Sony ta n 8250 service manual

Page 1

in

USA Model

SPECIFICATIONS

POWER AMP SECTION
Power outputs:

2 cH Monaural
1sow+1aowlsn LOW 350 WIA :2, now/2n
_ 250w+2sowmn H|GH anew/ism, asowlan
CON'HUOUS at 1 kHz, both channels a: 1 kHz
MS vowe' driven simultaneously
output:
"md cum) 150w+150wlan LOW wow/an. wow/2:2
200 w+ 200 WM 51 HIGH 350 w/16 n. soowna a

(less than 0.2%

at 20 HZNZD kHz, both a! 20 Hl"20 kHz

THDI I .

channels driven slmul-

IsneousIv
Dynamic power 310 win a Low :70 WM :2, 500 w]: a
imam: 500 WM :2 HIGH 380 wlt 6 n, 550 WIS n
(lHF constant
power supply
mexhndl

Power bandwidth:
(I HF)

Harmonic distortion:

5 Hz~50 kHz with 8 0 load

0.1 % at rated output

0.05 96 at 1 W output

0.1 96 at rated output

0.05 36 at 1 W output

20 Hz~100 kHz 13:13 with NORMAL]
TEST switgg set to NORMAL

DCNIOO kHz .1 dB with NORMAL/
TEST switch to TEST

Sensitivity: 1.0V RMS (for rated output)

Impedance: 50 kn

(Two pairs of inputs equipped with
LEVEL controls)

Total impedance should be higher than
4 n.

In 2CH mode
minimum speaker impedance is 4 9.

IM distortion:
I60Hz : 7kHz=4:1)

Frequency response:
(at l W output)

Inputs:

Ou zputs:

In MONO-LOW mode
minimum speaker impedance is 2 n.
In MONO-HIGH mode
minimum speaker impedance is 8 n.
1 MW V
100 dB, weighting network A,
short-circuited
250 (Sal at 1 kHz, at SPEAKER
DIRECT ierminall
OPTICAL PEAK PROGRAM METER
Frequency response: 30 Hz~30 kHz :3 dB
Measuring range: 0~200W (with METER SENSITIVITY

switch set to "x 1/10" ..... 0W~
20 W)

Residual noise:
SIN ratio:

Damping factor:

GENERAL

Phase-linear dc stereo pure-complementary
power amplifier

120 V ac, 60 Hz

380 W

System:

Power requirements:
Power consumption:

Ac outlet: 1 unswitched 200W
Dimensions: 440(w) x 170Ih) x Mold) mm
173/3 (w) x 6% (h) x 16% (a) inches
Weight: 23.3 kg (51 lb 602). net

28.4 kg (62 lb 1002). in shipping carton

SONY
SERVICE MANUAL