyler and this is going to be my first post.

I have come to you all because the...

[Rubbersalt]

Couple of days ago, I was playing my silvertone, everything was fine. Took it home, then brought it back to my buddy's house yesterday to play it again....

[wvjazzbass]

Hello friends,
I have an SWR workingpro 2x10c solid state combo amp. When running a signal into the standard input with all pots set at 12 o clock,...

[yescaster]

I have an ampeg a-6 chorus in mint cosmetic condition.

A very unabused pedal.

The effect does not come on when switched (led...

[salperta]

Hi.
I have a fender bassman reissue, and it is outputting only the tinyest bit of volume. I found that the two power tubes had blown resistors, so...

[backporchcustoms]

when i turn on my b52, all the leds and all the tubes light up, but i get no sound. however, when i switch from solid state to tube a or tube ab, i hear a...

[Mr. Mügatu]

I have an early 70's silverface v4-b head that, when I was playing it last week at practice, ran into some problems. Just so you can get an idea of my setup,...

[brotherb]

i'm troubleshooting a 7-8 year old gibson sg. the problem i'm having is the guitar is not working in the treble position. the volume pot for that position...