Akai GX-747 dbx Service Manual

w
0\
CIJ 1/ •
m ~~B ~h
~ '1"j ,{~ < ~j
n ...... ' .
m (JQ VU MET ER
, S ENSITIV ITY
~ I~
> \0
z I
C: Vl
> '"ti
I:"' >-,
(l (1)
~ ►
i 8
~ >-a
cr' --0
>< .
0
tJj
0
"'
>-,
p..
>-3
-
0
-
Vl
►
Vl
0
Vi
0
VR ~•~ I
,._,..
., VR5", VR5b FWD PB LEVEL
VR6, VR6b REV PB LEVEL
vR
0
~bm iVR5b
VR9 @? ~
IH/2 1nl~ }
VR4. ~ ~ FRE QUENCY .
13 -3/41nl ~ l ,. RESPONSEIEEI
~
VR3
\ -'. BIAS
CU R~,E NT
~VL I
~ REC PEAKING
I I VR2
........
\/Rl,VRlb _ ~EY RE C LEVEL
VR 2,VR2b FWD REC LEVEL
:VRI~ ~ ~ VR2b
~ 0- 1/B
-
~Vl lb
· ~: 2i f vc1
f~ \;
1
~REO llE:NCY RESPONSE INORMALI
,c VC 2,2b .. , . •
• ; RE V FREQ U ENCY RESJ'ONSE I NORMAL! ;,
VC2bi
@) VClb
~- R~C )='E~K!NG
"'
"'
N " r-- ?---..
(D · .f (!'.Ii-:..
t
~ QJ ~ ._ H
g~~
0
-
Iu-,
Cf)~~
BIAS OSC
0
Ti . sosc·:~ ::)
· (:::s CURRENT
- AO,JUSTMENT
AC VOLTMETER
and
FREQUENCY COUN TER
1El

Akai GX-747 dbx Specifications

General

Track System	4-track, 2-channel stereo
Reel Size	up to 10.5 inch reel
Type	Reel to Reel
Heads	2 x erase
Motor	1 x capstan, 2 x reel
Tape Speed	9.5 cm/s, 19 cm/s
Wow and Flutter	0.03% (19 cm/s)
Signal to Noise Ratio	65dB
Input	1 x line, 1 x microphone
Output	1 x line
Dimensions	440 x 480 x 260 mm