RMG International B.V. Professional Audio LPR 35 (mod.34520)

AKAI 1929 . . 90- , .
    



Akai M-8
   


: 1963


SPECIFICATIONS
FREQUENCY RESPONSE : 30 to 25,000 cps at 7-1/2 ips
±3 db. 40 to 21,000 cps at 7-1/2 ips
±3 db. 40 to 18,000 cps at 3-3/4 ips
±4 db. 40 to 10,000 cps at 1-7/8 ips
Measured with 3M (Scotch) recording tape types 111-A, 150, and 200
SIGNAL TO NOISE : 40 db below recorded signal level
WOW AND FLUTTER : Less than 0.15% at 7-1/2*/sec R.M.S.
Less than 0.25% at 3-3/4"/sec R.M.S.
Less than 0.35% at l-7/8"/sec R.M.S.
EQUALIZATION : Correct egualization for playback of tapes recorded to the NARTB curve
CHANNEL SEPARATION : Better than 80 db at 1000 CPS, +3 VU
DISTORTION : Within 2% at 1000 CPS, 0 VU (total harmonic)
HEADS : Inline 4-track stereo/monaural record-play,
4-track erase and 4-track cross-field bias heads. All functions
are controllable by a single head switch having positions for :
4 track stereo 1-4 track mono 3-2 track mono
RECORDING SYSTEM : Cross-field type recording based on the theory of a trailless recording bias system. Inline 4-track stereo
and 4-track monaural recording.
MOTOR : Hysteresis synchronous, 2-speed motor, dynamically balanced.
3000-1500 RPM at 50 cycles
3600-1800 RPM at 60 cycles
TAPE SPEED : 7-1/2, 3-3/4 and 1-7/8 inches per second (15"/sec with an accessory capstan and pinch roller)
POWER OUTPUT : 6 watts at maximum on each channel, total 12 watts
TUBES USED : 6267 (EF86)x 2, 12AD7 (12AX7)x 2, 6BQ5 x 2, 6X4 x 2, 6AR5 x 1
SPEAKERS INCLUDED : Two 4-inch speakers for vertical stereo sound effect
FAST FORWARD
AND REWIND TIME : 75 seconds for either operation using a 1,200 ft recording tape at 60 cycles (90 seconds at 50 cycles)
POWER REQUIREMENTS : 100-240 VAC, 50-60CPS, 100VA., frequency compensation by shifting capstan drive belt on fly-wheel
WEIGHT (NET) : 21.5 kg. (47.3 pounds)
DIMENSIONS ; 510 Hx340Wx226 mm deep overall, case closed 20"Hx 13"W x 9"D


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