Sony 1982
Betamax SL-C9

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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 SL-C9AS
VHF: Australian channels 0-11
UHF: Australian channels 28-63
Channel coverage SL-C9ES
VHF: Western European channels E2-12
UHF: Western European channels E21-68
Channel coverage SL-C9ECS
VHF: Channels E2-U20
UHF: Channels E21-68
Channel coverage SL-C9UB
UHF: Western European channels E21-68
(Up to 30 stations 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 40dB

Inputs and outputs

Video input
VIDEO IN: BNC connector
1.0 V (p-p)
75 ohms, unbalanced,
sync negative
CAMERA connector
14-pin, Sony K-connector
Video output
VIDEO OUT: BNC connector
1.0 V (p-p)
75Ohms, unbalanced,
sync negative
Audio inputs
AUDIO IN: 2 phono jacks
47 kilohms, -10 dBs
(0 d Bs = 0.775 V rms)
Microphone: -60 dBs, for
microphone with 600 Ohm impedance
Audio outputs
AUDIO OUT: 2 phono jacks
Load impedance less than 10 kilohms
-5 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 3 1/2 min. (with L-500)


Crystal lock
Time indication
24-hour cycle
Timer setting Only for recording
9 events/2 weeks, adjustable for any
day or for all 7 days of the week or for
every week
Power backup
incorporating self charging circuit
Backup duration
Up to 5 mins


Power requirements
110-240v AC, 50-60 Hz
Power consumption
Approx. 430 x 105 x 362 mm (w/h/d)
(17 x 4 1/2 x 14 3/8 inches)
including projecting parts and controls
Approx. 10 kg (22 lbs) net