SPECIFICATIONS: Type: 4-TRACK 2-CHANNEL STEREO/MONO. Max. REEL SIZE: 7" MAX TAPE SPEED: 19cm/sec. (7-1/2 ips}, 9,5cm/sec. (3-3/4 ips) TAPE SPEED ACCURACY: + 0.5% AT 7-1/2ips and 3-3/4ips. HEADS: ERASE 4-TRACK 2-CHANNEL RECORD 4-TRACK 2 CHANNEL. FORWARD PLAYBACK 4-TRACK 2-CHANNEL REVERSE PLAYBACK 4-TRACK 2-CHANNEL MOTORS: ONE 4-POLE 2-SPEED HYSTERESIS SYNCHRONOUS MOTOR CAPSTAN DRIVE. TWO 6-POLE CAPACITOR STARTING INDUCTION MOTORS FOR REEL DRIVE. FAST FORWARD/REWIND TIME: APPROX. 100 SEC. FOR 1,800-FOOT TAPE. WOW AND FLUTTER: 0.06% WRMS A 7 1/2ips 0.1% WRMS AT 3 3/4ips. FREQUENCY RESPONSE: 15-25,000Hz (20-20,000Hz WITHIN =2db) AT 7 1/2ips. 15-15,000Hz(30-10,000Hz WITHIN = 2db) AT 3 3/4ips. S/N RATIO: BETTER THAN 45dB BETWEEN CHANNELS AT 1,000hZ. DISTORTION FACTOR: PLAYBACK PREAMP DISTORTION LESS THAN 0.1% (AT 1,000Hz AND OUTPUT OF 1.2V)/ TAPE RECORD/PLAYBACK DISTORTION LESS THAN 1.2% (AT 1,000Hz AND 0 VU), LESS THAN 3% (AT 1,000Hz AND =6 VU) ERASING EFFICIENCY: BETTER THAN 60dB. INPUT SENSITIVITY AND IMPEDANCE: MIKE: 0.5V MIN., 50K/ 0,05MV MIN., 600 (USING SANSUI A-603 MIKE TRANSFORMERS) LINE-1, -2: 70V MIN., 100K DIN: 14mV MIN., Output LINE, DIN: 1.2V MAX. (0 VU=0.775V,0 / VU= 0.225V SELECTABLE WITH SWITCH). HEADPHONES: 10mW, 8 BIAS FREQUENCY: 100kHz. MIXING: MIC+LINE-1 / LINE-1+LINE-2 / LINE-1 + DIN. SWITCHES: OPERATING SWITCHES (REVERSE/REWIND/STOP/FAST FORWARD/FORWARD}, PAUSE (OFF/ON/LOCK), SLEEP (OFF/ON), TAPE SPEED (7 1/2ips/3 3/4ips) (19cm/sec./9.5cm/SEC.) TAPE TENSION (1 MIL/1/2 MIL), RECORDING ,PDE (STEREO/MONO L+R), MONITOR (SOURCE/PLAYBACK), AUTOMATIC (AUTO REWIND/AUTO REVERSE/AUTO REPEAT/MANUAL). POWER REQUIREMENTS: 100/110/120/200/220/240V AC, 50/60Hz POWER CONSUMPTION: 130W DIMENSIONS: (17 1/8")WIDE X (21 1/8")HIGH.X ? Deep Weight: 60 pounds