Technics SEA 5 Mk2 Service Manual

Page 1

ORDER NO. HADB4062732C9

ervice Manual

Computer Drive New Class A Amplifier
Stereo DC Power Amplifier S E A5 M K2
Color
mm ......wsmwm (K) . . . Black Type
Color Areas
(K) [D] ..... Scandinavia
(K) [EW] .... Switzerland
(K) [EK] .... United Kingdom
(K) [EF] .... France
(K) [XA] .... Southeast Asia,
Oceania, Africa,
Middle Near East
and Central South
America.
(K) [PE] . European Military
(K) [PA] -". Far East PX
(K) [XL] .... Australia
' (K) [Ei] ltaly
Please use this manual together with the service manual for it; (EH1) .... Holland
EB .... Belgium
Model No. SE-A5MK2 [M] , Order NO. HAD84032731C1. (K) [PC] ... . European Audio Club
(K) [EGA] ... F.R. Germany
SPECIFICATIONS
(DIN 45 500) Residual hum and noise 013 mV
Damping Iactor 50 (40), 100 (80)
I AMPLIFIER SECTION Input sensitivity and impedance 1 V/47kQ
S/N 108 dB (121 dB, IHF, A)

20 Hz~20 kHz continuous power output

both channels driven 2 X 150W (80)
2 x 150w (40)
40 Hz~16 kHz continuous power output
both channels driven 2 X 150W (80)
2 x 150w (An)
1 kHz continuous power output
both channels driven 2 X 150W (80)
2 x 150w (40)
Total harmonic distortion
rated power at 20 Hz~20 kHz 0.002% (SQ)
0.002% (40)
rated power at 40 Hz~16 kHz 0.002% (80)
0.002% (40)
rated power at 1 kHz 0.002% (80)
0.002% (40)
half power at 20 Hl~20 kHz 0.001 /n (40)
halt power at 1 kHz 0.0005% (40)
726 dB power at 1 kHz 0.001% (40)

50 mw power at 1 kHz 0.001% (40)

lntermodulatlon distortion

rated power at 250 Hz: 8 kHz=4:1, 40 0.002%
rated power at 60 Hz: 7 kHz=4:1, SMPTE, an 0.002%
TIM unmeasurably small

Power bandwidth
both channels driven, 73 dB T.H.D. 0.01%
5 Hz~100 kHz (40)

MC-Service

Technics

Frequency response
DC ~20 kHz, +0 dB, 70.1 GB
DC N150 kHz, +0 dB. *3 dB
Channel balance, 250 Hz~6,300 Hz t0.5 dB
Channel separation, 1 kHz 60 dB
Headphones output level and Impedance 800 mV/saon
Load Impedance

MAIN or REMOTE 4Q~1SQ
MAIN and REMOTE 80~160
Meter

0.0001 W~300 W (80)
760 dB~+5 dB
(logarithmic compression)
Irequency response (reading accuracy)
20 Hz~20 kHz t2 dB (more than #50 dB)
20 HZNZO kHz :3 dB (less than ~50 dB)

reading range

I GENERAL

Power consumption 950W
Power supply AC 50 HZ/60 HZ, 110V/120V/220V/240V
Dimensions (WXHXD) 430 X 178 x 416 mm
Weight 18.4 kg

Note:
Total harmonic distortion is measured by the digital spectrum
analyzer (HP. 3045 system).

Specifications are subject to change without notice for
further improvement.

Panasonic Tokyo
Matsushita Electric Industrial 00., Ltd.
1 2, Irchome. Shibakoen. MlflaIOVKU, Tokyo 105 Japan

Matsushita Electric Trading 00., Ltd.
P 0 Box 255. Central Osaka Japan