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Old 25th April 2004, 06:46 AM   #1
diyAudio Member
Join Date: Nov 2002
Location: Athens, Greece
Thumbs up Suggestions please..

Good day to everybody. Im building a preamplifier based on the 6sn7 tube and Im wondering which 6sn7's (BRAND/TYPE) sould I use. Any suggestions?
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Old 25th April 2004, 11:59 AM   #2
ALBQ is offline ALBQ  United States
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Join Date: Dec 2003
Location: Albuquerque
Default 6SN7

When it comes to 6SN7s, the skys the limit on what you can spend. Off the top of my head, a few suggestions (your milage may vary):

Not recommend - new chinese, soviet, GE coin base
Inexpensive pretty good (nos) - rca grey glass, rca, sylvania, GE
Moderate very good - nos Tungsol, National Union
Expensive superb (nos) - Black Glass Tungsol, Black Glass National Union, Raytheon

Be careful when buying online - agree that most of the older tubes sound better but, prices for old 5692, VT-231 military designation and CV1988 european types is totally out of control

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