SPECIFICATIONS
PMA-770
POWER AMPLIFIER SECTION
Circuit Type:
Rated Output Power:
All stage direct DC servo circuit
Both channel drive
tt,"($Lzt$Hz
100 W
+
100
W
(DIN, U.K.. EUROPE. U.S.A.)
1 kHz
(4 ohm Load) 150 W
+
150 W (DIN, U.K., U.S.A.)
1 kHz (4 ohm Load) 50 W
+
50 W (IEC)
(Subject to change by temperature test)
Total Harmonic Distortion:
0.008%
(20 HZ
-
20 kHz at -3 dB rated output 8 ohm Load)
0.02% (20 Hz
-
20 kHz at rated output 8 ohm Load) (U.S.A.)
lnlarmodulation Distortion:
Below 7
kHz I60 HZ
:
114
0.002% (at amplitude output
equlvalent to rated output)
Output Band Width:
5
tiz
-
100 kHz UHF THD 0.035%)
Transmission Characteristicr:
lnput Sensilivity:
Input Impedance:
Output Impedance:
Output Terminals:
EQUALIZER AMPLIFIER SECTION
Equalizer Amplifier Output:
lnput Sensitivityllnput Impedance:
RlAA Deviation:
,
OVERALL CHARACTERISTICS
SN Ratio (IHFA Network):
Tone Control
~djustabli Range:
Filtering
Charxtaristicr
Loudness Characteristics:
AC OUTLET:
(For U.S.A.
and Canada)
POWER SOURCE:
POWER CONSUMPTION:
DIMENSIONS:
WEIGHT:
1 Hz
-
250 kHz
+:
::
(at 1 W output)
150
mV
47 k ohm
0 08 ohm (1 kHz)
Speaker: A and
B Load 4
-
16 ohm
A+
B Load8- 16ohm
HeadphonelStereo
headphone
Maximum Output:
10 V (at 47 k ohm Load)
Rated Output: 150
mV
Total harmonic wave distortion: below 0.002%
(at
1
kHz. 8 V output)
PHONO-1. 2 MM 2.5 mV 47 k ohm
MC
125pV lWohm
TUNER 150 mV 47 k ohm
AUX. TAPE 150
mV 47 k ohm
PHONO-l;2 MM within i0.2 dB (20 Hz
-
100 kHz)
MC within
t0.2 dB (20 Hz
-
100 kHz)
PHONO-l:2 MM 90 dB (input terminals short-circuited
lor 2.5
mV input)
MC
73 dB (input terminals short-circuited
for 250
pV input)
TUNER. TAPE. AUX:
110 dB (input terminals short-circuited)
BASS 100 Hz
i8 dB
TREBLE
10 kHz i8 dB
SUBSONIC 18 Hz, 6 dBloct
Low frequency
100 Hz
+
7 dB
High frequency
10 kHz
+
6 dB
SWITCHED x 2, 100 W (Total)
UNSWITCHED
x
1. 250 W
Germany and France AC 220
V. 50 Hz; U.K. AC 240 V. 50 Hz;
U.S.A. AC 120 V, 60 Hz; Hong Kong AC
200V. 50 Hz
270 W
1U.S.A.); 400 W (IEC); 290 W (Hong Kong);
800 W
Maxlmum Output
434 mm
(W) x 132 mm (HI x 407 mm (D)
(including rubber feet, control knobs, and terminals)
12 kg
Design and specifications are subject to change without prior notice.
NOTE: The following code correspond to the appropriate models.
E2 lor
Enrope EF for France, EK for U.K.. €3 for U.S.A., E3 for Canada and El for Hong Kong, Singapore.
This Service Manual is prepared based on PMA-770
E2.
SPECIFICATIONS
PMA.750
POWER AMPLIFIER SECTION
Circuit Type:
Rated Output Power:
Toul Harmonic Distortion:
Intermodulation Distortion:
Output Band Width:
Tnnsmirrion Chancterirticr:
lnput Sensitivity:
lnput Impedance:
Output lmpedance:
Output Terminals:
EQUALIZER AMPLIFIER SECTION
Equalizer Amplifier Output
lnput Senritivityllnput Impedance:
RlAA Deviation:
OVERALL CHARACTERISTICS
SN Ratio (IHFA Network):
Tone Control Adjustable Range:
Filtering Charxteristics:
Loudness Characteristics:
AC OUTLET:
(For U.S.A.
and Canada)
POWER SOURCE:
POWER CONSUMPTION:
DIMENSIONS:
WEIGHT:
Design and specificatio
All stage direct DC servo circuit
Both channel drive
~~,"(~oL~~~Hz
80 W
+
80 W (DIN. U.K., EUROPE. U.S.A.)
1 kHz
(4 ohm Load) 100 W
+
100 W (DIN, U.K., U.S.A.)
1 kHz
(4 ohm Load) 50
W
+
50 W (IEC)
(Subiect
to change by temperature test)
0.008% (20 Hz
-
20 kHz at
-3
dB rated outwt 8 ohm Load)
0.02% (20 Hz
-
20 kHz at rated output 8 ohm Load) (U.S.A.)
Below 7 kHz
I60 Hz
:
114 0.002% (at amplitude output
equlvalent to rated output)
5 Hz
-
I00 kHz llHF TIiD 0.035%)
1 Hz
-
250 kHz
z:
::
(at 1 W output)
150
mV
47 k ohm
0.08 ohm (1 kHz)
Speaker: A and 8 Load 4
-
16 ohm
AtBLoad8-16ohm
HeadphonelStereo
headphone
Maximum Output:
10 V (at 47 k ohm Load)
Rated Output: 150
mV
Total harmonic wave distortion: below 0.002%
(at
1
kHz, 8 V output)
PWONO MM
2.5 mV 47 kohm
MC 125pV 100 ohm
'
TUNER 150 mV 47 k ohm
AUX, TAPE 150
mV 47 k ohm
PWONO MM
withln i0.2 dB (20 Hz
-
100 kHz)
MC
withln
fO
2 dB (20 Hz
-
100 kHz)
PHONO MM 88 dB (input terminals short-circu~ted
for 2 5 mV lnput)
MC
72 dB (input
term~nals short-circuited
for
250 pV Input)
TUNER. TAPE. AUX:
110 dB llnput
terminals
short-c~rcuited)
BASS 100 Hz i8 dB
THEBLE
10 ktiz i8 dB
SUBSONIC 18 Hz, 6 dBloct
Low frequency
100 Hz
+
7 dB
111gh frequency
10 kHz
+
6dB
SWITCHED x 2, 100 W (Total)
UNSWITCHED x
1. 250 W
Germany
ar@ ~ran;e AC 220 V. 50 Hz; U.K. AC 240 V. 50 Hz;
US A. AC 120 V. 60 Hz;
tiong Kong AC 200V. 50 Hz
230 W (US
A,); 400 W IIECI; 200 W (Hong Kongl;
680 W Maximum Output
434
mm (W) x 132 mm (HI x 407 mm (D)
(~nclud~ng
rubber feet. control knobs. and term~nalsl
12 kg
ns are subject to change without prior notice.
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