AP-1800 Preamp/Control Center

Speakers A/B, preamp 1 & 2 out, L & R Bass 250 Hz, Flat & 500 Hz. L & R Treble 5 kHz,
flat & 2.5 kHz. Low & High Filter, cartridge sensitivity-1 mv, 2mv & 4 mv.
A,B & C capacitance setting, overload light. Tape 1 & 2, Adaptor in/out, phono 1 & 2,
phono m.c., Aux 1 & 2, Tuner, -20 & -40 Muting, Loudness dial control(not button),
phones jack, Stereo, L, R, L&R, L-R, Rev. 6 AC outlets.