Betamax SL-T50

beta vcr logo



Video recording system
Rotary two-head helical scanning
Video Signal
CCIR standards, PAL and SECAM colour
EIA standard, NTSC 3.58 and NTSC 4.43 colour
Aerial input
75-ohm, asymmetrical aerial socket
Channel coverage
VHF: Western European channels
E2 - U20
UHF: Western European channels
E21 - E68
NTSC 3.58
VHF: American channels
A2 - A13
UHF: American channels
A14 - A76
(Up to 8 programmes can be preset.)
RF output signal
Western European channels
UHF channels E30 to E39 (variable)
American channels
UHF channels A26 to A38 (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 12,000Hz CCIR Beta II
50Hz to 9,000Hz CCIR Beta III
Audio S/N
Better than 41dB CCIR Beta II
Better than 40dB CCIR Beta III
Audio distortion
Less than 4% at 400Hz

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
MULTI OUT: 8-pin connector
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,

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 4 min. (with L-500)
Tape speed
Beta II : 20mm/sec
Beta III: 13.3mm/sec
Maximum recording time
3 hours 20 min. (with Sony L-830 cassette)
5 hours (with Sony L-830 cassette)
Fast forward/rewind time
Within 4 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 or for every week
Power back-up
3 mins at any one time


Power requirements
110-240V AC, 50-60 Hz

Index | Technical | Overview | Accessories