Akai X-355 User manual

TABLE' OF CONTENTS
[I]
I GENERAL INFORMATIONS
I.
SPECIFI
CATION
S ·········
...........
....
.....
.
.......
. @
2.
NOMENCLATURE
.......
..................
.
..........
... @
3. CROSS.FIELD HEAD ···········..
·······
····
···.. ·
······
@
4.
4
.TRA
CK RECORDING/PLAYBACK
·········
··· @
5.
TROUBLE
SHOOTING
•··········..
····················
@
6. V
OLTA
GE AND CYCLE
CONVERSION
······
CT)
.U.
OPERATING INSTRUCTIONS
I.
TAPE LOADING
··
········
·················
·
····
······.... ®
2.
PLAYBACK ······ ·· ····
..
··· ·
·· ··
·········· ······ ········· ®
3. PLAYBACK USI!'\G
EXTERNAL
SPEAKERS
OR
AMPLIFIER·
·····
@)
4.
AUTOMATIC
STOP
(DECK O:s/LY
)·
········
..
··
··@)
5.
AUTOMATIC
SHUT.OFF
(DE
CK
ANO AMPLIFIERS)---··· @
6.
AUTOMATIC
REVERSE
(
METER
;
·····
·········· @
7.
AUTOMATIC
REPEAT (MET
ER
)····
·········· ·
···@
8. AU
TOMATIC
RE
V
ER
SE
OR
REWIND
(
METALLIC
SENSING
TAP
E)····.. @
9. AU
TOMATIC
SHUT
.
OFF
WITH
REVERSE
AND REPEAT-
·····
@
10
. MANUAL RE:YERSE
OR
REPEAT
·······
·····--· @
11.
RE
C
ORDING
....
............
..........
.....
........ ......... @
1
2.
RECORD
ING
FROM
DISCS
........
...........
.....
@
1
3.
RECORDING
FROM
AN
EXTERNAL
AMPLIFIER
······
@
14
.
RECORDING
FROM
AN
OTHER
TAPE RE
CORD
ER······ @
15
.
MONJTORII\G
·········
············
..........
.
.........
··· @
MODEL
X-355
OPERATOR'S
MANUAL
CROSS
FIELD
HEAD
SO
LID
S
TAT
E
AMPLIFIER
4-TRACK
STEREOPHONIC
SOUND RECORDER '
AND REPRODUCER
1
6.
REV
ERBERATION
·······
·
..................
............. @
17. SO UND
ON
SOUND
······
······
·········
···
........
.... @
18.
SO
UND
WITH
sou
c-m
...........
......
........
.
..
····· @
19.
FA
ST.
FORWARD
AND RE
WIND
.......
........... @
20.
TAPE
SPEED CHANGE··
··········--··········
·
····
····
([
2
1.
HEAD
CLEANING ···
····
·····
·
···········
..····..···
····
@
22
.
HEAD
DEMAGNETIZATION
····
··
........
..
...
..... .
23
.
TRANSISTOR
PRO
T E
CT
ION••
····
..···..··········· @
24.
VE
NTILATION
····
·········
.......
.........
............
.... @
I ACCESSORIES
I. ACC
ES
SORIES
OPTIONAL
····--···········....·..··· @
2.
ACCESSORIES SPEAKERS ··
....
····..
....
.·········· @
3. ACCES
SORI
ES STANDARD
·······
..·....····
·····
· @
1V
LUBRICATION CHART
....
..............................
..
@
V CONNECTING DIAGRAM.........
..
...
....
...
..
...
...
.
...
@
VI
SCHEMATIC
I. MECHANISM UNIT ··..················..,·,··········· @
2. AMPLIFIER U
NIT
...
.....
.··········......·····....···· @

Tape
Speed
Frequency
Response
Signal
to Noise
Ratio
Wow and
Flutter
Playback
only
)
Equalization
Cross
Talk
Distortion (
Tot
al
Harmonics
)
Head
············
Cross
-Field
Motor
Used
Timing Accuracy
Recording Sensitivity
Power Output
Transistor Used
Fast-Forward and Rewind
Time
Internal Speakers
Power Requirements
Weight (
Net
)
Dimensions
1.
SPECIFICATIONS
3.3
/4, 7.1/ 2
and
15
ips.
30 to 24,000
cps
± 3
db
at
7
-1
/ 2 ips.
30
to
18.000
cps
±3
db
at
3.3
/ 4 ips.
Be
tt
er
th
an
47 db at
norm
al play.
Less
than
0.
08
%
RM
S at
7-1
/ 2 ips.
at
norm
al, reverse play.
I GENERAL INFORMATIONS
Be
tt
er
th
an
45
db
at
reverse pl
ay
.
Less
th
an 0.
14
%
RMS
at 3.3/ 4 ips:
Correct
e
qu
aliza
tion
for
playback
of
tapes
recorded
to
th
e
NA
B
cu
rv
e.
Less
th
an - 82
db
(
Mon
au
ral) Less
than
-45
db
(
St
e
reo
)
Within
4
.0
%
at
1,000 cps OVU
at
IO
watts.
*R
ecordi
ng H
ead
:
Inl
ine 4
Tr
ac
k
Stereo
and
Mona
ura
l,
lo
w im
peda
n
ce
135
ohms
at
1,
000
cps.
* Pl
aybac
k H
ea
d :
lnl
ine
4
tra
ck stereo
and
mona
ur
al,
low
im
pedance
1,000
ohms
at
1,000 cps,
install
ed
on
an
a
ut
oma
tic s
hift
device.
* Erase
and
Bi
as
H
ead
: l
nline
4
tra
ck ster
eo,
l
ow
imp
eda
nce 750
ohms
at
90
kc
.
Hysteresis s
ynchronou
s 2 speed (
4.8
po
le)
mo
t
or
for c
apstan
drive
.
T
wo
4.p
ole
indu
ction
motor
s for
fast.forward
and
rewind
.
±0.3% at a
ll
tape
speeds.
I
nput
of
more
th
an
0.5
mV
in
MICROPHONE
jack.
I
nput
of
m
ore
than
50
mV
in
LI
NE IN
PUT
j
ack
.
25
watts
a t M usic P
ower
on
eac
h ch
an
nel, total 50 watts.
20
w
atts
at
Undistorted
P
ower
Out
put
on
eac
h
cha
nn
el,
tota
l
40
watts.
2SB 443 {A)x
4}
Pr
e.
amp
l
ifi
er
2SB
75
(B
)x
12
2SB 75 {A
)x
2 }
2SB370A(
A)
x 2 Main
amplifier
2SB338 {A) x 4
Rectifier
SP
.01 x 2
Rectifier l
2C
.2 x I
Silic
on
e Di
ode
x 3
2SB370A (B)x 2
Os
c
illator
45 seco
nd
s
for
ei
th
er
operation
using a 1,200 f
ee
t r
ecord
in
g t
ape
at
50
cycles,
36 seco
nd
s at
60
cycles.
6-I/ 2"
round
, wide
range
speake
rs, one
on
each
cha
nn
e
l.
AC
100
to
240 volts,
50
.60
cps,
60
VA
(at n
on
signal)
to
170
VA
(a
t
maximum
output
:
28.5 kg (62.7
pou
n
ds
)
440H
x
40
7W
x 3
10Dmm
O
vera
ll
, case closed. (
17
.3
/ 8"H x
16"W
x 1
2-1
/ 8
11
D)
GENERAL INFORMATIONS
2.
