Akai GXF 37 Service Manual

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Akai GXF 37 Service Manual

Extracted text from Akai GXF 37 Service Manual (Ocr-read)


Page 1

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THIS MANUAL MUST BE USED AS A SET
TOGETHER WITH SEPARATELY PUBLISHED
GX-F35 SERVICE MANUAL AND PARTS LIST.

STEREO CASSETTE DECK

MODEL GX-F37

Page 2

I. TECHNICAL DATA

TRACK SYSTEM 4 Track 2 Channel Stereo System
TAPE Philips Type Cassette
TAPE SPEED 4.76 cm/s i 1.0% (1-7/8 ips. 11.0%)
HEADS Erase head x 1
Twin Field Super GX head for recording/playback x l
MOTORS Electronically speed controlled DC motor for capstan drive X 1

DC motor for reel drive x l

WOW & FLUT'I'ER

Less than 0.04% WRMS, 0.11% (DIN 45500)

TAPE WINDING TIME 80 sec. using a C-60 cassette tape
FREQUENCY RESPONSE LN: 30 to 15,000 Hzi-S dB (~20 VU)
LH: 30 to 16,000 Hzi3 dB (-20 VU)
00;: 30 to 16,500 Hzi3 dB (-20 VU)
30 to 9,000 HziS dB (0 VU)
Metal: 30 to 19.000 H213 dB (720 VU)
30 to 13,000 Hzi3 dB (0 VU)
SIGNAL TO NOISE RATIO LN: Better than 58 dB
LH: Better than 58 dB
CrOz: Better than 60 dB
Metal: Better than 60 dB

(measured via tape with peak recording level)
HIGH COM ON 80 dB (Metal). D-NR ON: improves up to 10 dB above
5 kHz

HARMONIC DISTORTION

LN: Less than 0.8%
LH: Less than 0.8%
002: Less than 0.7%
Metal: Less than 0.7%

DYNAMIC RANGE

72 dB at 1,000 Hz HIGH COM OFF
94 dB at 1,000 Hz HIGH COM ON

INPUT

MIC: 0.25 mV (input impedance 5.0 kohms)
Required microphone impedance: 600 ohms
Line: 70 mV (input impedance 30 kohms)

OUTPUT

Line: 410 mV atO VU
Required load impedance: more than 20 kohms
Phone: 100 mV/8 ohms at 0 VU

DIN

Input: 2 mV (input impedance 10 kohms)
Output: 410 mV
Required load impedance: more than 20 kohms

POWER REQUIREMENTS

120V, 60 Hz for USA and Canada

220V, 50 Hz for Europe except UK

240V, 50 Hz for UK and Australia

1 10V/120V/220V/240V, 50/60 Hz internally switchable for
other countries

POWER CONSUMPTION

U/T, CSA ....... 25W

DIMENSIONS

440 (W) x 118 (H) x 285 03) mm
(17.3 x 4.6 x112")

WEIGHT

6.9 kg (15.2 lbs)

For improvement purposes, specifications and design are subject to change without notice.
*HIGH COM is a trademark of AEG-TELEFUNKEN.