1984   Chassis-711B2
SL-20 Specifications

(System)
  Video recording system:
  
  Video Signal:
  
  Channel coverage:
  
  
  VHF output signal:
  
  Antenna:
  
Rotary two-head helical scanning
  
EIA standards, NTSC colour
  
VHF channels 2-13
UHF channels 14-83
  
Channel 3 or 4 (selectable) 75-ohms, unbalanced
  
75-ohm external antenna terminal for VHF
300-ohm external antenna terminal for UHF
(Video)
  Input:
  
  
  Output:
  
  
  Signal-to-noise ratio:
VIDEO IN: phono type connector 1.0V (p-p),
75-ohms unbalanced, sync negative
  
VIDEO OUT: phono type connector 1.0V (p-p),
75-ohms unbalanced, sync negative
  
Better than 45dB
(Audio)
  Input:
  
  
  Output:
  
  
  Frequency response:
  
  
  Signal-to-noise ratio:
AUDIO IN: Phono-type connector More than 47k-ohms
-10dBs (0dBs = 0.775 V rms)
  
AUDIO OUT: Phono-type connector Less than 10k-ohms
-10dBs (47K-ohm load), unbalanced
  
ßII: 50Hz to 10KHz
ßIII:50Hz to 9KHz
  
Better than 40dB
(Tape transport)
  Tape speed:
  
  
  
  Maximum recording time:
  
  
  
  Fast forward time:
  
  rewind time:
ßI: 4.0 cm/sec. (playback only)
ßII: 2.0 cm/sec.
ßIII: 1.33 cm/sec.
  
ßII: 3 hours 20 min.
ßIII: 5 hours
(with Sony L-830 cassette)
  
Under 4 min.(L-500)
  
Under 4 min. (L-500)
(Timer)
  Clock:
  
  Time indication:
  
  Timer setting:
Synchronized with the power frequency
  
12-hour cycle
  
Only for recording 6 events/7days
(General)
  Power requirements:
  
  Power consumption:
  
  Operating temperature:
  
  Storage temperature:
  
  Dimensions:
  
  
  
  Weight:
120 V ac ±10%, 50/60Hz ±0.5%
  
39W
  
5°C to 40°C (41°F to 104°F)
  
-20°C to +60°C(-4°F to +140°F)
  
Approx.430x80x365 mm (w/h/d)
17 x 3 1/4 x 14 3/8 inches)
including projecting parts and controls
  
Approx. 8.1kg (17lb 14oz)net



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