NOMENCLATURE
rn
(j)
Su
pply Reel
Sh
aft
@
Gu
a
rd
Cir
cle
@ Speed
Chan
ge Switch
©
Tra
ck Select
or
Kn
ob
® T
ape
Gu
ide
®
Tape
Guide
Ro
ll
er
(1)
Upper
H
ead
Cover
®
Low
er H
ead
Cover
® Remote Control Socket
@)
Pow
er Button
@
Stop
Button
@ Rewind
Button
@ Play B
utton
@
Fa
st-Forward Button
@ Record
Safe
ty Lock
@ Record
Sa
fety Button
@ Microphone J
ac
k (Left)
@ Microphone J
ac
k (
Ri
ght)
@
VU
Meter
@
Lin
e
Vo
lume Control (Left)
@ Microphone
Volum
e
Con
trol (Left)
@ Re
cord
ing Indica
tor
Lig
ht
@
Line
Vo
lume
Contro
l (Right)
@
Mi
cro
phone
Vo
l
um
e
Con
trol (Rig
ht
)
@ Record
Output
Butt
on
@ Stereo H
eadphone
J
ac
k
@ Pl
ay
ba
ck
Output
Button
@
Vo
lume
Co
ntr
ol
(L
eft
)
®) Volume
Cont
rol (
Ri
ght)
@)
Fun
ction Switch
@
Equ
alizer Switch
@ Tone Switch
@
Sp
ea
k
er
Switch
@ R
epea
t B
utton
@ Reverse Button
@
Shut.Off
B
uuon
@ Pinch Wheel
@
Capstan
Shaft
@)
Reverse Pin ( I )
@ Reverse Pin ( l )
@
Ten
sion
Arm
@)
Index
Counte
r
@ Reset Button
@ Tape Holder
@ Take-up Reel
Sh
aft
@ Dial
Off
Button
@
Tape
Count
Met
er
@ Set Dial
@)
Manual
Reverse
Button
@
Sp
ea
ker Reflectors
® Line I
nput
J
ac
k (Left)
@ Line
Inp
ut J
ack
(
Ri
ght)
@ Line
Out
put
J
ac
k (Left)
I§
Line
Out
pu
t J ack (Right)
@)
External Speaker J
ack
(Left)
@)
Ext
e
rna
l Speaker J
ack
(Rig
ht
)

3.
CROSS-FIELD HEAD GENERAL INFORMATIONS
Cross-field h
ea
d
creates
a se
nsation
in
th
e ta
pe
recorder
world
by
mak
ing a
wide
ra
nge
of
recording
which h
as
never
been
h
eard
before
any
tape recor
der.
Usi_ng this cross-field h
ead,
M
ode
l X-355
prov
ides a s
urpri
si
ng reco
rd
ing
perfor
man
ce
(3
0-24,000 cps at a t
ape
speed of 7
-1
/ 2
ip
s
and
~0
-1
8,000 cps
at
3-3/ 4
ip
s)
.
.Vhat is superior abo
ut
cross-field r
eco
rdin
g?
Ho
w does it
diff
er
from
typi
ca
l
recording
method
s
as
far
as
co
nst
ruct
i
on
is
co
ncern
ed?
On
the
se,
expl
ana
ti
on
is
given below in se
quen
ces :
In
the typical r
ecor
din
g syst
em,
th
e signal c
urr
en
t a
nd
the
bia
s c
urrent
are c
ombin
ed
together
and app
li
ed
to
the
r
ecor
din
g
head
.
(R
efe
r to Diagram
I.
)
It
is we
ll
known
that
th
e
purpose
of bias cu
rre
nt
is recording
at
hi
gh
sensitivity
with
a signal
app
lied
on
th
e tape,
with
no distortion
a
nd
minimizing noise
generat
ion.
Ho
wever,
th
e bi
as
c
urr
e
nt
p
rov
iding such an
adva
nt
age
also h
as
an
und
esir
ab
le ch
arac
t
or
.
That
is,
th
e wi
de
m
ag
netic field
of
th
e bias
current
affects
th
e r
ecorded
si
gna
l,
resulting
in
weakening
or
eve
n e
ra
si
ng
th
e signal.
Thi
s
phenomenon
is
pa
rticularly n
ot
i
ceab
le
at
high
fr
e
qu
encies.
In
th
e cross-field system,
th
e sig
nal
current
is
applied
to the r
ecord
ing h
ead
while
th
e bias c
urr
e
nt
is
app
li
ed
to th
e bias
head.
Th
ese two h
eads
are
lo
ca
ted in
diff
ere
nt
positions,
as
determind
int
er
-rel
at
ively, so th
at
th
e
magnet
ic field of
the
bias will
no
t affect
th
e signal recorded
on
th
e tape, even
wh
en a su
ffi
ci
en
t bias is
ap
plie
d.
Th
is allows
th
e
recorded
signal to
remain
on
th
e t
ape
wi
th
hi
gh
fidelity.
Diagram
I.
Ordinary
r
eco
rdin
g syst
em
Signal
_©J_;
:b!as
D
ir
e
ctio
n in
W
hi
ch t
ape
is
tra
n
spo
rted
.
Di
agram
2. Cross-field
recording
system
_@:::-
(?'I)
Crossfield
~
Bias
head
GENERAL INFORMATIONS
4.
4-TRACK
RECORDING/PLAYBACK
2
· 3
4
[ID
T he
AKAi
x 355
emp
loys a
fo
ur
tra
ck syst
em
th
at
ca
n
be
used for e
ith
er
st
ereo
or
monaur
al reco
rding
and pl
ayb
ac
k.
-
Fig. 2
@ I
I
I
,,,
F
irst
track
The
des
ir
ed t
ra
ck
or
track
s
are
sel
ec
ted
by
the
TRACK
SELECTOR
K
NOB
. @
J
@
Seco
nd
track
Tape
wi
dt
h
' \ Th
ird
tra
ck
\
Fourth
t rack
....
_
4-T
rack Stereo Recording/Playback
Stereophonic
recording
/ pl
ay
b
ac
k
req
uires
th
e s
imul
-
tan
eo
us use of
tw
o tr
ac
ks.
Se
t
th
e
TRACK
SELECTOR
KNO
B ©
to
"STEREO"
.
Th
e
fi
rst
stereop
h
onic
reco
rd-
ing
/pl
ay
b
ac
k takes pl
ace
on
tr
ac
ks I a
nd
3,
an
d
th
e
seco
nd
on tracks 2 and 4
af
ter
th
e reels have been
turn
ed
over.
4-Track Monaural Recording/Playback
I
2
3
4
Th
e monau
ra
l r
eco
rdin
g/ pl
aybac
k
tr
ac
k se
quen
ce should
be
1-4-3-2.
(A}. Set
th
e
TRACK
SE
LE
CTO
R
KNOB
@
to
" 1-4".
~
4
3
2
~~
_:-----=t.f.:::.:
=::
--
---
-
--
-- ·
~
The
first
mon
a
ur
al
recording
/ pla
yb
ack takes pl
ace
on t
rac
k I, a
nd
th
e sec
ond
on track 4 aft
er
th
e
tape
reels have
be
en
turn
ed
ov
er.
(BJ. T
urn
th
e t
ape
ree
ls over.
(C). Set
th
e
TRACK
SELECTOR
K
NO
B @
to
"3-2".
T he
th
ird
mon
a
ur
al re
cording
/ pl
ayback
tak
es place
on
tra
ck 3, a
nd
the
fo
urth
on
t
ra
ck 2 after
th
e t
ape
reels have been
turn
ed over.
T he
X-355
do,
s not reccrd in
th
e
reve,se
dire
c
ti
on.
Us
ing reverse pl
aybac
k,
it
is r.ot r.e, essary to
turn
the
ta
i:,e
re
els ove
r.
X-355 begins reverse pl
aybac
k,
th
e pl
ay
b
ac
k h
ead
is a
utom
ati
ca
ll
y shifted
to
th
e
re
maining
tra
cks.
Wh
en
th
e
©
CD
- - - - -
----
©
~
4
~
3
2
,
~JU2
2
4~
3 -
--
--
-
---
-~
=-
-
--
-
3
-...........:::====
·
4~

5,
TROUBLE
SHOOTING
GENERAL INFORMATIONS
IMPORTA
N
T:
READ
THE
OPERATIN
G
INSTR
UC
TIONS
CAREFULLY
BEFORE
OP
E
RATING
YO
UR
RECORDER
.
Th
e symptoms
li
sted below
do
not necessarily indi
ca
te a malfunc
ti
on
of
yo
ur
tape recor
de
r.
