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Old 01-04-2013, 12:27 PM   #1
Tyler.Allain
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Crackling noise when playing through amp.

Wanted to create a separate thread for this topic.

When playing my amp. Occasionally I get a pop, and crackle sound. That doesn't last long and fades away quickly. It does not affect the amps output. It occurs at random. It isn't a problem with any of my cables, or at least I can't imagine so. No wiggling/moving of the cables I'm using in my set up can recreate the noise....


Words of advice?
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Old 01-04-2013, 12:29 PM   #2
R45VT
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Tap on your tube to see if it can be reproduced. If so you need to clean the connection with some deoxit. Don't spray in e socket, only on the tube pins work the tube in and out a few times.

Is this the DSL?
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Old 01-04-2013, 12:34 PM   #3
Tyler.Allain
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Quote:
Originally Posted by R45VT
Tap on your tube to see if it can be reproduced. If so you need to clean the connection with some deoxit. Don't spray in e socket, only on the tube pins work the tube in and out a few times.

Is this the DSL?


Yes this is my DSL. Deoxit? Never heard of it. Where can I get some?
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Old 01-04-2013, 12:39 PM   #4
Robbgnarly
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Quote:
Originally Posted by Tyler.Allain
Yes this is my DSL. Deoxit? Never heard of it. Where can I get some?

Radioshack or any other electronics store.
You can also order it from most any music store online.

You may have a bad pre-amp tube. I'd sugest buying a few 12ax7's and try them out.

Does this happen on every ch and mode? or is it on 1 specific ch?
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Old 01-04-2013, 12:57 PM   #5
Tyler.Allain
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Quote:
Originally Posted by Robbgnarly
Radioshack or any other electronics store.
You can also order it from most any music store online.

You may have a bad pre-amp tube. I'd sugest buying a few 12ax7's and try them out.

Does this happen on every ch and mode? or is it on 1 specific ch?


It happens on the green (crunch/clean) channel, which is the primary channel that I use. I don't really play the OD1/OD2 channel at all anymore so I haven't noticed if the problem occurs on both channels.
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Old 01-04-2013, 01:02 PM   #6
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It is always nice to have Deoxit or "insert-brand" electrical contact cleaner handy. I use the Radioshack brand cleaner (it works just fine) it is way cheaper and you get about 5x as much as the Deox-it.

I still say it is a very good chance it is a preamp tube, but it is always nice to have a few spares just incase.
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Old 01-04-2013, 01:16 PM   #7
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The best combo I have found with new tubes for the DSL is V1 (new)mullard 12ax7, V2 JJ ecc83, V3 JJecc83 and V4 (new)mullard 12ax7.

I do have in my DSL V1/V2 are NOS Mullard ecc83, V3 NOS Telefunkin ecc83 and V4 NOS JAN-GE 5751 this combo makes my amp sound amazing. But these tubes are ridiculous in price except for the JAN-GE 5751 (~$30)
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Marshall JCM2000 DSL100
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