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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

Retail Price395
Designed inUSA
Manufactured InUSA
First Year1967
Last Year1970
Wood CaseWC-1,WC-2
Blue FaceYes
Tube DesignNo
Chassis GroundBinding Post
AC SwitchYes
Switched AC Outlets5
Unswitched AC Outlets1
Power Consumption9 watts

Weight9 lbs

THD< .05% @ 1v RMS
IMD<.05% @ 3 v RMS
Single Bass AdjustmentYes
Single Treble AdjustmentYes
High Filter9khz, 5khz
Low Filter50hz, 100hz
Channel ReverseYes
Number of Tape MonitorsTwo, 1 FP
Auxillary Input Sourceyes
2nd Auxillary Input Sourceyes
Phono Input Sourceyes
2nd Phono Input Sourceyes
Cartridge Loadold 78, RIAA, old Col LP
Tuner Source Inputyes
Source Television Inputyes
Source Microphone InputYes
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 Monitoryes
Scope Output(s)yes
Center Channel OutputYes, 2
Center Channel Gain ControlYes, 2
Tape EqualizationYes, L/R separate
Headphone Jack(s)yes (600 ohms or more… obsolete)
Hum and Noise100 dB below high level input
Signal to Noise Ratio100 dB
Frequency Response20 Hz to 20 KHz +/- 0.5 dB
Rated Output Level1 v RMS
Maxiimum Output Level3v RMS

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