If
your
mac
hine e
xhib
its
any
of
th
ese
symp
toms,
ta
ke the indicated action.
A.
Loss
of
se
nsitivit y or
ton
e
qu
ality m
ay
be due
to:
Dusty or dirty h
ea
ds - clean
th
e h
ea
d
s.
Reversed t
ape
-pl
ace
th
e dull side of
th
e tape toward
th
e heads.
Impr
ope
r volt
ag
e - c
he
ck voltage input and a
dju
stment.
B. I
rr
egularity
of
the tape
tra
nsport m
ay
be
du
e to :
Grime a
dh
ering to
the
heads _
cl
ean the h
ea
d
s.
Oil on
th
e c
ap
s
tan
-clean
th
e c
ap
stan.
Dirty tape s
urfa
ce _use a
cl
ea
n
tap
e.
Be
nt
take up reel - s
tr
aighten
th
e take up ree
l.
C. If
yo
ur m
ac
hine will not r
ec
ord, ins
ur
e
th
at
th
e following are in
th
e co
rr
ect position :
RECORD
SAFETY
BUTTO
N @
Mic
roph
one plugs
D. If
yo
ur m
ac
hine will not r
ep
r
od
uce, insu
re
th
at
th
e following a
re
in
th
e
co
rr
ect posi
ti
on :
PLAYBACK
OUTPUT
BU
TTO
N @
S
PEAKER
SW
I
TCH
@)
Lubri
cate the X-355 a
ft
er every 1,000
hour
s
of
use.
If
an
y problem
ar
ises, take your m
ac
hine
to
th
e authorized
AKA
i
ag
ent
in y
our
ar
ea
or
to
th
e Service Depa
rtm
e
nt
of
th
e
AKA
i
Co
mpany
in Tokyo,
Jap
an.
00
GENERAL INFORMATIONS
6.
VOLTAGE
AND
CYCLE
CONV
ERSION
II]
1.
Voltage
Th
e
VOLT
AG E S
EL
EC
TOR
switches are l
oca
ted on
th
e
bac
k of
th
e recorder rig
ht
above the fuse holder. To select an
operatin
9volta9e1
remove
th
e volt
ag
e
se
l
ector
cover plate and set the
prop
er volt
age
on
th
e two switches so
that
th
e desired voltage shows
through
the cov
er
plate wind
ow
Th
e
ro
tary switch
mu
st be pull
ed
out,
rotated, and reset at
th
e desir
ed
position.
IF
T HE R
EC
ORDER
JS
OPERATED
O N
THE
I
NC
ORRE
CT V
OL
TAG
E, S
ERIO
US
DAM
AGE MAY
RE
SULT.
CAUTION:
Change
fu
se according to
YO
ltage.
FUSE:
100\/
10
120V
3 A
200 \ .
to
240 V
I.
5 :\
Fig. 3 Fig. 4
2.
Cy
cle
Th
e X-355
ca
n be
op
erat
ed
on either 50 or 60 cycle alte
rn
a
tin
g c
urr
ent.
Th
e r
ear
cov
er
pa
nel (Fig
ur
e 5) of
th
e recor
de
r
mu
st
be
remo
v
ed
to
make a cycle
co
nversion.
For
50 cycle op
era
tion1 loosen
th
e knurl
ed
screw on the belt
guide
and oosit
iD
n
th
e belt so it ri
des
on the
low
er
driving
tr
acks
of
th
e flywheel
an
d motor bushi
ng
(Fig
ur
e 6). For 60 cycle
operat
ion, loosen
th
e knurl
ed
screw
and
positi
on
th
e belt so
it rides on
th
e u
pper
dr
iving tr
ac
ks
of
th
e
fl
ywheel and
mo
tor bushi
ng
(F
ig
u
re
7). Aft
er
the
be
lt
is
pr
ope
rly positioned for either
operat
i
on,
tig
ht
en
th
e knurl
ed
scr
ew
and
re
set
th
e
tw
o slide switches l
ocated
n
ear
the
fl
ywheel
and
th
e vol
tag
e
se
l
ector
cover
pa
nel.

VOLTAGE
AND
CYCLE
CONVERSION
Fig. 5
GE
NERAL INFORMATIONS
• •
50
Cycle
60
Cycle
Fi
g. 6
®
C
OPERATING INSTRUCTIONS
[ID
Pl
ace
the
reel
with
t
ape
on
th
e
SU
PPLY
REEL
SHAFT
(j) and
an
emp
ty reel on
the
TAKE
-UP
REEL
SHAFT
@).
Pull
down
on
the
LOWER
HEAD
COVER
@ and
thread
the t
ape
as shown by the
dott
ed line in Figure 8. After
th
e
tape
ha
s been
thr
eaded,
pu
sh
the
LOWER
HEAD
COVER@
ba
ck
up
into positio
n.
Wh
en
th
e rec
ord
er
is used in
th
e verti
ca
l position,
th
e
Rubb
er Reel Holders must be u
se
d.
B
es
l r
eco
rding results are
obtained
\Vith n
ew
lap
c.
Stereo
Connect
th
e power cord
and
load a tape.
(A) Push
th
e
POWER
BUTTON
@)
.
(B) Set
th
e
TRACK
ELECTOR
KNOB
@ to "
STEREO".
(
C)
Set
th
e
SPEED
CHA:--IGE SWI
TCH
@
to
7½
or
3-3 ·4 as re-
qu
ested.
(0 ) Set
th
e F
UNCT
I0:--1
SW
I
TC
H @
to
'
·STEREO
'
·.
(
E)
Set the
EQUALIZER
SWITCH
® to
7~
2
or
3-3/
4.
Th
e
EQUALIZER
SW
I
TCH
® and
th
e
SPEED
CH
ANGE
SW
I
TCH
@ must
have
th
e
same
setting.
IF) Push
th
e
PLAYBACK
O
TP
UT BUTT0:--1 @.
(G) Set
the
SPEAKER
SWITCH
@
to
"
0:--1
".
Open
the
SPEAKER
REFLECTORS
~ to forty
-fi
ve degrees.
(H) Push
th
e
PLAY
B
UT
TON
@.
(IJ
Adju
st
th
e
VOL
ME
CO:--ITROL
K:\'OB
S
@,@
to
d
es
ired vol-
un
1e.
(J) et
th
e
TO
! E
WITCH
@ to "
FLAT
' or· ·'BAS
S''
as d
es
ired.
Monaural
For monaural playback, s
ub
stitute
th
e following steps for s
tep
s (B)
and
(0 )
of
the
stereo
pro
ce
dure
,
and
follow
the
rest
of
the ster
eo
pro
ce
dur
e.
/BJ Set the
TRACK
SELECTOR
K:-.IOB @
to
"
1-4
"
or
"3
-2
" as re-
quir
ed.
(0 ) Set the
FUNCTION
SW
I
TCH
@
to
"
MO
0 ".
Onl
y
the
le
ft
c
hann
el amplifier is used for
monaura
l playback.
Fig. 7
(ID
1.
TAPE
LOADING
2.
PLAYBACK
F,
g 8
Fig. 9

3.
PLAYBACK
USING
EXTERNAL SPEAKERS
OR
AMPLIFIER OPERATING I
NS
TR
UCTIONS
Fi
g. I I
®
Fi
g.
12
Th
ough
your
AKAi
X.
355 has t
wo
internal
speaker
s,
a
pa
ir
of
either
8.Q or
16.Q
hi
gh
fid
elity e
xt
e
rn
al speakers will
enable
you
lO
enjoy
the
best so
und
r
ep
r
od
uction.
A.
Inse
rt
th
e plugs from the exte
rn
al speakers i
nt0
th
e
LEFT
and
RIGHT
E
XTERNAL
S
PEAKER
J
AC
K
S®,
@.
Wh
en
th
e speaker plugs
are
in the
spea
ker j
ac
ks,
th
e respective i
n.
ternal sp
ea
kers are
inop
erative.
B.
