a tube primer for guitar and bass players - Guitar Amplifier Blueprinting
a tube primer for guitar and bass players - Guitar Amplifier Blueprinting
a tube primer for guitar and bass players - Guitar Amplifier Blueprinting
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DATE TUBE B+ BIAS mA TC (gm) gp Gain Comments<br />
volts volts actual actual<br />
Expected 10.0 5500 60.6<br />
6/26/03 12AT7 JAN NOS 250 -2 12.3 6140 0.096 63.96<br />
7.6 4590 0.068 67.50<br />
9.3 5550 0.078 71.15<br />
8.6 5710 0.075 76.13<br />
10.5 5470 0.084 65.12<br />
6.3 4000 0.065 61.54<br />
9.6 4890 0.085 57.53<br />
10.9 5640 0.092 61.30<br />
5.3 3250 0.056 58.04<br />
9.0 5140 0.08 64.25<br />
Output TC Gain<br />
Averages 8.9 5038 64.65
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