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Old 12-20-2012, 05:23 PM   #1
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WholeLottaIzzy's Avatar
Join Date: Apr 2011
Location: In a cave
New Tube Time

A preamp tube has gone in my vintage modern. I was reading up on the jj tubes. Apparently, they balance out the volume difference between the two "ranges". This is a massive turn on for me. However, will I have to have the amp biased as I can changing the brand of tube?
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Old 12-20-2012, 05:31 PM   #2
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Join Date: Feb 2011
Location: NSB, FL
Pre amp tubes do not need to be biased, only power tubes do. I use JJ's in some amps and they are nice. I like the New Mullard 12ax7 better in my marshall than I didi all 4 12ax7's being JJ. I likes V1 JJ, V2/3 Mullard and V4 JJ sounded good.

I have 2 NOS Mullard ecc83's a NOS telefunkin ecc83 and a JAN-GE 5751 in the PI of my DSL 100 right now and it friggin screams. But your looking at $400+ for 4 tubes
2002 PRS CE22
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2009 Epiphone G-400 (SH-4)
Marshall JCM2000 DSL100
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Krank Rev 4x12 (eminence V12)
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Old 12-20-2012, 05:33 PM   #3
Don't even like pedals.
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Join Date: Aug 2008
Location: Sydney
Not on preamp valves.
Originally Posted by SimplyBen
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