Set
th
e
SPEAKER
S
WIT
CH
@)
t0
"
ON
".
For
ster
eo
play
ba
ck,
th
e e
xtern
al s
peak
ers sh
ou
ld be
se
parat
ed by
at least seven feet (Figure
10
)
If an exte
rn
al st
ereo
amplifier is used for pl
ay
ba
ck,
co
nn
ect
th
e
LE
FT
and
RIGHT
LIN
E O
TP
UT
JA
CKS
@),
I§
t0 th
e Le
ft
and
Ri:-;
h1
Aux
T
ac
ks
of
th
e
Am
plifier (
Fig
ure
1
1).
4.
AUTOMATIC
STOP
(DECK
ONLY)
Th
e
TENSIO
1
ARM
I
is
c
onn
ected
lO
a mic
ro.
switch
th
at a
u10111
a
1.
i
ca
lly s
t0p
s the deck
ii
th
e
tape
s
hould
br
ea
k, pile
up
,
or
pass e
ntir
ely
throu
gh
to
th
e take
up
ree
l.
U
nd
er n
ormal
opera
tin
g
co
nditions.
th
e
a
rm
will be held in the
ap
pr
o
xim
ate position inclicatecl in Figure
12
@.
If
the
arm reaches
th
e positi
on
as shown
in
Fig
ur
e
12
(6),
th
e micro.switch
will function and st
op
th
e d
ec
k.
OPERATING INSTRUCTIONS
S.
AUTOMATIC
SHUT-OFF
(DECK
AND
AMPLIFIERS)
ID]
When
th
e S
HUT.OFF
BU
TTON
@)
is push
ed
in (Fig
ur
e
12
@),
th
e deck @
and
th
e amplifiers are c
onnec
ted
t0
the
TE
I
ON
A
RM
I micro.
switch.
If
th
e tape sh
ou
ld
br
ea
k, pile
up
. or
pa
ss
e
ntir
ely
thr
oug
h to
th
e take
up
reel,
th
e
TENS
IO
N
ARM
I will r
eac
h
th
e
po
sition
shown in F
igure
12
(6)
and
th
e deck
an
d
amp
lifiers will be
turn
ed
off
a
utom
ati
ca
lly.
6.
AUTOMATIC
REVERSE
(METER)
Autom
atic reverse is used for
pl
ay
b
ac
k only. When
th
e meter is used
for a
utom
atic reverse
th
e
X-
355 will ive
co
ntinuou
s la •b
ac
k in
both
direc
ti
ons between any two points ) se ect
e-c.
on t
1e
ta
B,;,
(A) Push in
on
th
e DI
AL
OFF
B
Ur
rON
s
and
r
ota
te it clockwise
until
th
e bl
ac
k index ma rk points s
tr
aig
ht
up
.
(B) Align
th
e
•·
O" on
th
e
TAPE
COUNT
METER
@ a
nd
th
e
reel
index
mark
on
th
e
SE
T
DIAL
with
1h
c bl
ac
k
index
mark
on
th
e
DIAL
OFF
BU
TTON
s (
Fi
g
ur
e 1
3@
)
Thi
s st
ep
estab
li
sh
es
point
A on the tape.
(C)
Adv
ance
th
e t
ap
e,
by
e
ith
er
th
e PLAY BU
TTON
@
or
th
e
FA
S
T.
FORWARD
B
UTTON
@.
As
th
e tape feeds forwa
rd
,
the
TAPE
CO T
METER
@
move
s
cou
nt
er
clockwise as sh
own
in
Figure 1
3(6).
Pu
sh
th
e
STO
P B
UTT
ON
@
wh
en
th
e t
ape
has
ad
v
anced
t0
the
des
ired poi
nt
B.
(D) Rotate
th
e
ET
DIAL
@ until its r
ed
index
mar
k is a
li
gn
ed
with
th
e "0"
on
the
TAPE
COUNT
METER
as
s
ho
wn in
Figur
e 13@.
(E) Push
th
e R
EVE
R
SE
BU
TTO
1 (
Fi
gu
re
13
@)
(F) Using
th
e
REWI
ND
BUTTO
. @, rewind the tape b
ac
k
10
th
e
sta
rtin
g
point
A.
As
th
e tape re
wind
s
or
pl
ay
b
ac
k in reverse, the
TAP
E
COUNT
METER
@ moves clockwise.
The
sta
rt
ing po
int
A is r
eac
hed
when
th
e "
0"
on
th
e
TAPE
COUNT
METER
@)
is a
li
gned with
th
e bl
ac
k index mark
on
th
e
DI
AL
OF
F
BUTTON
@.
(G) Push
th
e PLAY
BUTTON
@.
Th
e
X.355
wi
ll
now pl
aybac
k fr
om
point
i\
to
point
B,
an
d
up
on
re
ac
hing
po
int
B will reverse itse
lf
a
nd
playb
ac
k to po
int
A where
it
will r
eve
r
se
its
elf
ag
ain for
pl
ayb
ack to point
l3.
Thi
s
OPhCiltiOD
,· · ·c , shown in
Fi
ur
c
13
·
S.TQP
Rl!D~
ON
@
is
PliShcd
When the p AY B rr .
13
is
pu
sh
ed
again,
pl
ay
ba
ck will res
um
e in
th
e
fo
rw
ard direction until
reversal
occu
rs at poi
.,t
B.
@
(1)
[Q]

OTE:
NOTE:
When
you desire
the
reverse
playback
operation
by using
the
Tin-foil
Sensing
Tape
,
be
su
re
to
check
and
see
the
Set Dial (A) a
nd
Tape
Counter
Meter (B) is
not
set
within
the
rang
es as shown below
Figur
es I a
nd
2
respectively.
If
th
e
Set
Dial
(A)
and
Tape
Counter
Meter (B) is set
within
th
at
range
ne
ith
er
case
the
rever
se
playback
operation
will work.
(I)
The
red
Ind
ex
Pointer
on
th
e
Set
Dia
l (AJ
is
set
within
the
range
of
"1-0-11"
on
the
Tap
e
Counter
Me
t
er
(B) as s
hown
by
the
dotted
line in
Figur
e
l.
(2)
Th
e
"0"
on
the
Tape
Counter
M
eter
(B) lies
within
the
range
as
shown
by
th
e
dotted
line
in
Figu
re 2.
A
B
DIAL~
c
OFF
~
C
(Fig. I)
-r
I
I
I
I
I
I
A
B
AUTOMATIC
REVERSE
(METER)
(Fig.
2)
\ \ \ \ \
__./'
OPERATING INSTRUCTIONS
In st
ep
(
C),
if
the
PLAY
BUTTON
@ is used
to
a
dvance
the
tap
e, it is not necessary
to
push
the
STOP
BUTTON
@ at point
B.
Ap.
proaching the desired point
B.
perform
teps (D)
and
(E).
In
step
(C),
rotat
e,
th
e
SET
DIAL
@
counter
clockwise
until
its red
index
mark
has slightly pa
sse
d
th
e
"0"
on
th
e
TAPE
COUNT
METER
@.
Th
e
X.355
will begin reverse play as soon as
the
"0"
aligns itself with
th
e
r
ed
index mark. Steps (F)
and
(G)
are
not
necessary, however,
th
e information
co
ntain
ed
th
ere
und
er is a pplicable.
An alternate proce
dure
for
automatic
reverse is
to
let
th
e
graduated
TAPE
COUNT
METER
@
repre
se
nt
2,400 feet of
tap
e.
Approxim
ately
2,3
75
f
ee
t is
the
ma
ximum
le
ngth
of
tap
e
that
can
be
re
ver
sed using
the
TAPE
COUNT
METER
@ Note, as in Fi
gure
13@
and
steps (B)
an
d (D),
th
at
if
there
were
2,400 feet
between
points A
and
B,
th
e
TAPE
C
OU
r T
METER
@
and
the
SET
DIAL
@ wo
uld
be
unable
to
distinguish point A from point
B.
Th
e int
er
vals between
numbers
re
pre
se
nt
200 feet.
