Akai GX-630D-SS User Manual

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GX

HEAD

CPG

AC

SERVO

MOTOR

SYSTI

5/N

RATIO

4-CHANNELI?.CHANNEL

FIELD

RECORDING

The GX-630D-SS

for

Heads

formance.

Heads

far

superior to

pourous chipping

gap

no

peculiar

capabilities

racteristics.

to construct a

angle

wherein

sharply

and Head

inary

ord

free

characteristics

incomparable

The

cores of the GX

made

are

material

of

damage. This

to

head

the

focused

elimination of sound drop-out. The core of the GX

the

of

conventional

material

ferrite

resulting in

nature

The

perfectly

surface

tape

magnetic

is mounted

hard ness

dust

of

and

for

so that there

can

lasting

AND

employs

four

noise

low

from

the

means

also

be

utilized

better

of th is material enabled Aka

lineal

contour

is exposed only

and set

magnetic

field for

so that the

new machine

GX HEAD

PLAYBACK

Recording

GX

all

and two channel

(glass

and

ferrite

crystal

head

materials. This is

core

nothing

is

that the

for

to cause cracking

surface and, thus, there is

magnetic

high electronic

high range f requency

perfect

to the

improved

head

head-to-tape

part

of

surf

ace

thus assuring

performance.

shallow

for

pure glass

in

particles,

BETTER

FOCI-'SED

SYSTEM

Playback

and

crystal

which

gap

and

of the

head

the same

is

always

per-

stereo

ferrite)

proven

has

non-

a

properties

conversion

cha-

i engineers

an acute

contact

head's

sensitivity

extra-

kept

wear-free

or

THAN

54dB.

AKAI'S OUADRA.SYNC RECORDING

FECT SOUND SYNCH RON

This model incorporates

system.

monitored

head.

of

sary back

However, with Akai's

tored is

record

will

SELECTOR SWITCHES another

perfectly

tracks. Use

sessions, or to

single applied are as unlimited

As shown

through

Therefore,

multiple recording

for

the tape to travel

head,

produced

ing head

means

by

track.

to

sound synchronization

tracks can

of the Track 1

Thus,

synchronized with

for

voice, etc. The

CONVENTIONAL

form

Playback

Akai's

in

the

headphones

date, eventhough

systems,

Ouadra-Sync system, the sound moni-

frorn

the

program

professional

one-man

a

uses to

UNIT

Head

IZATION

unique Quadra-Sync

figure,

on

conventional

comes

because of the short time neces-

from

the

was impossible.

recording head,

be switched

,2,3

for

monitoring during recording

material

any

split

combo

wh ich

imagination

the

at

AKAI'S

SYSTEM

from

were

there

recording

and

head

i.e., any of

playback

to

4

OUAD

on one track can be

or all of the

rehearsals

quartet

or

a

Ouadra-Sync

of the operator.

QUADRA-SYNC

ffi

(time

gap

dtw

between

playback

and

'

recording

head)

(

perfect

synchron

LESS

FOR PER.

recording

units,

sound

playback

the

several kinds

play-

to the

the

mode

at

-

RA

SYNC

on

3 remaining

recording

or

with

a

can be

ization

)

TI

Gap environs

1O.'I

12"

Reel

A

adapters

this

back start

Size Selector

model

tension

for

smooth

of

Crystal

REEL

facilitate

features

is

applied to the

operation

Head.

Ferrite

CAPACITY

standard

and

the use of

"quick

tension"

regardless

v 4.

..$,.:}

ll

environs of

Gap

accessory

7, or 10-112"

5,

wherein ideal

reels

at the beginning

of reel

10-1

size.

poly

ferrite

f2"

reels.

take-up and

head.

reel hub

Further,

of

tape

ww#ffip

TEM.

DISTORTION

LESS

THAN

O.5%.

THAN

4-CHANN

Switch-over

-CH|2-CH

the

When set

perfect

for

CPG

NEW

CAPSTAN

model employs

This

(center

CPG direct capstan

inertia

and

with

motor

lutions. This coupled

rubber belts and

of

realization of

in the

f

lutter

and

rotor

outer

drive system

performance

stable

llent tone Roller and

also

stability.

add

to tape

O.O6%Wo^N

MODE SE L

LIT.CHANI\ E

E

4-CH or

to

Mode

to 2-CH

2-channel

AC

2-CH

Selector

rear

mode,

stereo.

SERVO

DRlVE

motor drive system

3

pole

increased output

perfectly

factor.

motors complete the

quality.

