The RIAA preamp. The two
double triodes are shared between the channels for a nice and easy layout.
I use 5751 here but 12AX7A/ECC83 works too. It stays within 1 dB from 20 Hz to
20 kHz, a little augmented
at 100 Hz.
The RIAA preamp. The two
double triodes are shared between the channels for a nice and easy layout.
I use 5751 here but 12AX7A/ECC83 works too. It stays within 1 dB from 20 Hz to
20 kHz, a little augmented
at 100 Hz.