Direct Drive Player SL-7D

Denon (Marke / brand)

Data
Forum
Pictures
Collections

  • Year
  • 1980 ?
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 313630

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Record Player (not changer); Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 110-120; 200-220; 230-240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Direct Drive Player SL-7D - Denon Marke / brand
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 484 x 163 x 405 mm / 19.1 x 6.4 x 15.9 inch
  • Notes

  • A direct-drive 2 speed manual hi-fi stereo turntable complete with an S shaped tonearm with anti-skate and arm lifter, housed in a wooden plinth. Optional Denon JM17 MM cartridge. With strobe and speed control.

    Specification
    Type:                  Direct-Drive Servo Controlled Stereo Record Player System
    Drive System:     Direct-coupled motor
    Speeds:             33-1/3 r.p.m. and 45 r.p.m.
    Speed Control:    Servo system through AC voltage regulation
    Speed Selection: Push button electrically switched
    Fine Speed Adjustment:  
                             Independent for both 33-1/3 and 45 r.p.m. rotary type controls equipped.
    Motor:                6-pole outer roter, condenser starting type
    Platter:               Aluminum alloy diecast, 13-25/64" (338 m/m)
                             diameter with strobo scope patterns.
    Wow & Flutter:   Less than 0.04% (WRMS) at 33-1/3 r.p.m.
    S/N Ratio:         Over 60 dB.

    Tonearm Section
    Type:                 Static balanced, S-shaped pipe arm equipped with
                            anti-skate and oil damped arm lifter system.
    Eff. Arm Length: 9-1/4" (235 m/m)
    Overhang:          35/64" (14 m/m)
    Offset Angle:      21 degrees.
    Stylus Pressure Adjustable  Range:
                            0 to 3 gm. (0.1 gm. step)
    Cartridge Weight  Range:
                           4.5 to 10.5 gm.

    Power Requirements
    115V (110-120V); 210V (200-220V); 235V (230-240V) AC 50/60Hz with voltage selector
    Consumption    17W

  • Net weight (2.2 lb = 1 kg)
  • 9 kg / 19 lb 13.2 oz (19.824 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Operation Instructions Model SL-7D Stereo Record Player Sysyem)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum