SL-C20
1983
Betamax SL-C20



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Specifications

System

Video recording system
Rotary two-head helical scanning
Video Signal
CCIR standards, PAL colour
Aerial input
75-ohm, asymmetrical aerial socket
Channel coverage
UHF: Western European channels
E21 - E68
(Up to 12 programmes can be preset.)
RF output signal
UHF channels E30 to E39 (variable)
75 ohms, unbalanced

Video

Horizontal resolution
260 lines
B/W:300 lines
Video S/N
Colour: Better than 40dB
B/W: Better than 43dB
Audio frequency response
50Hz to 10,000Hz
Audio S/N
Better than 40dB

Inputs and outputs

Video input
VIDEO IN: BNC connector
1.0 V (p-p)
75 ohms, unbalanced,
sync negative
Video output
VIDEO OUT: BNC connector
1.0 V (p-p)
75Ohms, unbalanced,
sync negative
Audio inputs
AUDIO IN: phono jack
47 kilohms, -10 dBs
(0 d Bs = 0.775 V rms)
Audio outputs
AUDIO OUT: Phono jack
Load impedance less than 10 kilohms
-10 dBs with 47 kilohms load,
unbalanced

Tape transport

Tape speed 18.73 mm/sec.
Maximum recording time
2 hours 10 min. (with Sony L-500 cassette)
3 hours 15 min. (with L-750)
Fast forward/rewind time
Within 5 min. (with L-500)

Timer

Clock
Crystal lock
Time indication
24-hour cycle
Timer setting Only for recording
1 events/week, adjustable for any day or
for all 7 days of the week or for every week
Power back-up
3 mins at any one time

General

Power requirements
240v AC, 50-60 Hz
Power consumption
38W
Dimensions
Approx. 430 x 105 x 360 mm (w/h/d)
(17 x 4 1/4 x 14 1/4 inches)
including projecting parts and controls
Weight
Approx. 10 kg (22 lbs 1 oz) net

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