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Guitars, Gear, Tone!
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PostPosted: Thu, Feb 09, 2017 9:02pm 
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Apprentice NOOB

Joined: Sun, Oct 17, 2010 5:54pm
Posts: 50
Since I bought it my Hagen has always made a quiet wind sound when it is out of standby.

Since last night at practice it is really loud.

Here are some things I have tried.

1. Changed the first 2 tubes with high grade JJ 12AX7
2. Swapped power tubes with tested and matched JJ KT77.
3. Unplugged all my pedals. Running amp dry.
4. Unplugged guitar from amp. No change.

Here is an audio clip. It sounds like a loud wind.
http://www.sumerideas.com/files/ampnoise.mp3

Any thoughts? I think I am going to get a remaining replacement set for the rest of the preamp tubes.


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PostPosted: Fri, Feb 10, 2017 3:02am 
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Diezel Amplification
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Joined: Sun, Jul 02, 2006 5:43am
Posts: 4690
service (at) diezelamplification (dot) com


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PostPosted: Fri, Feb 10, 2017 6:17am 
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Apprentice NOOB

Joined: Sun, Oct 17, 2010 5:54pm
Posts: 50
Looks to be a power tube issue.

Donnie


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PostPosted: Fri, Feb 10, 2017 11:41am 
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Diezel Amplification
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What I said


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