Three Texas Instruments opamp evaluation boards: OPA1622, OPA1688, and TPA6120 Got these in a lot of parts, they are in original bags, open and untested. There is another 1622 board marked bad which I will include if you want it. $25 for all three (or four) + shipping.
One dozen assorted audio meters. Mostly VU, a couple dB, and an "Aural Deviation" meter. All tested and movements respond - some are ac, some dc, some have rectification included, all work. HOLD
One dozen assorted audio meters. Mostly VU, a couple dB, and an "Aural Deviation" meter. All tested and movements respond - some are ac, some dc, some have rectification included, all work. HOLD
