1973 Marantz Amp, Pre-Amp, Tuner, and Teac Equalizer System

Description

All items are used but still fully functional. Does not include antenna or rca/speaker cables. Vintage 1973 with wooden enclosures. Show some signs of use. See specifications below.
Marantz Model 250Amp: Power Output (Contiuous Power at 8 Ω, at or below rated distortion 20 Hz to 20 kHz. Both channels driven at rated distortion): 250 Watts (125 Watts/channel)
IM Distortion (At or below rated power, any combination of two frequencies between 20 Hz to 20 kHz, both channel driven): 0,1%
Total Harmonic Distortion (At or below rated power, any frequency from 20hz to 20 kHz, both channels driven): 0,1%
Frequency Response: 20 Hz to 20 kHz (±0,1 dB)
Power Bandwidth (IHF, both channel driven): 7 Hz to 60 kHz
Input Sensitivity/Impedance (Nominal): 1,5 V / 100 k Ω
Damping Factor: 100
Total Noise (into 8 Ω): better than 106 dB below rated output
Power requirements: 120 V AC, 500 W, 50/60 Hz
Dimensions (W x H x D): 15-3/8" x 6-1/8" x 9-1/2"
Marantz Model 3300 Pre-amp: Frequency response: 6Hz to 80kHz
Total harmonic distortion: 0.02%
Gain: 20.8dB (line)
Channel separation: 40dB (line)
Output: 3V (Pre out)
Dimensions: 15-3/8 x 5-3/4 x 10-1/2 inches
Weight: 14lbs
Year: 1973
Marantz Model 112 Mono/Stereo Tuner:
Tuning Bands: FM, MW
Tuning Scale: Digital
FM Tuning Range: 88 to 108 MHz
MW Tuning Range: 535 to 1605 kHz
Sensitivity: 2.0uV (FM), 20uV (MW)
Signal to Noise Ratio: 60dB (FM), 50dB (MW)
Distortion: 0.3% (FM), 1% (MW)
Selectivity: 60dB (FM), 26dB (MW)
Frequency response: 50Hz to 15kHz (FM), 50Hz to 2.5kHz (MW)
Dimensions: 14-11/64 x 4-23/32 x 11-1/32 inches
Teac EQA-10 Dual 10 Band Home Theater Graphic Equalizer With Spectrum Display:
Input Sensitivity: 320mV
Frequency response: 5Hz to 100kHz
Signal to Noise Ratio: 80dB
Total harmonic distortion: 0.03%
Control Range: ± 12dB
Frequency Bands: 30, 60, 120, 250, 500, 1K, 2K, 4K, 8K, 16KHz
Dimensions: 415 x 58 x 180mm