Friends
I found a type 36 tetrode and built the above circuit to test it as a preamplifier. However, I observed that from 20Hz to 15KHz the circuit provides 35Vpp at the output, but this voltage goes down to 27Vpp at 20KHz.
What can cause this loss of gain? The capacitances on the tube look ok.
Thanks
Aldovan
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Topic - Questions about tetrodes for specialists - Aldovan 12:22:29 12/01/16 (7)
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- RE: Questions about tetrodes for specialists - tubular.well 13:49:49 12/02/16 (0)
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- RE: Questions about tetrodes for specialists - Aldovan 14:23:28 12/01/16 (1)
- RE: Questions about tetrodes for specialists - Aldovan 14:24:23 12/01/16 (0)