Tension Levers

a

frequency

drive. Merits of

accurate

with

the

f lywheels resu lts

0.06%

a

eddy

Two

for

completely

exce

and

lmpedance

travel

L

operation

according

channel

MOTOR

generated)

the CPG

quiet

for

a

rev

motor

eliminatio

wow

current

'r*

-

ECTOR

is

simple as setting

as

desired operation.

to

input and

FOR

output

DIRECT

with Akai's

AC Servo

system include

Motor

AND

is

cut

new

for

greater

FTUTTER!

OUICK

When Pause

the slightly so that

and

ta

FEATHER.TOUCH

CHANGE COI\TROL

Feather-touch

mode change.

recording

FOL'R EACH

TROLS FOR

lndividual

mixing

varied

sound

lndividual

PITCI-I

Modify

convenient for

Also convenient

during duet

changed by up

PAUSE CONTROL

heads

smooth.

pe.

Mode is

the

and

when

Pause

Full Direct Function

This

mode

microphone

techniques.

during

regular

effects. Front and

Track lnd

CONTROL

musical

tone during recording adjusting

or trio

to

effected,

pinch

the

Control

feature

for

easy

MIC

DIVERSIFIED SOUND

These

icator

for

performance,

t1

semi-tone

the tape

roller separates

Pause

especially convenient

is

remains in contact

from

released,

is

Lever

FULL DIRECT

Change Control

function

includes

add-on

AND LINE

and

professional

or Ouadra-Sync

Lamps.

pitch

musical instruction or

direct

recording.

INPUT LEVEL

MIXING

line input

controls

type controls

recording for

Rear

channel Output Controls.

playback.

or

during

Quadra-Sync

etc. Musical interval

(!5%

of tape speed).

capstan only

the

re-start is

for

editing

FUNCTION

for

speedy

change

CON.

for limitless

can be

special

Particularly

recording.

adjusting

can be

with

fast

to

pitch

".',ry,tit;r'-W

t.a.,

AUTOMATIC

The Automatic

tape,activating

reel movement

stops

TAPE

Facilitates

Tape.

SELECTOR

use

STOP

Stop/Tension

an automatic

of

FOR OPERATING

for operating safety.

SWITCH

performance

high

REMOTE CONTROL OF

Arm

stop

ALL

drops

mechanism

Low

OPERATING

SAFETY

the

at

which

Noise or

end of

Wide Range

the

competely

FUNC.

TIONS

panel

rear

A

accessory

operating

all

can

also

EXPANDED VU

Expanded VU Meter

for

ment

CONVENIENT

"'f

: :il

,'w

W

atw

FRONT

JACKS

Remote

Control Jack accomodates

Control Unit

RC-17

functions. Model RC-17 Remote

be used together

professional

more

AND

REAR

with

METER

Scales

LIFT-UP

CHANNEL

a timer

SCALES

enable

record

TYPE

ing

for remote

for

absentee

precise

results.

HEAD

input level

COVER

HEADPHONE

Akai optional

control

Control Unit

recording.

adjust-

of

I

TECHNICAL

Track

System

Reel

Capacity

Tape Speed

Pitch

Control

and Flutter

Wow

Frequency

Response

Distortion

Noise Ratio

to

Signal

Ratio

Erase

Bias Frequency

Heads

Motors .

Forward and

Fast

Time

Rewind

Jacks

Output

lnput Jacks

Semi-conductors

DATA

track

10-1

and

l2

than

15,000

than

vu)

pea

: One

head.

One

:

One

drive, two

reel

sec.

20

(2)

Ql:

412

channel

12"

3-3/4

0.06%

0.09%

Hz

,000

Hz

05%

k record

4

TR, 2-CH|4-CH

One

head.

Rear

AC

drive.

using

:

0.775

More

(1

30 m

:

)

Ql:

m V/1

70

65,

4

system.

Up to

7-1

xsy,

Less Less than

30 to 21 30 to

Less

,r0r,

Better than 54

with

Better than 70

1 0O kHz.

(41

back

recording

head.

(3)

1

Line

impedance: Phone

Microphone

Line

Transistors

compatible

reel.

ips.

ftO.7%l

RMS

at7-1

RMS

at

t3

dB at 7-1

t3

dB at 3-3/4

-1

at 7

12

(measured

dB

level

ing

dB.

4

TR, 2-CH|4-CH

One

erase

CH

motor

Servo

current

eddy

ft

tape.