Substitute the following for teps (C)
and
(F).
(
C)
Manua
ll
y
rotat
e
th
e
TAPE
COUNT
M
ETE
R @ c
ount
er clockwise until
the
number
that
repre
sents
the
de
si
r
ed
t
ape
footage between
points A
and
Bi
s a
li
gned
with
th
e black in
dex
mark
on
th
e
DIAL
OFF
B
UTTO
@ (Figure 13@ shows 650 fe
et
).
(F) Manua
ll
y
rotat
e
th
e
TAPE
COUNT
M
ETE
R @ clockwise until
th
e "0" is align
ed
with
th
e black
index
mark on
the
DIAL
OFF
BU
TTON
@.
7.
AUTOMATIC
REPEAT
(METER)
Automatic
repeat
is u
se
d for
playb
ac
k in
th
e forward direction only.
Wh
en
the
meter
is
used for
automatic
repeat.
the
X.355
will c
ontinu.
ously repeat the portion
of
t
ape
from point A
to
point B
by
playing
ba
ck in
the
foward direction from point A
to
point
B,
rewi
nding
itself
to
point A and playing
ba
ck
again
to
point B.
Th
e
opera
tion will c
ontinue
a
utomati
ca
ll
y until
the
STOP
BUTTON
@
is
pu
shed.
Wh
en
th
e
PLAY
BUTTON
@
is
pushed
aga
in,
playback
will resume in
th
e forwa
rd
dire
ction until
rewinding
occ
ur
s
at
point
B.
The
procedure for
automa
tic
repeat
is
th
e same as for a
utom
a
ti
c reverse
except
for step (E).
Substitue
the
following for
step
(EJ.
(E). Push
th
e
IlEPEAT
B
UTTO
@ (Figure
13
(i)).

OPERATING
IN
S
TR
UC
TIONS
8.
AUTOMATIC
REVERSE
OR
REWIND
(METALLIC
SENSING
TAPE)
Automatic reverse or rewi
nd
with metallic sensing t
ape
is us
ed
for play-
bac
k onl
y.
Th
e
se
nsing t
ape
me
thod
is convenie
nt
if
th
e tape in use is
too long
to
be meas
ur
ed
by
th
e
TAPE
COUN
T M
ETER
@.
(A)
Pu
sh in on the DIAL
OFF
BU
TTO
N 6
and
rota
te it c
ou
nter clock-
,,
1ise
until
it
pop
s out.
(B) Push
th
e
RE
VE
R
SE
B
UTT
ON
@
or
REP
EAT
BU
TTO
N @
if
re
wind
is des
ir
ed.
This
st
ep
de-
ac
tivetes the
TAPE
COUNT
M
ETER
@.
(C) Splice a two inch piece ol metallic sensing
tape
to
the
en
d or at
th
e
d
es
ired reverse
or
re
wind
point of the
tape
in u
se
. Revesal
or
r
ew
ind
wi
ll
occ
ur
wh
en the metallic sensing t
ape
makes sim4ltaneous
cont
ac
t with
th
e R
EVE
R
SE
PINS ( I ) a
nd
( n) 9 ,
@).
Reverse
(pl
aybac
k) or re
wind
will c
ont
i
nu
e
un
til the
end
of
the
tape
passes
th
e
TEN
SI
ON
ARM
@
and
the
deck is s
hut
off.
Fig. 14
9.
AUTOMATIC
SHUT-OFF
WITH
REVERSE
AND
REPEAT
(A)
If
the
RE
VE
R
SE
B
UTT
O N @ a
nd
th
e SHU
T-
OFF
BUTTO
@ are
both
pu
sh
ed
in,
th
e X-355 will rever
se
at
th
e point
determ
ined
by
th
e T APE
COU
1 T
METER
@
or
th
e metallic s
en
si
ng
t
ape
a
nd
play
ba
ck in rever
se
until the e
nd
of
th
e
tape
pas es
th
e
TE
1
SION
A
RM
@
and
th
e deck a
nd
amp
lifiers
are
s
hut
off.
(B) If the R E
PEAT
B
UTT
ON
@ and
the
SHU
T-OFF
BUTTON
@ are
both
pushed in,
th
e
X-
355 will re
wind
at
th
e point det
erm
in
ed
by
the T APE
COUNT
METER
@ or s
en
sing
tape
until
th
e e
nd
of
th
e t
ap
e passes
th
e
TENS
I
ON
ARM
@ a
nd
the deck and ampli
fi
ers
ar
e
shut off.
(
C)
If
the
REPEAT
B
UTTON
® a
nd
the
R
EVE
R
SE
B
UTTON
@ are
both
pushed in the
rep
eat func
ti
on s
up
er
se
des the rever
se
func
ti
o
n.
(D)
If
the
REP
EAT
BUTTO
@, the R
EVE
R
SE
BUTTON
@
an
d
th
e SH
UT-O
FF
BU
TTON
@ are all push
ed
in, step (B)
app
li
e
s.
10,
MANUAL
REVERSE
OR
REPEAT OPERATING INSTR
UC
TIONS
......_
Fig. 16
®
Fi
g. 15
® Pushing the
MA
UA
L
RE
VE
R
SE
B
UTT
ON
@)
in
th
e c
en
ter
of
the
SET
DIAL@ (
Fi
g
ur
e
15
@) will
pu
t the
X-
355 i
nt
o the reverse (
pl
ayb
ac
k)
or
repeat (rewi
nd
) function anytime be
fo
re
th
e
"0
" on
th
e
TAPE
COUNT
METE
R @ is a
li
gn
ed
wi
th
th
e r
ed
index
ma
rk
on
the
SET
DIAL
@. Manual reverse can also be
acc
omp
li
shed
by
pushi
ng
the
REVER
SE
BU
TTON
on the
remot
e c
ontrol
a
tt
achme
nt
(Fig
ur
e 15@).
In
order
for
th
e
MA
1
UA
L
RE
VE
R
SE
B
UTTON
@)
to function, the
bl
ac
k index
mark
on
th
e
DIAL
OFF
B
UTT
ON
@
mu
st
be
pointing
s
tr
aight
up
(Fi
gure
15
@)
and
th
e
REVER
SE
B
UTTON
@
or
REPEA
T
BU
TTO
N @
mu
st be pushed in.
11.
RECORDING
S
TEREO
-
Conn
ect the
power
c
ord
and load a t
ap
e as sh
ow
n on Page 9.
(A) Push the
POW
ER
BUTTON
@).
(8)
Se
t the
TRACK
SE
L
ECTOR
K
OB
@
to
"
ST
EREO
".
(C)
Set
th
e SP
EE
D CH
ANGE
SWI
TC
H @ to
7-1
/ 2
or
3-3/ 4 as
required.
(D)
Se
t the FU
CT
I
ON
SW
IT
CH @
to
"S
TEREO
".
(E)
Se
t
th
e EQ
UA
LIZER
SW
I
TCH
@
to
7-1/ 2
or
3-3/
4.
Th
e
EQUALIZER
SWITCH
@
an
d
th
e SP
EED
CH
ANGE
SWI
TCH
@
must
have the
sam
e setting.
(F
) Push the
RESET
BUTTON
@ a
nd
set the I
NDE
X
COUNTE
R @
to
"0000".
The
I
NDE
X CO
UN
TER
@ provides a reference for loca
ti
ng
a
posi
ti
on
on
the
tape.
(G)
In
se
rt
th
e micr
ophone
pl
ug
s into the M IC
ROPHO
NE I
NPUT
JA
CKS @,
@.
Mai
nt
ain a distance
of
at
least seven feet between the mi
cropho
nes
(see Figure I6@). Mi
crophone
volume level
may
be
adj
usted and
bal
anced
by
th
e
MICROPHONE
V
OL
UME
CONT
ROL
KN
OB
S
@,
@)
.
