Congrats on your new purchase. Here is some info from Roger Russell's site on your receiver.
MAC 1700. Also, if you google that model you can find copies of the user manual, schematic and service manuals. The Klipsch Hersey's are probably a good match.
Enjoy.
ELECTRICAL: Stereo. Hybrid (Solid state preamp and power amp, tube tuner). 40w/ch into 4 or 8 ohms. Response 20-20kHz (+0.5 -0.5dB). Distortion .25%. Noise and hum: power amp -90dB, aux -75dB, phono -76dB below 10 mV. Damping factor 100. Input impedance: aux 250k, phono 47k, tape head 500k. Input sensitivity: aux 0.3V, phono 2.4mV, tape head 2.4mV. Tone controls: bass and treble. +18 to -18dB. Filter: 60Hz at 12dB/octave and 5kHz at 12dB/octave.
FM SECTION: Sensitivity 2.5uV, S/N 65dB, Distortion 0.8% in stereo, Response 20-20kHz, Capture ratio 2.0dB. Image rejection 60dB, Stereo separation 30dB.
FRONT PANEL: Black and silver. Input selector: aux, tape, fm auto, phono 1, phono 2, tape hd. Balance. Slide switches: mode: stereo or mono, filter: out or in, tape mon: out or in, muting: out or in, loud: out or in, speaker: on or off. Headphone jack. Dual concentric bass and treble controls. Volume with power switch. Tuning knob. Tuning meter. Illuminated tuning dial. Indicator lights: fm mpx, aux, tape, fm, ph 1, ph 2, th, tape mon.
BACK PANEL: Barrier strip speaker terminals, Screw terminals: 300 ohm and 75 ohm antenna. Ground terminal. Inputs: tape mon, aux, ph 1, ph 2, tape hd. Tape out 1. Muting control. AC outlets: 2 switched, 1 unswitched. fuse.
TUBES: 2-6DS4, 2-6HS6, 6AU6A, 6CS6, 6EA8, 12AU7.
Size: 5-1/2"H, 16"W and 14-1/2"D. Weight 34 lb. Sold from 1967-1973. Last retail price $599.00