Sony STR-4800

Stereo Tuner/Amplifier

The STR-4800 combines a high performance stereo tuner and a powerful amplifier with a host of facilities which will be of great interest to the Hi-Fi enthusiast.

Features:

40 watts per channel

VHF/MW 

Combined oscillator and tuning capacitor for high stability and accuracy

Uniphase IF filter for high selectivity and low distortion

Phase lock loop stereo decoder for high channel separation and low distortion

Long linear tuning scate for ease of tuning

Tape 1 to tape 2 copying facility.

Specifications:

Rated Output:  40 watts per channel, both channels operating at 1 kHz into 8 Ω; 20 - 20,000 Hz , 35 watts

Power Bandwidth:  10 - 35,000 Hz

Total Harmonic Distortion:  less than 0,2% at 1 kHz; rated output power , 0,1% at 1 watt output power

Intermodulation Distortion:  less than 0,2% at rated output power, 0,1% at 1 watt output power

Residual Noise:  less than 0,1 µ watts at 8 Ω

Damping Factor:  10 - 35 Hz (8 Ω), 94 Ω) at 1 kHz

Input Sensitivity/Impedace: 

Phono 1, 2 :  2,5 mV/50 k Ω

Aux 1, 2 ;  250 mV/100 k Ω

Tuner :  250 mV/100 k Ω

Tape 1, 2 :  250 mV

Outputs level/Impedance:

Tape Rec 1, 2 :  250 mV/ 4,7 k Ω

Tape Rec/pb :  250 mV/ 4,7 k Ω

Headphone :  0,3 V into 8 Ω, 9 V into 10 k Ω

Frequency Response:

Phono  :  RIAA equalisation curve ±1 dB

Aux 1, 2 :  10 - 30,000 Hz ; +0,5 -3 dB

Tuner :  10 - 30,000 Hz ; +0,5 -3 dB

Tape, DIN :  10 - 30,000 Hz ; +0,5 -3 dB

Tone Controls:

Bass :  100 Hz ±10 dB

Treble :  10 kHz ±10 ddb

Filters:

High :  6 dB/oct above 6 kHz

Low :  6 dB/oct below 35 Hz

Loudness Control:  50 Hz +9 dB; 1 kHz =3 dB

Signal-to-Noise  Ratio:

Phono :  70 dB

Tape 1, 2 ;  90 dB

FM Tuning Range:  87,5 - 108 MHz (3,43 - 2,78 m)

Sensitivity:  1,9 µV IHF useable; 1,7 µV  S/N -26 dB

Capture Ratio:  1,5 dB

Selectivity:  80 dB (400 kHz)

Frequency Response:  40 -12,500 Hz +0,2 -1 dB; 30 - 15,000 Hz +0,2 -2 dB

Stereo Separation:  35 dB at 100 Hz; 40 dB at 1 kHz; 35 dB at 10 kHz

Aerial trminals:  300 Ω balance; 75 Ω unbalanced

Tuning Range MW:  530 - 1605 kHz (566 - 187 m)

Sensitivity:  250 µV/m external aerial at 1,000 kHz, 100 µV external aerial at 1,000 kHz

Aerial:  built in ferrite aerial; external aerial terminal

Circuit System:  Main Amp, Direct coupled SEPP system, tuner superheterodyne

Power requirements:  AC 110, 127, 220, 240 V (factory set 240 V, 50/60 Hz)

Dimensions (W x H x D):  490 x 170 x 415 mm (19-1/4" x 6-9/16" x 16-1/4")

Weight:  13,9 kg (30 lb 10 oz)