Questions & Answers for: tube brown Music

problems with amp switch i have just bought and amplifier but the front switch is faulty. there are 4 wires going into the switch: brown and blue from the mains and red and black going to the ...

...The amp is never moved around gigging. Always in the same place. Hot Rod DeVille "212" Are the tubes bad? Do they light up? Check the tubes and install replacements if necessary. If it's a

...tube socket board are not brown. Those resistors usually need to be changed to bigger ones 1/2W. this guy made a good document about this fix: ...

I have a Marshall TSL 601. I recently re-tubed my the amp with new Tung Sol tubes and biased per factory specs. With the new tubes installed in both the preamp (12AX7/ECC83's in V1, V2, V3, and V4) ...

My Epi valve jr v3 burns up jj el84 tubes, but the solvteks work fine...is it the amp or the tubes? Check the bias on the tubes! Some brands can run with bias set wrong. Also some amps have 4 output ...

the output is very low and distorted The problem is very likely a blown tube. You may be able to see which tube is dead by looking in the back of the amp with the room lights turned low and the amp on

On the Marshall 5 button footswitch for the TSL, there are 7 wires in the cable, 6 of which are clearly labeled by color on the circuit board in the footswitch. The brown must be combined with another

...tube thinking that was the prob... but it still persists brown outs are usually power supply issues I don'y have schematic but i would check tube in ps in the old days we would look for leaking ...

...mentioned below Output transformer could have blown. I'm not familiar with that model but if it's tube, look at the power tube Or tubes. A blown tube may look blackish. These are the bigger tubes

PEAVEY XR 1600D Powered Mixer Desk, POWER CORD REPAIR. I need the wiring sequence or schematic for the power cord plug end. Colors are Blue Brown and yellow w green stripe That is standard UK wiring. ...