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Original Message
RE: SUN SV 2A3 stereo SE amp .... MEASUREMENTS
Posted by dave slagle on April 22, 2015 at 13:31:39:
If the circuit is -4dB @ 20Khz and the 12AX7 has a 20uf film Rk, there is no way any additional bypassing will miraculously give you that 4dB back.
Historically, Kondo used a very small bypass cap in the driver for the ongaku to gain back some HF lost by the output but that is doing just the opposite of what you suggest.
dave