Akai M-9 - I. SPECIFICATIONS

STYLE
WEIGHT
DIMENSIONS
POWER SUPPLY :
RECORDING
SYSTEM
TAPE SPEED
TAPE SPEED
DEVIATION :
WOW AND
FLUTTER
FREQUENCY
RESPONSE
SIGNAL TO
NOISE RATIO:
DISTORTION
(TOTAL
HARMONICS)
CROSS-TALK
ERASE RATIO
INSULATION
RESISTANCE :
INSULATION
DURABILITY:
POWER OUTPUT
LINE OUTPUT :
MAIN OUTPUT :
INPUT LEVEL
LINE INPUT
MIC. INPUT
DIN OUTPUT
Portable
41.8 lbs (19 kg)
20” (H) x 13” (W) x 9-1/2” (D)
(508 H x 340 W x 240 D mm)
AC 100 to 240 V, 50/60 Hz
In-line 4 track stereo, monaural
recording by using Cross-field Bias
Head.
3 speeds ....1-7/8"" , 3-3/4", and
7-1/2"
(15"" with 15 ips adaptor kit)
Within +1 %
Less than 0.15 % R.M.S. at 7-1/2” ips
Less than 0.20 % R.M.S. at 3-3/4” ips
Less than 0.30 % R.M.S. at 1-7/8” ips
30 to 23,000 Hz + 3 dBat 7-1/2” ips
30 to 18,000 Hz + 3 dB at 3-3/4" ips
30to 9,000 Hz+ 3dBat 1-7/8” ips
Better than 50 dB
Within 2 % at 1,000 Hz O VU
(Line Out put)
Within 5 % at 1,000 Hz 10 W
(Main Out put)
Less than —65 dB (Monaural)
Less than —43 dB (Stereo)
Less than —70 dB for all tracks
More than 50M ohms.
1,000 V. AC. for more than one
minute duration.
1.228 V(O VU) by using 250 Hz OVU
Recorded Tape
Impedance .... 1.5K ohms.
15 W maximum per each channel at
undistorted power, total 30 W
20 W maximum per each channel at
music power total 40 W
Impedance .... 8 ohms.
50 mV ~ 2.5V
Impedance .... 220K ohms
: 4.5 mV ~ 20mV
Impedance .... 4.7K ohms
1.228 V (OVU) by using 250 Hz OVU
recorded tape
Impedance .... 1.5K ohms
DIN INPUT
FAST FORWARD
AND REWIND
TIME
MONITOR
SYSTEM
HEADS
REC/PLAY
HEAD
BIAS HEAD
ERASE HEAD
RECORDING
LEVEL
INDICATOR :
TRANSISTOR
USED
SELENIUM
USED
SILICON DIODE
USED
REELS USED
20 mV
Impedance .... 100K ohms
90 seconds for 1,200 ft.tape at 50 Hz
75 seconds for 1,200 ft.tape at 60 Hz
Can be monitored the program being
recorded by using
Built-in speaker
Stereo headphone
External speakers
Hysteresis synchronous 2 speed motor
1/100 HP
Power Ratio: 85%
Revolution : 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 #F at 50 Hz
2#F at 60 Hz
Horse Power:
Inline 4-track stereo/ monaural
Gap .... 2/1000 mm
Impedance .... 1,200 ohms at 1,000 Hz
Inline 4-track stereo--
Gap .... 0.2 mm
Impedance ,... 500 ohms at 60K Hz
Inline 4-track stereo
Gap .... 0.2 mm
Impedance .... 500 ohms at 60K Hz
Vertical indication Model “‘A’”? VU
meter X 2.
2SC458(B) X2
28C649(B) x2
2SC372. x2
2SC490 x4
2SC650(A) X 2.
2SC281(B) x4
2SC367 x2
2$C696(J),(1),(F)x2.
SPN-01 x 1 Bridged selenium rectifier
5GB Xx 2
7,5" ,3" reels