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 Post subject: 7025 WA tubes in TA-30
PostPosted: Thu Feb 16, 2017 2:45 pm 
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Bottle Rocket

Joined: Sun Sep 25, 2016 10:07 am
Posts: 1
Two of my friends are using 7025 WA tubes in their amps instead of 12AX7's. I'd like to try some in my TA-30 but wondering if I need to change all six or just V1, V2, and V3? I'm looking for a little warmer, fuller sound from the Vox and the Tweed voices. Currently all six preamp tubes are Mesa.


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PostPosted: Thu Feb 16, 2017 2:55 pm 
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Mark IV
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Joined: Wed Sep 08, 2010 4:12 pm
Posts: 606
Location: Petaluma, California
7025's were a low noise 12AX7, however later the 12AX7-A was introduced with the same low noise construction - deeming the 7025 designation obsolete.

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