Norma
l re
cording
sh
ould
not exceed "0"
on
the
VU
meter
s@). If an
ext
e
rn
al amplifier is c
onne
cted a
nd
in use,
f
eed
back c
an
be
pr
ev
e
nt
ed
by
ad
ju
sting the
VO
LUM E
CO
'-
TROL
K
NO
BS @, @.
1H]

OPERATING INSTRUCTIONS
RECORDING
[j]]
(H) Push eith
er
the
RECORD
O U
TPUT
BUTTON
@)
or
the PLAY- ©
BA
C K O U
TP
T BU
TTON
@ .
If
th
e
RECORD
OUTP
T
13
U
TI
'
ON
@)
is used
and
th
e S
PEAK-
ER
S
WIT
CH @ is "
0'1
",
th
e pr
og
ram so
ur
ce
may
be monit
ored
as
it
is being recorded.
If the
PL
AYB
AC
K O U
TP
T
BUTTON
@ is used
and
the
SP
EA
KER
S
WIT
CH @ is "O N",
th
e
recorded
signal wi
ll
be
mon
i-
t0red
as
th
e tape passes
the
playba
ck h
ead.
Th
e vol
ume
may
be
controll
ed
by
th
e
VO
LU
ME
CONT
ROL
K
NOBS
@)
,
@).
@
(I) Push t
he
PLAY
13
TTO
N
@.
(J) Push the
RE
CO
RD
S
AFETY
13
UTr
O N
@.
T
he
R
ECORD
SAFETY
13
TI
' O N @ is e
quip
ped
with
the
R
ECO
RD
SAF
ETY
LO
C K I
to
pr
eve
nt
inadv
e
rt
en
t er
asure
ol
r
eco
rd
ed
tap
es.
Turn
the
RECO
RD
S
AF
E
TY
LO
C K @ clockwise
unti
l its red mark
is
aligned with the white
mar
k on the r
eco
rder.
(K)
Chec
k
that
th
e
RE
CORD
I
NG
I
ND
I
CATO
R LIG
HT
2 is on.
If the light
is
no
t on,
th
e X-355 will not record.
(L) Push t
he
STO
P
13
TTO
N@
to
s
tep
recording. ©
...,.
......
-
....,,..
To resume recording, the
PLAY
BU
TI
'O N @
and
the
RE
CO
RD
S
AF
E
TY
BU
TTON
@ must
be
dep
ressed again.
MO
NAURAL-
F
or
mon
a
ural
recording, subst
itut
e the following s
tep
s
for steps (B)
and
(G)
and add
st
ep
(M). Follow
th
e rest
of
th
e st
ereo
procedure.
(B) Set the
TRA
C K S
ELEC
T
OR
K
NO
B@
to"
1-4"
or
"3
-
2"
as
requir-
~-
m
(G) Inse
rt
th
e
microphone
plug
int0
the
LEFT
M IC
ROPHO
NE
INPUT J
AC
K@.
Onl
y the left
amp
lifi
er
is
used
fo
r mona
ural
r
eco
rding.
(M)
Turn
the t
ape
reels over to record on
tr
ack 4
or
track 2 as
app
li
cab
le.
If
th
e so
und
sources are so far fr
om
t
he
microphone
s t
hat
the
M ICR
OP
H
ONE
V
OL
U
ME
CO
'ITROL
S
@,@
mu
st
be
turn
ed
up
high, some
hum
may
be
i
nt
roduced
.
To
avoid recording the
hu
m, att
ac
h a gr
ou
nd wire to the deck.
12.
RECORDING
FROM
DISCS OPERATING
IN
STR
UC
TIONS
To
rec
ord
from a stereo
or
monaura
l disc, a C
RY
TAL
PICK-
UP (
0.5-1
vo
lt
)
or
a C
ERAMI
C P
ICK-UP
may
be
connec
ted directly to
th
e
Li
l E I
NPUT
JA
C KS
®,®
in
s
tep
(G)
of
the
recording
procedu
re. If a
MAGNET
IC C
ARTRIDG
E
is
used, it
mus
t be co
nne
cted
t0
a
s
eparate
pre-amp
lifi
er
or ext
erna
l
amp
li
fi
er before being
co
nnect
ed
t0 the X-355
LI
NE
INP
UT
JA
C KS
®,®
·
VU
level
is
c
ont
rolled
with
the LINE
VOL
M E
CONTROLS
@,@
.
13.
RECORDING
FROM
AN
EXTERNAL AMPLIFIER
lf
an . . ner-
ampl
ifier c
ombination
is used(
co
nn
ec
t t
he
TAP
E
OUTP
UT
l
ea
ds of
th
e e
xt
e
rn
al
amp
li
fie
r
to
the
LINE
tRE-
RE
COR
DED
TAP
E
G
of
the r
eco
rdin
pro
c
edure.
VU
level
is
co
ntr
o
ll
ed with
th
e
LI
NE
V
OL
U
ME
CON
T
ROLS
@,@
. T
he
1at c
an
be selected
on
the e
xt
erna
l a
mp
li1er.
Fi
g. 17
14.
RECORDING
FROM
ANOTHER
TAPE RECORDER
If a
noth
er
X-
355 is used, c
onnec
t the
LIN
E
OUTPUT
J
ACK
@)
, @ ol
the pl
ay
b
ac
k
ma
chine to the
LI
NE 11 PUT
JACKS
@, ®
of
the rec
ord-
ing m
ac
hine in step (G)
of
th
e reco
rd
ing
proced
ure (Fi
gure
17
a
).
If
one
of
the
AKA
i M-series
record
ers
is
used
as
a
playbac
k m
ac
hine,
c
on
n
ect
its sp
ea
k
er
jack
s
tO
th
e L IE I
NPUT
J
ACKS
@.
@)
of
the
X-
355
in step (G)
of
the
recording
procedure
(F
igure
17
b).
VU
level is controll
ed
with
th
e LINE
VOLU
M E
CO
NTROLS
@,@
.

OPERATING INSTR
UC
TIONS
15.
MONITORING
Ill)
St
ep
(H)
of
the recording procedure describes monitoring.
If
a set
of
stereo
headphone
s is used they sh
ould
be
of
the
low i
mpedance
type,
pr
efer
ab
ly 8 ohms.
If
the h
eadp
hones have two sepa
rat
e plug
s,
insert them in the
EXTE
R
AL
SP
EAKER
JACKS
@),@.
The
PEAKER
SWITCH
@
mus
t be '·
ON".
If
the h
eadpho
nes h
ave
only
one
plug in
se
rt
it
in
to
the
STEREO
H
EADPHONE
JACK
@
The
SPEAKER
SWITCH
@ m
ay
be
"0 1
"o
r "
OFF
". Monitoring procedures are the same for recording
or
playbac
k.
16
. REVERBERATION
(AJ
Set
the S
PEAKER
SWITCH
@ to "
0FI'
".
(B)
Pu
sh in
th
e
RECORD
O
UT
P
UT
B
UTTON@)
and
the P
LA
y _
BACK
OUTPUT
BUTTO
@.
(C) Confirm th
at
there
are
no
co
nnec
ti
ons to the
Li
t E
INPUT
JACKS
®,@.
!D) Insert
th
e mic
rophon
e plugs
into
t
he
MIC
RO
P
HO
NE
JA
C
KS
@,@.
(E) A
djus
t the M IC
ROPHO
E
VO
LUME
CONTROLS
@,@
10
the
proper
level on the
VU
meters.
F
ig.
18
Direction or tape
~
MI
C~
(F) Increase the
LI
NE V
OL
U
ME
CONT
ROL
S
@,@
to
appro
xi-
m
ate
ly
ma
xim
um
.
MI
C.
VOLU
ME
(G) Push the
PLAY
B
UTTON
@
an
d the
RE
CO
RD
SAFET
Y
B
UTTON@.
~!
------
,
I
The reverberation level
may
be
contro
ll
ed
by
the LI
NE
V
OLUME
CONTROLS
@,@).
VOLUME
I
.---
---,
,,..-,
L~
~~~L1"~:.
~--{
V.
U)
L
____
I
,_
.,.
