1970s Quad Eight CA-727 Dual Mic Preamp Card QEE 3440-A Transformers CA727 (02)
Modules run off of +/-28V. – For your consideration is this 1970s Quad Eight Model CA-727 dual preamplifier card.
1970s Quad Eight CA-727 Dual Mic Preamp Card QEE 3440-A Transformers CA727 (01)
Modules run off of +/-28V. – For your consideration is this 1970s Quad Eight Model CA-727 dual preamplifier card.