Hi!
The issue is almost entirely related to tubes. The manufacturer will usually recommend a minimum recommended impedance, and anything more is better.
Stereophile will also test preamps with a variety of loads, and report on the effects,.
Best,
E
The issue is almost entirely related to tubes. The manufacturer will usually recommend a minimum recommended impedance, and anything more is better.
Stereophile will also test preamps with a variety of loads, and report on the effects,.
Best,
E