Akai 1730-SS

I. SPECIFICATIONS
WEIGHT
DIMENSIONS
37.5 Ibs. (17.0 kg)
18"(H) x 16.5’°(W) x 9.5'(D)
(H450 x W420 x D240 mm)
POWER SUPPLY 100 to 240 V AC, 50/60 Hz
RECORDING
SYSTEM In-line 4-track 4-channel stereo and
4-track 2-channel stereo recording
PLAYBACK
SYSTEM In-line 4-track 4-channel stereo and
4-track 2-channel stereo playback
POWER CON-
SUMPTION 80 W (Deck 55 W)
TAPE SPEED 3-3/4, 7-1/2 ips.
TAPE SPEED
DEVIATION Within +1.5% at all speeds.
WOW AND
FLUTTER Less than 0.15% R.M.S. at 7-1/2”
Less than 0.2% R.M.S. at 3-3/4"
FREQUENCY
RESPONSE 30 to 22,000 Hz +3 dB at 7-1/2”
40 to 13,000 Hz +3 dB at 3-3/4”
SIGNAL TO NOISE
RATIO More than 48 dB
DISTORTION (Total
Harmonics) Within 2% at 1,000 Hz OVU
recording (LINE OUTPUT)
Within 3% at 1,000 Hz 5 W (when
terminated with 82) (MAIN OUTPUT)
CROSS-TALK Less than —SO dB (track)
Less than —40 dB (channel)
ERASE RATIO Less than 70 dB
INSULATION
RESISTANCE More than 50 MQ
INSULATION
DURABILITY 1,000 V AC for more than one minute
duration
LINE OUTPUT +4 dB 41.5 dB (1.228 V), at OVU indi-
cation, 250 Hz OVU recorded tape
Required load impedance more than
25K
More than 5 W
Impedance ; 8 2
—6 dB +1.5dB when using a 250 Hz
recorded tape
POWER OUTPUT
DIN OUTPUT
Required load impedance more than
50 KQ
Above 40 mV
Impedance ; 330 KQ
Above 0.4 mV
Impedance ; 30 KQ
Above 20 mV
Impedance ; 100 KQ
LINE INPUT
MIC. INPUT
DIN INPUT
FAST FORWARD &
REWIND TIME
MONITOR SYSTEM
(recording)
MOTOR
HEADS
RECORDING
HEAD
PLAYBACK
HEAD
ERASE HEAD
ERASE HEAD
TRANSITORS &
IC USED
DIODES
REELS
90 seconds 1,200 ft. tape at 50 Hz
70 seconds 1,200 ft. tape at 60 Hz
With Record/Play back Switch at “REC”
The program being recorded can be
monitored by using :
built-in speakers
stereo headphones
external speakers
crystal receiver
Hysteresis synchronous 2 speed motor
Horse Power: 1/100 HP
Power Ratio: 85%
Revolutions : 3,000 to 1,500 R.P.M.
at 50 Hz
3,600 to 1,800 R.P.M.
at 60 Hz
Condenser capacity : 3 uF at 50 Hz
2 pF at 60 Hz
In-line 4-track 4-channel stereo (4-track
2-channel stereo)
Impedance : 125 420% at 1,000 Hz
Gap: 4/1,000 mm
In-line 4-track 4-channel stereo (4-track
2-channel stereo)
Impedance : 1,200 2 +15% at 1,000 Hz
Gap : 2/1,000 mm
In-line 4-track 2-channel stereo
Impedance: 195 2 +10% at 100 KHz
In-line Full track
Impedance : 350 2 +10% at 100 KHz
2SC458LG (C) x 4 | apCURDING
28C871 (E,F) x4 | AMPLIFIER
LD-3141 x 4 }
2SC458LG (C) x 8| PLAYBACK
LD-3141 x 4 | AMPLIFIER
STK-011(A) x2 MAIN AMPLIFIER
2SC971 (2,3) (RED) x2 BIAS OSC.
2SD223 (Y)x 1 POWER AMP.
IN34A x4
VO6B x 4
10DC-1 (BLACK) x 1
RD-24A (M) x 1
7'', 5" reels can be used.