Rwwear is correct, Audio Research PH-2 is 48dB gain, resistor change IS by solder resistors inside case.
No capacitance adjustments.
And agree the sound is clear and clean.
(not as good as my Bryston 1.5, but close)
No capacitance adjustments.
And agree the sound is clear and clean.
(not as good as my Bryston 1.5, but close)