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Year of manufacture: 1960-1968
Manufactured by: Marantz America, Inc. 1100 Maplewood Dr Itasca, IL 60143
Price when new (in the USA): $324
Description: power amplifier
Mono/stereo: mono
Power output: 70 Watts RMS (40 watts in triode operation)
Total harmonic distortion: less than 0.1%
Intermodulation Distortion: less than 0.5%
Frequency response: ±0.1dB 20 Hz to 20 KHz and ±1dB 12 Hz to 40 KHz
Hum and noise: 90dB down from 70 watts
Signal to noise ratio: 90dB
Output impedance: 4, 8, 16 plus 1 tap for phantom center channel speaker (when two Model 9 amplifiers are used in stereo)
Damping factor: 20
Tubes: 4 x EL34 (6CA7), 1 x 6CG7, 2 x 6DJ6. Silicon rectifiers in power supply
Dimensions: 15½ wide x 8¼ high x 9½ deep (391 x 210 x 241 mm)
Weight: 63 lbs (28.6 kg)
Power supply: 105-125 VAC, 50-60 cycles 250 watts