Marantz Model 300dc Amplifier

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Front View EBay Auction #103594707 Date: May 13th, 1999 Rear View EBay Auction #103594707 Date: May 13th, 1999 Manual! EBay Auction #513097297 Date: November 29th, 2000

General Description Full complementary output, zero phase shift, DC. Rarity X-Rare Retail Price 630 Designed in USA Manufactured In Japan First Year 1978 Last Year 1980 Matching Preamplifiers 3250,3250b,3650 Matching Tuners 2100,2110,2120,2130 Rack Mount Optional Wood Case WC-110 Silver Face Yes, Extruded Style Channels Two Tube Design None Speaker Connections One Set AC Switch Yes Switched AC Outlets None Unswitched AC Outlets Two Power Source Details Dual secondary, non-toroidal Power Consumption 560 watts, 90 @ idle Independent Power Supplies Secondary only

Physical Width 16-3/8 Height 5-3/4 Depth 12-1/2 Weight 44 Lbs (20 kilos)

Amplifier RMS Power Per Channel 152 @ 8, 190 Watts @ 4 Damping Factor @ Load Impedance 60, 8 Ohms, 20 Hz Total Harmonic Distortion (THD) 0.03% (8 Ohms), 0.05% (4 ohms), both @ full power Power Bandwidth 20 Hz to 20 kHz Frequency Response +0 dB, -1 dB, 5 Hz-60KHz Hum and Noise Unrated Signal to Noise Ratio 110 dB Intermodulation Distortion (IM) 0.03% @ 8 Ohms, 0.09% @ 4 ohms both @ full power Input Impedance 30 k-ohms Input Sensitivity for Full Output 1.5 v for full output Gain Control(s) One Per Channel DC Capable Yes, switchable Meter Range Off, 0 dB, -10 dB, -20 dB Peak Lamp(s) Two Overload Lamp(s) No Output Meter(s) Two 3 and 1/4 inch Cooling Fan(s) No Auxillary Metering none Output Impedance(s) 8 to 4 ohms