Marantz Model 7t Preamp

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Front View Said to be a prototype with extern socket for phono transistor. Unconfirmed. EBay Auction #1378096022 Image Attribution: Ebay seller electricnorman Date: September 8th, 2002 Front view with goodies! EBay Auction #276476385 Date: March 8th, 2000 Front view, with case EBay Auction #1221509868 Date: March 13th, 2001 Rear View EBay Auction #126108474 Date: July 3rd, 1999 Top Interior View EBay Auction #1210997263 Date: January 28th, 2001 Warning not to swap semiconductors EBay Auction #1221509868 Date: March 13th, 2001 User Manual EBay Auction #1208271461 Date: January 16th, 2001

General Retail Price 395 Designed in USA Manufactured In USA First Year 1967 Last Year 1970 Wood Case WC-1,WC-2 Blue Face Yes Tube Design No Chassis Ground Binding Post AC Switch Yes Switched AC Outlets 5 Unswitched AC Outlets 1 Power Consumption 9 watts

Physical Weight 9 lbs

Preamplifier THD < .05% @ 1v RMS IMD <.05% @ 3 v RMS Single Bass Adjustment Yes Single Treble Adjustment Yes High Filter 9khz, 5khz Low Filter 50hz, 100hz Mono L,R,L+R Channel Reverse Yes Number of Tape Monitors Two, 1 FP Auxillary Input Source yes 2nd Auxillary Input Source yes Phono Input Source yes 2nd Phono Input Source yes Cartridge Load old 78, RIAA, old Col LP Tuner Source Input yes Source Television Input yes Source Microphone Input Yes Source Tape Input (as opposed to a tape monitor) Yes (tape head) 2nd Source Tape input (as opposed to a tape monitor) yes (front panel) Tape Monitor yes Scope Output(s) yes Center Channel Output Yes, 2 Center Channel Gain Control Yes, 2 Tape Equalization Yes, L/R separate Headphone Jack(s) yes (600 ohms or more… obsolete) Hum and Noise 100 dB below high level input Signal to Noise Ratio 100 dB Frequency Response 20 Hz to 20 KHz +/- 0.5 dB Rated Output Level 1 v RMS Maxiimum Output Level 3v RMS