Search found 2 matches

by TWM
Wed Apr 01, 2015 6:57 pm
Forum: JLM Audio Kits
Topic: AMP HEAD Build Thread
Replies: 87
Views: 109330

Re: AMP HEAD Build Thread

Standard gain is 5.5 (15dB gain). The AMP HEAD input is made to be run by pro level +18dBM balanced outputs which really only need a gain of 2 to 3 to clip. This keeps the noise floor very low. Can be increased by making the two 1k resistors smaller in value. Its perfect, I'm driving it from variou...
by TWM
Mon Mar 30, 2015 9:30 pm
Forum: JLM Audio Kits
Topic: AMP HEAD Build Thread
Replies: 87
Views: 109330

Re: AMP HEAD Build Thread

Hi Joe. I built a couple of these with OPA 2604 running at +/- 24 from a linear PSU The op amps seem to be running really hot, too hot to touch comfortably. Should these be that hot? I don't think they are oscillating out of hearing range but is there a way to check easily? I don't have the schemati...

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