Reverb
era
tion r
eco
rdin
g
ca
n
be
made
monaura
lly
or
in stereo.
Fig.
19
@
L
IN[
VOLU
M[
..
17.
SOUND
ON
SOUND
•
i r a
-1
.,...-,,
---
.._
____________
,M
ONl!Oltl---r/
VU
I
(
H[~'f50~
t
~f0
(~~~£~/
(0
"{/
PHONE
r07
; 1---,
-
1;'.~~t
--
\
vu_)
~-
----
-
--
---
-...J
(P
8 MONITOR)
..__
S
OUND
ON
SOUND
SC
H
EMAT
IC
REVE
R
BE
R
AT
I
ON
SCHEMAT
IC
OPERATING INSTR
UC
TIONS
First Recording
(A) Set the SPEAK ER
SWITC
H @
to
"
OFF
".
(B)
Confirm
that
there
are
no c
onn
ections
to
the
LI
NE
INP
UT
JACKS
®·®·
(C)
Set
the
TRACK
SE
L
ECTO
R K N
OB
© to "1 -4" for recording on
track
I.
·
(D) Set
the
FU
CT
I0
1
SW
I
TCH
@I
to
"
STE
R
EO".
(E) Inse
rt
the
microphone
pl
ug
in
the
LEFT
MI
CRO
PH
0 1 E
JACK
@.
(F)
Adju
st the
LEFT
MICROPHONE
VO
L
UME
CO
TROL
@ to
th
e
prop
er
level on
th
e
VU
meter.
(G) Push the
PLAY
B
UTT
O
N@
and
the
RE
CORD
SAFETY
B
UTTON
@
and
make
the
fir
st
rec
ord
ing, i.e. Do-Re-Mi.
(H)
Wh
en the first recordi
ng
is complete, rewind
th
e
tape
to
the
start
ing
posi
ti
on.
Second Recording
(I)
Con
fi
rm th
at
th
e
RECORD
OUTPUT
BUTTON@)
and
t
he
PLAY-
BACK O U
TP
UT
BUTTON
@ are b
ot
h in the
OU
T position.
(J) S
et
th
e
TRACK
SE
L
ECTO
R
KNOB
© to
"3-
2"
for recording on
track 3 while
li
stening
to
tra
ck
I.
(K) Increase the L
EFT
LINE
V
OL
UM E
CONTROL@
to
approxi
-
mately maximum.
(L)
Connec
t
the
stereo headphones
to
moni
tor
the
first recording on
the
left cha
nn
el {
tra
ck I).
(M) Push
th
e
PLAY
B
UTT
O @ a
nd
the
RECORD
SAF
ET
Y
BUTTON
@.
T
he
first re
cord
ing
wi
ll
be
heard
th
rough
the
headpho
nes.
(N) Reset the L
EFT
LI
NE
V
OL
UME
CON
TROL
@
to
the
proper
level
by
watch
ing the left channel VU
meter
.
(0 ) After
the
reset, rewind the t
ape
aga
in to
the
s
tart
ing poin
t.
(P) Push
th
e
PLA
Y B
UTTON@
and the
RE
CO
RD
SAFETY
B
UTTON
@.
Th
e second recording, Mi-Fa-Sol,
is
made
on
trac
k 3 as t
he
first
recording, Do-Re-M
i,
is moni
tored
in the h
eadp
hones.
The
two wi
ll
be
comp
letely merged
on
t
rack
3, i.e., (Do-Re-Mi,
Mi
-Fa-Sol).
(Q )
Th
e third and s
ub
se
qu
ent
recordings
are
made
the same as
the
second by switching
th
e
TRACK
SE
LE
CTO
R
KNOB
© to "
1-4
",
"3-2"
et
c.

OPERATING
INSTRU
CTIONS
18.
SOUND
W
1TH
SOUND
To
rec
ord
s
ound
with
s
ound,
s
ubstitute
th
e following step for ste K
(K) Decrease
th
e
LEFT
LI
E
VOLU
ME CO
TROL
"""
~
\ )
of
th
e s
ound
on s
ound
pro
ced
ur
e a
nd
elimi
na
te st
ep
(NI
~
to
n1mImum.
··
19
.
FAST-FORWARD
AND
REWIND
To
use f
as
t-forward
or
rewind,
pu
sh
th
e
FA
T-FORWi\RD
BU'
l7
'
0"i
@ or
th
e R
EW
I
ND
B
TTON
@.
.
wn
to
·ee
the ta e
off
th
ePull the
LOWER
H
EA
D
COVE
R @
do
k
20.
TAPE
SPEED
CHANGE
To s
el
ec
t
th
e desir
ed
t
ape
speed, use
th
e
SPEED
C
HA
I
GE
SW I
TCH
3
,n the center
of
the
pan
e
l.
For
hi
gh s
peed
t
ape
dupli
cation, 15
ip
s
c~
be sel
ec
t
ed
by a u
ac
h
i_
ng the ext
ra
caps
tan and pinch wh
ee
l c
ont
ained in
the sta
nd
ard access
on
es.
21.
HEAD CLEANING
hour
s
of
ope
ration,
th
e
head
s
wi
ll
acc
um
ul
at
e s
ma
ll
quan.
Fig.
20
Fi
g.
21
@
OPERATING
INSTR
UCTlUN:;
22,
HEAD
DEMAGNETIZATION
orma
lly, in all
tape
recorder
s,
th
e he
ads
will
become
sli
ght
ly magnetiz.
ed. A sl
ight
ly
magneti
zed
head
will
partially
erase a r
ec
ord
ed t
ape
with
high fre
quen
cies s
uff
ering
th
e gre
at
est losse . SeYereJJlagnetiz
at
i
or
u
wl,
re
s
ult
if
ma
gn
etized tools are u
se
d
in
the
yjs
jpjJX
of
IbS
h
52
ds
.
Th
e
X-355 has a
built
in
h
ea
d dem
ag
netiz
in
g circuit ;
how
eve
r,
pe
r
io
dic
de
-
ma neti
za
tion
with
a dema netizer is still r
ec
omm
e
nd
e . After removing
the
LOWER
HE
AD
COVER
@,
th
e h
ea
ds
ca
n be dem
ag
netized
by
tou
c
hin
g
th
e h
eads
lig
htl
y
with
th
e dem
ag
netizer a
nd
making sma
ll
c
ir
cular
mot
i
on
s over
th
e ent
ir
e h
ea
d
urfa
ce and h
ead
hou
si
ng.
Fig. 23
23.
TRANSISTOR PROTECTION
T he S. E. P. P. 0 .
T.
L. system is used
to
prot
ec
t
th
e
outpu
t c
ir
cui
tr
y of the
X-
355 main a
mpl
i
fi
er
s.
Th
e
minimum
out
p
ut
im
pedan
ce
should
be 8 ohms. If a speak
er
of less
th
an
8 oh
ms
im
pedance
is used
or
if
th
e
spea
ker te
rmin
als are
acc
ide
nt
ally s
hort
ed,
th
e pr
ot
ec
tor
fu
se will blow
to protect
th
e
tr
ansis
tor
s.
T
ra
nsi
sto
rs
are
eas
il
y d
amage
d by excessive l
oa
d
or
high a
mbi
ent tempera
tur
es.
If
th
e
pr
otector fuse h
as
bl
own,
the
sound
may
be
di
sto
rt
ed
or
t
here
may
be no so
un
d at all.
Th
e p
ro
t
ec
tor
fu
se m
ay
be r
ep
l
ace
d
with
any suitable c
omm
er
cia
l
IA
fuse.
24.
VENTILATION
Th
e ventilation syst
em
of
th
e X-355
is
design
ed
to pr
eve
nt
internal
acc
umul
ation of excess h
ea
t
th
at would s
hort
en
th
e life of
th
e c
ompon
e
nt
part
s.
It
is
reco
mm
e
nd
ed
th
at
th
e X-355
be
pl
aced
so that air m
av
c
ir
culate
fr
eely
ar
oupd
if
·

ill ACCESSORIES
1.
