Sony ST-70 tuner

ST-70

AM/FM Stereo Tuner

A stereo tuner offering many facilities normally found inn more expensive models. It provides for a reasonable price the additional dimension of a stereo radio to your hi-fi system.

An incredibily compact AM/FM stereo tuner offering facilities normally found inn more expensive models. These include MPX decoder for FM stereo, AFC switch, tuning meter, stereo indicator ligt, built-in AM/FM aerials and external antenna terminals for AM/FM.

For clarity, purity , and economy model ST-70.

 Specifications:

FM Tuner Section

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

Aerial Antenna:  300 Ω balanced

Intermediate Frequency:  10,7 MHz

Sensitivity:  2 µV, (s/n30 dB)

Signal-to-Noise ratio:  65 dB

Capture Ratio:  4 dB (IHF)

Image Rejection:  40 dB (IHF)

IF Rejection:  90 dB

AM Suppression:  45 dB

Frequency Response:  20 -15,000 Hz ±3 dB

Harmonic Distortion : 

Monaural :  0,5% at 400 Hz

Stereo :  1,0 % at 400 Hz

Stereo Separation:  35 dB at 400 Hz

AM Tuner Section

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

Aerial:  Built-in ferrite bar aerial and external aerial terminal

Intermediate Frequency:  469 kHz

Sensitivity MW:  48 dB/m built-in aerial, 20 µV external aerial

Signal-to-Noise Ratio:  50 dB

Output Level:

High :  2 V

Normal :  750 mV

Circuit System:  FM/AM superheterodyne tuner

Semiconductors:  14 Transistors;  1 FET; 15 Diodes

Power Requirements:  AC 240 V 50 Hz

Power Consumption:  8 watts

Dimensions (W x H x D):  330 x 87 x 245 mm (13" x 3-1/2" x 9-7/10") including projecting parts

Weight:  2,8 kg (6 lb 2 oz)

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