Sony 1983
Betamax SL-C40

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Video recording system
Rotary two-head helical scanning
Video Signal
CCIR standards, PAL colour
Aerial input
75-ohm, asymmetrical aerial socket
Channel coverage
VHF: Western European channels E2-E12
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


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 43dB ( BNR on )

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 jacks
47 kilohms, -10 dBs
(0 d Bs = 0.775 V rms)
Audio outputs
AUDIO OUT: Phono jacks
Load impedance less than 10 kilohms
-10 dBs with 47 kilohms load,
Audio/Video output
AV:6-pin DIN connector

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)


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


Power requirements
240v AC, 50-60 Hz
Power consumption
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
Approx. 10 kg (22 lbs 1 oz) net