• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

6922 Technical info (help)

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Hi everybody..
I'd like to know the output impedance of my tube preamp, using a web calculator, but i need to know Ri and gain of 6922 and for me (newbee) it's still too complicated to measure these values.
Is there anyone that have indicative values about this?
Thanks in advance guys!

Marco
 
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