2 Channel THAT1512 Mic Preamp with Grayhill 12 step gain knob and Cinemag output transformer

The Goodloomis Special:

2 THAT1512/1646 mic preamplifiers with 48V, and -20dB pad
2 Grayhill 12-step discrete, 1% gain switches
2 Switchable Cinemag CMOQ-3L transformers wired 1:2 (approx +4dB)
1 DCVx3 powers supply unit with ANTEK ac transformer
1 Aluminum Engraved Chassis tabletop version