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Post by kiki90291 on Oct 18, 2014 10:51:06 GMT -7
Getting some crackling sounds from my Prescription Jr. There's a really short clip here: www.reverbnation.com/control_room/artist/4355145/songs where you can hear it. It get's louder when I hit the boost, so I'm thinking it's a preamp tube - maybe the PI? Any other possibilities or should I start with tubes?
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Post by muZician on Oct 18, 2014 11:01:38 GMT -7
Had that once in Marshall. It was one power tube
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Post by simpleton on Oct 18, 2014 11:13:49 GMT -7
Here is Dr Z's trouble shooting guide link
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Post by jesslm02 on Oct 18, 2014 11:20:10 GMT -7
Odds are it's the ef86 or a power tube. The ef86 is actually where the boost is happening as well.
Sent from my Galaxy S4 using Proboards
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