Marantz Model 9r Amplifier

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Front View EBay Auction #417583796 Image Attribution: Bill Garrison Date: September 9th, 2000 Top View EBay Auction #417583796 Image Attribution: Bill Garrison Date: September 9th, 2000 Rear View EBay Auction #417583796 Image Attribution: Bill Garrison Date: September 9th, 2000 Front View Image Attribution: Undated Marantz Brochure Date: March 20th, 2000

General Description Amplifier Rarity XXX-Rare Retail Price $324 Designed in USA Manufactured In USA First Year 1960 or 1961 Last Year 1968? Matching Preamplifiers 7 Channels One Tube Design Yes Tube Count 7 Diode Count 6 Speaker Connections One set AC Switch Yes Fusing 3a slow blow, front panel Power Consumption 250 watts Special Option 1 Rack mount option was $30.00

Physical Panel Width 19 Panel Height 8 3/4 Width 15 3/8 Height 8 1/4 Depth 10 1/2 Weight 63 lbs

Amplifier RMS Power Per Channel 70 or 40 in triode operation Damping Factor @ Load Impedance 20 Total Harmonic Distortion (THD) .1% Frequency Response 0.1dB 20 Hz to 20 KHz and 1 dB 12 Hz to 40 KHz Intermodulation Distortion (IM) .5% Gain Control(s) Yes DC Capable No Output Meter(s) Yes Auxillary Metering Yes Output Impedance(s) 4, 16 and 8 ohms