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Old 18th April 2012, 07:03 AM   #231
formula 22 is offline formula 22  El Salvador
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Wink Measurement for preamp with 12AX7

Measurement for preamplifier with 12ax7 you have on page 13 post 125
Best regards!
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Old 26th April 2013, 10:36 AM   #232
Gost22 is offline Gost22  Bolivia
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Thumbs up New Line-Stage

Originally Posted by radio View Post
Here they are:
R1=12k, R2=30k, R7=470k, R9=1M, R8=30k R10=100k, R11=2k7, R12=560k,
R13=100k, R14=1M, R15=1k5, R16=100k/o,5W, R17=1k/1W. Out P1=50k/log
all resistors with 1% metal film!!
C1=470nF/63V-MKP, C2=220nF/400V-MKP, C3=5p6/500V-stiroflex, C4=33pF, C5=220nF/400V-MKP
C6=3,3uF/100V-MKP, C7=100uF/350V, C8=100nF/400V.
Hi guys!
For resistor R11 = 1k2 and cap 220uF/16V
Believe excellent sound gives this Line-Stage pre-ampamplifier!!.

Last edited by Gost22; 26th April 2013 at 10:42 AM.
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