Sony 1983
Betamax SL-C34

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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: Australian channels 0-12 including 5A
UHF: Australian channels 28-34, 39-63
UHF: Western European channels E21-E68
(Up to 12 programmes can be preset.)
RF output signal
UHF: Australian channels 0, or 1 selectable
UHF: Western channels E30 to E39 (variable)
75 ohms, unbalanced


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
Horizontal resolution
260 lines
Signal-to-noise ratio
Colour: Better than 40dB
B/W: Better than 43dB


AUDIO IN: phono jack
47 kilohms, -10 dBs
(0 d Bs = 0.775 V rms)
AUDIO OUT: Phono jack
Load impedance less than 10 kilohms
-10 dBs with 47 kilohms load, unbalanced
Frequency response
50Hz to 10kHz
Signal-to-noise ratio
Better than 40dB
Audio distortion
Less than 4% at 400Hz

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
2 events/week, adjustable for any day or
for all 7 days of the week
Power back-up
Back-up duration of 3 minutes minimum at one time


Power requirements
240v AC ±10%, 50-60 Hz
Power consumption
Approx. 430 x 105 x 365 mm (w/h/d)
(17 x 4 1/4 x 14 3/8 inches)
including projecting parts and controls
Approx. 10 kg (22 lbs 1 oz) net