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Delta blues amplifier has a loud buzz . all tubes have been replaced. All knobs have been adjusted to low if any setting. new to amp world please be patient. not sure what problem could be . Thanks

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Capacitors especially Electrolytic are notorius for causing hum etc. It's just a question of which one.

Posted on Sep 11, 2009

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Low volume on my marshall


I am very new here and don't know how to answer a question to a specific problem so I will write about the most common problems that I have had over the decades doing guitar amp repairs. If you find that your amp is extremely low in volume and then suddenly comes back to normal- check out the effects return [or power amp in] jack. Especially in Marshall amps-these corrode and your signal dies. If there is loud noise such as hissing and crackling with no guitar patch cord in the input jack- the input jack is likely at fault. They normally have switching contacts that ground part of the input circuit when the 1/4 inch male plug is disconnected. When this in is corroded or too weak to make normal contact, you can get these symptoms. If your amp is a solid state Marshall or Fender and there is a random buzzing sound with no guitar signal connected- hit the side of the amp and listen for the buzz to go away or become louder-if it does, this usually means that the connections are loose at the two large filter capacitors. In one or more Marshall amps, they use a filter circuit in the low voltage power supple for the preamp tubes. If you encounter a dead Marshall[the model escapes me now] remove the circuit board and resolder the four connections at the bottom of the bridge rectifier. If you have any other amplifier repair questions you can email me direct at computerlen@hotmail.com.

Nov 14, 2011 | Marshall Mg100dfx 100-Watt Combo Guitar...

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Hi there, and thanks in advance for any help you may give. I find my Peavey Delta Blues either EATS valves or the valves come loose, though I haven't moved it so that doesn't seem likely. I put new...


DO NOT run on less than the full set of valves!!! ALSO when replacing the valves with matched pairs used the matched pairs to replace either the inner two or the outer two. If they come loose, the sockets probably have pins that are loose. Sometimes they can be tightened a little using a sharp scribe to bend them gently inward. I would consider installing tube retainers. They are made as a wire springs. Go to this site:

http://www.tubesandmore.com/

Click on "Vacuum tube Accessories"

May 25, 2011 | Peavey Delta Blues 115 30w All Tube Combo...

1 Answer

I installed this delta shower set & water


remove handle and adjust the cold and hot clips one is set to open to much if u still have the paperwork in it will show how to adjust it also

May 05, 2010 | Delta Home

3 Answers

Loud buzzing noise when I turn amp on -won't go away


change the plugs on the chords.or both.they loose their resistance.good luck.

Feb 28, 2010 | Fender Audio Players & Recorders

1 Answer

Volfenhag amp adjustments


Firstly, you will want to set all options to a low pass, so the high frequencies are filtered away from the subs, avoiding damaging the voice coil. Start with the Gain of the amp about 3/4 of the way up, and all other knobs, such as the bass knob to the lowest setting. From there, test your subs for soujnd, and then change the gain and amount of bass for the sound you desire, since each person is different. I have my gain about 1/2 way up and the bass about 1/4 of the way up. If you have a crossover knob, set it to the highest frequency available, since the low pass will filter all the high frequencies out anyway.

Sep 23, 2009 | Volfenhag ZX-5007 Car Audio Amplifier

1 Answer

Amplifiers GT Series GT5-A604 ........explain settings


the amp probably has a x-over knob, a bass boost knob, and an eq knob. the eq is probably an internal crossover switch that will take the output from either high range (tweeters) or full range (6x9s) or low pass (subs) leave it on low pass. the bass boost however, will add distortion if turned up too high. its not noticable in the car, actually it sounds louder in the car but if you open the trunk and listen, you can tell its distorted bass and actually frying your speakers. the x-over knob is used to tune the frequency at which the amp stops pushing out bass tones. if you like rock music loud, turn it up higher, if you like low deep rap bass, turn it lower. keeping it too high might give you bad sound from either type though. ALSO THE GAIN OR LEVEL.IT IS NOT TO MAKE YOUR SUBS LOUDER IT WILL BLOW THEM .the gain is used to set your amp to your head unit which there is a procedure to do it.

Jun 15, 2009 | JBL GT5A604E 4-way Car Amplifier

2 Answers

Chicken head knobs


Yep!
I get alot of amp building supplies at Hoffman Amplifiers.
Follow this link and click on the TUBE AMP PARTS button:
http://www.hoffmanamps.com/

Hope this helps!
-mike

Dec 30, 2008 | Peavey AMPLIFIER, 1000 WPC, DDT, 8/4/2...

2 Answers

Guitar/amplifier 'buzz'


I have two amps .i need to know how to set the knobs on them. to get the best sound out of them .i have a crate and a drive elite.i am a beginner. they are both bass amps. so PLEASE HELP ME

Dec 27, 2007 | Sony Xplod 1200W Class AB Bridgeable 2-Ch....

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