Marantz SUPERSCOPE CD-320 - 5 B-15 Playback Frequency Response Measurement; 5 B-16 Record-Playback Output Level Measurement (at LINE OUT)

cD-320
5&15
Pl.yb.ck
Fr.quoncy R.3ponr!
M.â,urômcnt
SET UP
.
50/60
Hz AC
voltage r.têd lor the
unit
to
bê
used in a
mârker country.
.
DC6V
2. EOswitch
position:
120,1S,70rrs
3. Ourput terminâl: LINE Ourput
4. Tên tape
llsed: MTT-Il6U
(120!S)
MTT.Ir6K
{
70lrsl
?ROCEDUB€S
'L
Pl.y
ûe
ter tape MTT-r16U and
MTT'|16K back.
Ler the 31.5 Hz and 14
kHz outpui level b€ 0 dB
ô!
rêference level.
2.
Reôd
the
31.5 H: to
14 kHz
outpul
leveldifferences
trom the 315 Hz 0 dB
reference level.
3. Pro.e€d both
for
the
right and lelt chânn€le
in the
4. For ths above
meôsurenEnt, us€ thê te$ tôpê
MTT'
I l6U
for
the
EO 120
gS
position
ônd
MTT l l6K
lor the
EO 70
lrs
position.
CAUTIOiI
Since the te3t
tâpes ussd
may involve 3am€
h€ad
azimuth
difterence, lhs
he.d
azimuth
thould be
corrected ai rh€
highen lrêquency ol €ach tert
tâpe
befor€ measuremcnl,
STA]IOARO
In
r€ference îo rhe 315 Hr, 0 dB
signal output
lsvê|,
+4to
4ât40Hz
+4
to
-6
at 12.5
kHz
5B-16 Rlcord'Playb.ck Output Lsr€l
M..tursrmnt
{.r
LlirE OUTI
SEl UP
.
50/60 Hz AC voltage
rated for
rhe unit to b€
uæd in â
mârket
counùy.
.
DC6V
2. Input: I kHz, 60 dB sisnal
3. Loâd: Meâsuring
instrumênr input impedance
4.
Lèvel
conùol
position:
SRL
lor recording opera-
5. TAPE selector switch
position:
NORIVAL, CrOl
and
Fe.Cr
6.
Meâsu.ing output terminal' LINE OUT
7. Cassêtte tape used: TDK AC21l,
AC5ll
and
soNY cs,30
PROCEOURES
L Record the 1 kHz,
_60
dB signâl in the normal
2. Rewind the recorded
part
of tape and
play
it
back. Fead
the VTVlvl
indication.
3. P.oceed
for
the
NORMAL'
CrO,
and F€-Cr
posi-
tionr each
in
the
same mânner.
4. Proceed boih for the right ând
lett
channelr
in
the
STAt{OARDS
1.
NORIVIAL
posirion:
560 mV
12
dB
2. CrO,
poriîion:
560 mV
12
dB
3. Fe-Cr
positionr
560 mV
12
dB
!
t
-