All Questions
Tagged with amplifiers maintenance
12 questions
1
vote
0
answers
32
views
How do I stop hearing a radio station through my Marshall MG15DFX? [duplicate]
I just purchased a used but in good condition Marshall MG15DFX combo amp for practice in my room. Almost immediately I started hearing a local radio station through the amp even when there is no ...
- 11
2
votes
2
answers
224
views
Questions on Guitar Maintenance & New Gear
I am a beginner guitar player, I started playing 9 months ago. I got a second-hand strat copy (the headstock reads Thunder) as my first instrument. I also bought an ultra cheap ($30) amp which does ...
- 163
3
votes
1
answer
347
views
Strange sound on Marshall Valvestate 8010 amp
I have a problem with my old Marshall Valvestate 8010 10 watt guitar amp. When I turn on gain, and turn the gain knob around 50%-100% I get this sound and diodes D1 and D2 blinks according to the ...
- 177
2
votes
2
answers
120
views
Can powered on amp die from changing equipment?
I recently got some pedals and was playing around with them the other night. I had them plugged into a 12-13 year old Fender Frontman 15 (small solid state combo amp). I decided I wanted to change the ...
- 167
3
votes
1
answer
827
views
keeping tube amps in optimal condition
Over the holidays I acquired my first tube amplifier, a VOX VT20X. I'm not really sure whats required to keep a tube amp sounding its best for as long as possible or if they even require special ...
- 379
4
votes
4
answers
5k
views
1 of 4 power tubes went bad; buy a matching quartet or replace the one?
I have a Peavey Windsor running Ruby EL34B-STR's. One of the power tubes went bad.
I can order another Ruby EL34BSTR and re-bias the amp (idk if it has a bias for each tube or not) and I assume it'...
7
votes
8
answers
61k
views
What is causing this weird distortion coming from my amp?
Here is the sound I'm talking about.
I get this sound, unless I strum ridiculously lightly, on different amp volume settings, with no gain, but is seems to become quieter if I turn pick volume knobs ...
- 263
13
votes
7
answers
9k
views
Is it okay to sit on guitar combo amplifier?
I just bought a 1x10" Marshall combo guitar amp, and I've read in articles that many guitarists sit on their amps.
Is it okay to sit on it? Is there any chance of breaking it as a result?
- 4,157
3
votes
3
answers
276
views
Bass guitar amp power socket issues
I have a rather unusual question. I have a Fender Affinity Jazz Bass starter kit and it comes with a 15W amp - "Rumble 15 Bass Combo Amp".
I also have a cat in the house, and every time I don't cover ...
- 319
23
votes
4
answers
4k
views
When should I be concerned about calibrating the bias of vacuum tubes in an amplifier?
I think it would be useful to discuss the concept of bias as it pertains to guitar amplifiers. I have read some articles saying that you should always rebias your amplifier when you change the power ...
- 11.6k
33
votes
7
answers
133k
views
How do I know when it's time to change a tube on my amplifier?
I think this would be a wonderfully instructive question to people who are new to tube amplifiers. In short, how do I know that it's time to change a tube, and what's a good strategy for figuring out ...
- 11.6k