Akai GX-230 Service Manual

I
I. SPECIFICATIONS
An astersk
next to a
figure
indicates the
minimum
guaranteed
performance.
TRACK SYSTEM
i
4
track
2
channei
stereo
svstem
TAPE SPEED
7-ll2
and 3-314
ips.
x0.7%
*'l-ll2
ips.
(19
crn/sec.)
xl.Mo
*3-3l4
ips.
(9.5
cml
Less than 0.07%
RMS.
at
7-ll2iPs.
Less
than 0.i%
RMS. at
3-3/4
ips.
*Less
than 0.l0Vo at
7-Il2 iPs.
FWD
*Less
than 0.I2%
at'l-ll2
ips.
REV
*
Less
than 0.15%
at 3-3
4 ips.
FWD
*Less
than 0.l8Vo
at 3-3/4
iPs.
REV
*Less
than 0J2%
at
7-ll2 ips.
*Less
than
0.I8%
at 3-314
ips.
30 to
23,000 Hz
t3
dB
at
7-ll2
ips.
lwith
Akai
LN Tapel
30 to
19,000
Hz
t3
dB at
3-314
ips.
(with
Akai
LN Tape)
30 to
22.000 Hz
t3
dB at
7-ll2 ips.
30
to
18.000
Hz
t3
dB
at3-314
i
Less
than 1.07o
Less than 1.5% at
7-ll2 ips.
WOW
&
FLUTTER
TOTAL
WOW
&
FLUTTER
FREQUENCY
RESPONSE
DISTORTION
TOTAL DISTORTION
Less than
25% at 3-314
i
SiN RATIO
Better than 54 dB
*Better
than 50
dB
TOTAL S/N
RATIO
*Better
than 45
dB
OUTPUT
LINE
0.775V
(0
t
I
dB/O
t
1.5
dB.
FWD/REV)
DIN
700 Hz
"0"
VU Prerecorded
tape,
output
volume maximum'
0.5v
INPUT
MIC
LINE
DIN
\f
ore
than
0.3
mV
More
than
70
mV
More than
3
mV
RECORDING/PLAYBACK
LEVEL
CROSS
TALK
ERASE RATIO
RECORDING
BIAS
FREQUENCY
BTAS
LEAK
HIGH FREQUENCY
DEVIATION
(at
"0"
VU
output,
recording
volume
maximum),
0.775V
(0
t
1.5
dB)
Better than 40 dB
(1,000
Hz
+3
VU
recordi
Better than 70 dB
(1,000
Hz
+3
VU recording)
100
t
10
kHz
Better
than
-30
dB
Within 3 dB
(8,000
Hz.
3-314
ipt.
ta
90
minutes.
stereo
recording,
using
a 1,800
ft. tape
at
7-ll2 ips'
RECORDING
TIME
FAST FORWARD
AND REWIND
TIME
Approxrmately 120 seconds,
using
a 1.800
ft. tape
¿1!9
FIz.
\IOTOR
MAIN MOTOR
REEL
}IOTOR
2
speed
A.C. Servo
Conuol
Outer
Rotor
Motor
Type:
SCM2-24K1,4
pole
Revolutions: 6 l5
r.p.m.
at
7'Ll2
ips.
(19
cm/sec.)
307.5
r.p.m.
at 3-314
iPs.
(9.5
cmisec.)
Two
6-pole
eddy current
Outer
Rotor
Motors
Type:
24XGMR
Revolutions: 930
r.p.m.
at
50
Hz
HEAD
COMBINATION
RECORDING/ERASE
HEAD
| 1,120
r.p.m.
at
60
Hz
Type: RE4-6
Gap:
Rec:
4¡¡
Erase: Double
GaP
lmpedance:
Rec: i,400
ohmt25%
at 100
kHz
Erase: 130
ohm
t7% at lO0kÍlz
D.C.
Resistance:
Rec:
5.5
ohm
Erase:
1.8
ohm
Type: P4-202
Gap: 1.7¡r
t0.51
Impedance: 1,400
ohm
at
I
kHz
D.C. Resistance:
268
ohm
PLAYBACK HEAD

Akai GX-230 Specifications

General

Brand	Akai
Model	GX-230
Category	Tape Deck
Language	English