2,4OO

(O

V

VU) Required

20

than

V/B ohms.

m V/10

O.25

k

50

Diodes 63,

12

3-3/4

ips.

of

Front

head.

k ohms.

ohms.

lCs

ips.

12

ips.

(1

,000

via +6

GX

CH

for

motors

k ohms.

4.

stereo

tape

V

U

Play-

G

erase

capstan

for

load

Hz

.

)

X

Requirements

Power

Dimensions Weight

*

Specifications

*

improvement

For

without

change

STANDARD

Plug

10-1 10-1

Spare

Operator's

Spare

"

12" 12"

F

Connection Cords Reel Hub

Empty

uses

fuses

determined

purposes,

notice.

ACCESSORIES

Adapters

Reel

lVlanual

not included with

. U.S.

only.

CEE

Other

(Switchable)

440(Wl

.

n73x2o.7

. 20.7

Scotch #

with

specif

CEE,

and Canada

Models:

x

527

(4S.5

211

CSA,

22O

100 to 24O

(H)

x9.4"1

lbs.)

and

UL

IO. II.

12. I3. I4. t5.

I6.

17. I8. TRACK,I MIC I9. TRACK I

20.

21. TRACK 3 LINE

22.

23.

24.

25.

26. PAUSE

27. 28,

29. PINCH ]0. 3I.

32. ]3.

]5. TRACK ]6.

]8. ]9. TRACK

40. TRACK 4I. TRACK

42. TRACK 4]. TRACK

,{,1.

.15.

16. TRACK

Models:

kg

ication s

Models:

Hz onlY.

V,

50

x

24O(D)

Tape.

and

l.

2. ]. IIEAD

4.

5.

6.

7.

8. INDEX 9,

34.

37. TRACK

are subject

design

rnodels.

LA

BULIT-lN

R[-EL RETAINF.R

SUPPLY RET-I-E TABLE

COVER

INDIVIDUAL

INDICATOR IMPEDANCE TAPE TENSION LEVER PITCH

CONTROL

COUNTER AND

TAPE SPEED SELECTOR

FOWER SWTCH

REELSIZESELECTOR

VU

TRACK 3 TAPE

SELECTOR

YU

TRACK I

l,2,

TRACK

SELECTOR SWITCHES FRONT CHANNEL REAR CHANNEL

LINE MIC INPUT

TRACK 3

CHANNEL

FRONT CONTROL

REAR

CHANNEL

CONTROL

BUILT-IN RFEL

TAKE-UP

REEL TABLE

SWTCH

RECORDING

BUTTON

REWIND

WHEEL

CAPSTAN

AUTOMATIC LEVER

BUTTON

STOP

PLAY BUTTON

FORWARD

FAST

VU METER

2

MONITOR

TAPE

VU

4

MODE

4CHI2CH

MICROPHONE

I

3

MICROPHONE

4 MICROPHONE

MICROP'IONI.

2

4

LINE

Ml('lNPLrT

4

TRACK

LINI.,

2

TRACK

Ml('

2

Hz

V

12O

60

,

50/60

Hz.

V,

mm

1

set

1 set

(left)

TRACK RECORDIN(;

LAMPS

ROLLER

RESET BUTTON

METER

SWITCH

METER

4

3, &

QUADRA-SYNC HEADPHONE JACK

HEADPHONE

INPUT LEVEL CONTROI.

LEVEL

INPUT

RETAINER

(REC)

STOP/TAPE

METER

SELEC'TOR

INPUT

lNPLrT

LEVEL CONTROL

LEV[,I, CONTROI-

OUTPUT

BUTTON

TENSION

BUTTON

SWTCH

JACK JACK JACK JACK

LF-\'F-L

Lt.VEL

t,EVF

l-l'.YIl-

LEVF-L

LEVEL

(right)

SWITCII

('ON-IROt

I-

('(J\

CONTROL

('ON-TROI

('ONI'R0I,

to

2

1

JACK

l-ROl-

DISTRIBUTED

BY

AKAI AMERICA,

Blvd.,

Amo

E. Del

2139

Compton,

TE

LEPHONE

TELEX

gO22O,

.,

Calif

:

Q131537-3880

:

67-7494

[D.

U.S.A.

MANUFACTURED

AKAI AKAI

ELECTRIC

TRADINC

12-1 4, Z-chome,

Ohta-ku,

c35S75

DISTRIBUTED

&

CO., CO.,

Higashi-

Japan

Tokyo,

Koiiya,

930754

BY

LTD. LTD.

1