Akai GX 630 DSS Brochure

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Akai GX 630 DSS Brochure

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Page 1

X-63OD-SS

4-CH/2-CH COMPATIBLE STEREO TAPE DECK

All GX Recording and Playback Head Ouadra-Sync 4-channel stereo
tape deck. A 4-CH/ 2-CH lVlode Selector Switch instantly converts the
unit for 4-channel or 2-channel performance. New CPG AC Servo
Motor for direct capstan drive. 10-1/2" reel capacity.

Page 2

GX HEAD CPG AC SERVO MOTOR SYSTE
S/ N RATIO BETTER THAN 54dB. LESS Tl

4-CHANNEL/2-CHANNEL GX HEAD FOCUSED
FIELD RECORDING AND PLAYBACK SYSTEM

The GX-630D-SS employs all GX Recording and Playback
Heads for incomparable four and two channel stereo per-
formance. The cores of the GX (glass and crystal ferrite)
Heads are made of low noise crystal ferrite which has proven
far superior to conventional head core materials. This is a non-
pourous material so that there is nothing to cause cracking or
chipping of material from the head surface and, thus, there is
no gap damage. This also means that the magnetic properties
peculiar to ferrite can be utilized for high electronic conversion
capabilities resulting in better high range frequency cha-
racteristics. The nature of this material enabled Akai engineers
to construct a perfectly lineal shallow head gap and an acute
angle head surface contour for perfect head-to-tape contact
wherein the tape is exposed only to the part of the head-s
sharply focused magnetic field for improved head sensitivity
and the elimination of sound drop-out. The core of the GX
Head is mounted and set in pure glass of the same extra-
ordinary hardness so that the head surface is always kept
free of dust and magnetic particles, thus assuring wear-free
characteristics for lasting new machine performance.

10-1/2" REEL CAPACITY

A Reel Size Selector and standard accessory 10-1/2" reel hub
adapters facilitate the use of 5, 7, or 10-1/2" reels. Further,
this model features -quick tension- wherein ideal take-up and
back tension is applied to the reels at the beginning of tape
start for smooth operation regardless of reel size.

AKAI-S OUADRA-SYNC RECORDING FOR PER-
FECT SOUND SYNCHRONIZATION

This model incorporates Akai-s unique Ouadra-Sync recording
system. As shown in the figure, on conventional units, sound
monitored through headphones comes from the playback
head. Therefore, to date, eventhough there were several kinds
of multiple recording systems, because of the short time neces-
sary for the tape to travel from the recording head to the play-
back head, sound synchronization was impossible.

However, with Akai's Ouadra-Sync system, the sound moni-
tored is produced from the recording head, i.e., any of the
recording head tracks can be switched to playback mode at
will by means of the Track 1,2,3 and 4 QUADRA-SYNC
SELECTOR SWITCHES for monitoring during recording on
another track. Thus, program material on one track can be
perfectly synchronized with any or all of the 3 remaining
tracks. Use for professional split rehearsals or recording
sessions, or to form a one-man combo or a quartet with a
single voice, etc. The uses to which Quadra-Sync can be
applied are as unlimited at the imagination of the operator.

CONVENTIONAL UNIT
Recording Playback Head

V
-I
(time gap between recording g

and playback head) (perfect synchronization)

AKAI'S QUADRA-SYNC
SYSTEM

Recording
Head