Akai 4000D - Page 3

I. SPECIFICATIONS
STYLE
WEIGHT
DIMENSIONS
POWER SUPPLY
Portable
25.3 Ibs (11.5 kg)
11-7/8"H x 15-3/4'°W x 5-1/2"D
(300H x 400W x 140D mm)
AC 100 to 240V, 50/60 Hz
RECORDING
SYSTEM Inline 4-track stereo, monaural recording.
TAPE SPEED 2speeds ...... 7-1/2 ips and 3-3/4 ips
i (19 and 9.5 cm/s)
TAPE SPEED
DEVIATION Less than +3% at all tape speeds.
WOW AND
FLUTTER Less than 0.15% R.M.S. at 7-1/2 ips.
Less than 0.20% R.M.S. at 3-3/4 ips.
FREQUENCY
RESPONSE 30 to 22,000 Hz +3 db at 7-1/2 ips.
30 to 14,000 Hz +3 db at 3-3/4 ips.
S/N RATIO Better than 50 db
DISTORTION Within 2% at 1,000 Hz ‘‘0”’ VU Recording
(TOTAL HARMONICS)
CROSS-TALK Less than —65 db (Monaural)
Less than —40 db (Stereo)
INSULATION
RESISTANCE More than 50M. ohms.
INSULATION
DURABILITY AC 1,000V for more than one minute
ERASE RATIO Less than —70 db for all tracks.
POWER
CONSUMPTION 30 VA
EQUALIZATION Correct equalization for playback of
tapes recorded to the NAB curve.
FAST FORWARD
AND REWIND
TIME 180 seconds using 1,200 foot tape at
LINE OUT-PUT
LEVEL
LINE OUT-PUT
IMPEDANCE
DIN OUT-PUT
LEVEL
STEREO
HEADPHONE’S
OUT-PUT LEVEL
LINE INPUT
LEVEL
LINE INPUT
IMPEDANCE
DIN INPUT
LEVEL
DIN INPUT
IMPEDANCE
MIC. INPUT
LEVEL
MIC. INPUT
INPEDANCE
MONITOR
SYSTEM
50 Hz. 150 seconds at 60 Hz.
1.228V (0 VU) at 1,000 Hz ‘0” VU
recorded tape used.
1.5K. ohms
250 mV (—10 VU at 600 ohms load)
30—40 mV (Impedance—8 ohms)
50 mV
330K ohms
20 mV
100K ohms
0.5 mV
30K ohms
With REC/PLAY Monitor Switch at
MOTOR
HEADS
RECORDING
HEAD
PLAYBACK
HEAD
ERASE HEAD
RECORD LEVEL
INDICATOR
TRANSISTOR
USED
SILICON
DIODE USED
GERMANIUM
DIODE USED
REELS USED
“Playback” — Can be monitored the
recorded signals from the playback head
by using
Stereo Headphone
eit Amplifier
With REC/PLAY Monitor Switch’ at.
“Record” — Can be monitored the
program being recorded by using
Stereo Headphone
External Amplifier
Induction motor ;
1,450 R.P.M. at 50 Hz
1,740 R.P.M. at 60 Hz
2.5 MF at 50 Hz
2.0 MF at 60 Hz
Revolution :
Condenser capacity :
Inline 4-track stereo and monaural.
Impedance : 120 ohms at 1,000 Hz
Inline 4-track stereo and monaural.
Impedance : 1,200 ohms at 1,000 Hz
Inline 4-track stereo
Impedance : 300 ohms at 60 KHz
Vertical indication model “A” VU meter
} Record Amp.
} Playback Amp.
2$C650-®x2
28C281-8x4
28C458-B)x2
2SC650-(),® x4
2$C281-®x4
28C696-@ x1 } _ Bias Oscillator
SW-05-01 x 2
1N-34A x 2
7", 5", 3" reels
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