ACCESSORIES
OPTIONAL
Extension Arms for
10
-1/2• Reels No. EA-10
Long hours
of
recording
and
playback
can
be
made
uninterruptedly
by using the Accesso
ry
o. EA-10 extension
arms
with
10- 1/ 2" reels.
The
foregoing recording
or
playing time
may
be
extended
twi
ce
as
much as using 7- 1/ 2
11
tape. 10- 1/ 2"
empty
reels
and
recording
tape
will
be
available
by
optional accessories.
Remote Control Unit No.
RC-11
All oper
at
in
g functions
of
t
he
Model X-355 reco
rder
ca
n be
con
tr
o
ll
ed
remotely
by
using
the
Accessory No. RC-I I remote control unit
wi
th
10
feet long
ca
ble. (If long
cab
le is requested may
obtain
through
our
authorized
distributor.)
Condenser Microphones, No.
CM-15
Akai's very latest high fidelity microphone
is
designed for
the
profes-
sional
and
Hi-Fi enthusiast.
Thi
s
unit
consists
of
a microphone
and
pre
-
amp
lifier,
and
permits simultaneous use
of
two microphones for
stereo purpose.
Frequ
ency respon
se;
50
to
15,000
Dynamic Microphones, No.
DM
-13
Although
compact,
e
xtremely
high
qu
ality
dynamic
microphones.
They
are
guaranteed
to give complete satisfaction
to
the
most
crit
ical
audio
enthuasist
and
professional users.
Frequency
response; 50
to
12.000
--
---
CM-15
DM-13
ACCESSORIES
OPTIONAL
-----------
ACCESSORIES
AS-3
AM-4P
AH-6
Tape Splicer No. AS-3
This
Ta!'<: Splicer is a small pocketable device
and
not only
provid
es
easy spltc
mg
but
also preserves
th
e original
quality
of
recording.
Monitor Earpone Nos.
AM
-4
& AM-4P
Th_e
Monitor
E
arphone
is
used both
for
re
co
rding
and
playback. It
is
qu1te useful mon1tonng
programs
being
re
corded on
tape
D .
pla b k · I · ·
un
ng
y.
ac
'.
JUSt_
p uggmg it
into
the
recorder's
Speaker
Output
J
ack
will
:ro~id
e
hS
te
mng
to high fidelity s
ound
without
disturbing
the others.
high
impedance
crystal type
in
two
different models
is
available
as shown m
Pi
ctures. 1
Head Demagnetizer No. AH-6
I
ormally
.
the
steel pole pieces which form a
part
of
the
tape
heads
become sl
1g
htli
magnetized.
The
effect
of
the
s
l1
·ght . .
• . magnet1zat1on
is
to partially erase
the
tape
(wi
th
high
frequen
cies suffering
mo
st
A penod1ca_l application
of
the H
ead
Demagnetizer
is
the
best way t!
keep the
ongmal
quality
of
the
tapes
The
AH
6
has
b
·1
. ff
switch
and
a neon bulb. . - a
u1
t-m
on-o
Telephone Pick-up No. AP-2
Thi~
is
designed to record tele
phone
co
nversa1ions with
clarity
and
_sensi
tiv
it
y.
Adju
st press
on
to
the
back
of
the
rubber
suction c
up
holds
the
Pic
k-Up
in positions.
maximum
telephone,

ACCESSORIES
ACCESSORIES
OPTIONAL
Tape Eraser No. ATE-7
This
unit
erases
any
previously
recorded
mat
erials
comple
tely
in
a few
seconds
and
accomodates
tap
e reels
from
3" to 7
-1
/2"
in
diam
ete
r.
It
is
designed
to
pr
ovide
ma
x
imum
eras
ing
effic
ien
cy.
Ha
s a pop
.up
sh
aft
to
hold
the
tap
e reel
in
position a
nd
also serves as a power switch
and
o
n.off
bulb
indicator
of
th
e
unit.
ATE -7
Stereo Headphone No. ASE-9S
In or
der
to
enjoy
tru
e ster
eo
phoni
c effects w
ith
the
Aka
i
tape
r
ecor
der,
th
e
Stereo
H
ead
ph
ones ASE-9S is r
ecommendab
le.
Head Cleaning Kit, No.
HC-500
H
EAD
CLEANE
R proves
its
value
whe
n
us
ed
to
w
ip
e
off
the
br
own-
i
sh.red
ox
i
de
powders
that
acc
umulat
e
on
b
oth
the
head
assembly
and
pin
ch
wh
eel.
Sinc
e these
powders
pr
even
t
high
fr
e
quen
cy
response,
we
ar
e reco
mm
e
ndabl
e
to
use
adeq
uat
e
head
cleaner.
AKAi
Magnetic
Tape
& Tape Reel
AKA
I M
agnet
ic
Tape
AKA
I
Tap
e Reel
AT-5S (600 fe
et
)
ATR-5
(for 5
")
AT
-7S (1200 feet)
ATR-7
(for 7")
AT-l0S
(2400 feet)
AT
-5L
(900
feet
)
AT
.7
L (1800 feet)
AT.I0L
(3600 feet)
2.
ACCESSORIES SPEAKERS
• • ASE-9S
HC-500
MAGNETIC
TAPE
TAPE REEL
ACCESSORIES
The
following st
ereo
sp
ea
ker system Model SS.110
and
SW.130
are
specially designed
to
match
imp
eda
nce to Akai's stereo
tape
recorders
and
to
ob
t
ain
the
best result.
You
will always be
ab
le to
derive
true
Hi.Fi
sound
re
pr
od
uction
w
ith
th
e
co
mb
i
nati
on of
the
SS.1
10
or SW-130
and
any
Aka
i
Ster
eo
Tap
e
Recorder.
MODEL
SS-110
Speaker
I
mpedan
ce
Max. Power I
nput
Fr
equency R
ang
e
Dim
ensions
Weig
ht
10"
coax
ial (with
bu
ilt.in
3-
1/ 2"
tw
ee
ter
)
8 o
hms
10
wa
tt
s
50~ 17,000 cps
20.l/
8"
W x 19;' H x 15-3/ 4"0
35.3
lb
s
MODEL
SW-130
Speaker
I
mp
e
danc
e
Max.
Power In
put
Frequ
en
cy
R
ange
Dim
ensions
Weig
ht
12" Wo
ofer
&
3-½"
Twe
eter
8 o
hm
s
25
wa
tt
s
50~
18
,000cps
l
6.
l/ 2"W x
22-1
/ 2"H x l2. l/ 8"D
28.9
lb
s.
3.
ACCESSORIES
STANDARD
7" De
monst
r
ation
tap
e•
......
•········..
......
...
7"
Au
tomatic Re
el
•••••••••••••..•·
•·
,
...
,
...
..
..
Reel
Hold
er
......................
....... 2
-
•)
15
ips.
Adaptor
Kit
...
.
....
....
.....
........
.
....
I
Sp
are
Fuse (IA
)•
·
.................
,......
2
X-355
Operator
's M
an
ua
l
•·
.............
.. •.. I

IV
LU
BLI
CATION C
HART
FOR
X-355
LUBLICATION
POINTS
Price
¥
360.00
us
$
1.00
IND
EX
COUNTE
R
Main rnotor· ..
·······
·•replace two
bearing
Left
and
right rnotors•·•replace a bearing
I
mpedance
Raller•·•replace a two
beaing
Cap
st
an
shaft
·••··········
·
········
····
•2
drops
Pin
ch
wheel shaft
············
·
······
··2
drops
elect
or
•·······························•l
drop
FLYWHEEL
MANUFACTURED
&
DISTRIBUTED
BY
AKAi
ELECTRIC CO.,
LTD.
AKAi
TRADING
CO.,
LTD.
12
,
2-chome,
Higashi-Kojiya,
Ohta-ku,
Tokyo,
Japan
PHONE,
Tokyo
741-1426
~ 9
Print
ed
in
J ap
an
22967108
Other manuals for X-355
1
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Other Akai Amplifier manuals