90 DUAL-DECK USER’S GUIDE
Technical Specifications
VIDEO SYSTEM 1/2-inch VHS system, 4 rotary head helical scanning; FM azimuth luminance; chromi-
nance: converted sub system phase shift
TELEVISION SYSTEM NTSC-type color signal EIA standard (525 lines, 60 fields)
AUDIO TRACK Normal: 1 track
TAPE WIDTH 12.7 mm, 1/2 inch
TAPE SPEED SP: 33.35 mm/s; SLP: 11.12 mm/s
PLAY/RECORD TIME T-180 tape: SP 3 hours, SLP 9 hours
FF/REW TIME T-120 tape: <2 minutes
HEADS
Video: DA 4 rotary heads
Audio: 2 rotary heads; 1 stationary head (Linear)
Control: 1 stationary head
Erase: 1 full track, 1 audio track
VIDEO
Input: RCA Type, 75 ohms unbalanced, 1 V P-P (x2)
Output: RCA Type, 75 ohms unbalanced, 1 V P-P
Horiz Res: Monochrome, more than 230 lines
S/N Ratio: Better than 43 dB
AUDIO
Input: AUDIO IN (RCA) -8 dbm, 47K ohms (x2)
Output: AUDIO OUT (RCA) -8 dbm, 1.5K ohm
TV Tuner: 181 channel frequency synthesized. VHF input Ch 2 - Ch 13. UHF input Ch 14 - Ch 69.
VHF & UHF one input. Cable Ch 5A, A-5 through A-1, A-I, J through W+58, W+59
through W+84. 75 ohm unbalanced F-type connector.
S/N Ratio: Better than 43 dB
RF MODULATION Channel 3 or 4
POWER REQUIREMENT 120V AC, 60 Hz, 26 watts maximum
CLOCK BACKUP TIME <1 minute
ENVIRONMENT 41-104 F (5-40 C); 10%-75% humidity
DIMENSIONS 540 x 100 x 400 mm (22" x 4" x 15 3/4")
WEIGHT 6.2 Kg (13.6 lbs.)