Sony ta 4650 service manual 2

Page 1

GENERAL

System:

Power Requirements:

Power Consumption:

Dimensions:

Weight:

A-4650

USA Model

(former and new types)

E Model
AEP Model

INTEGRATED STEREO AMPLIFIER

SPECIFICATIONS

Power amplifier section:
direct-coupled pure complementary
symmetry circuitry

Preamplifier:
direct-c0upled two-stage phono,
flat and negative feed-back control
cirCUitry

120V ac, 60 Hz (USA model)

110, 127, 220 or 240V ac, 50/60 Hz,
adjustable (AEP, model)

100, 120, 220 or 240V ac, 50/60H7,
adjustable (E model)

270W (by IEC Standard)

approx.
460(w) x168(h)x 323(d) mm,
18%; x 6% x12~% inches (AEP model)
430(w)x168(h) x 323(d) mm,
167/3 x6514; x123/4 inches (E, USA model)
including projecting parts and controls

approx.
12.4 kg, 27 lb 502 (AEP model) in net
11.5 kg, 25 lb 602 (E, USA model)
15.2 kg, 33 lb 802 with shipping carton
(AEP model)
13.6 kg, 30 lb (E, USA model)

POWER AMPLIFIER SECTION

Continuous RMS

Power Output:

(less than 0.1% THD,
both channels driven
simultaneously)

at 1 kHz

35+35W (8 9)
30+ 30W (432)
at 20- 20,000 Hz
30+ 30W (832)
according to DIN 45500
35+ 35w

Dynamic Power Output:

(IHF constant power
supply method)

Power Bandwidth

I I HF I :
Harmonic Distortion:

Intermodulation (IM)

DistortiOn:

((50sz 7kH2'421)

Frequency Response:

(at 1 W output)

S/N ratio:

Residual Noise:
Damping Factor:

Inputs:

Outputs:

100W (8 51)
90W (4 Q)

SHz- 70kI-Iz

less than 0.1 % at rated output
less than 0.05% at 1 W output

less that 0.1 % at rated output
less than 0.05% at 1W Output

2Hz-100kHztgdB

greater than 110dB, short-circuited
input

less than 0.005 uW (8 Q)
45 (8 $2, at lkHz)

POWER INPUT
sensitivity 1 V RMS (for rated output)
impedance 50 k9

SPEAKER terminals A, B

accept speakers of 452 or more

HEADPHONE jack

accepts low-and high-impedance stereo
headphones

(Continued on next page.)

SONY

SERVICE MANUAL