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What is stereo?




There are now two system of high fidelity, monophonic (monaural) and stereophonic. Monophonic is a system that starts from one microphone and is fed through a single high fidelity set. Stereophonic is a double system. Two separate microphones are placed at different sides of the orchestra and two different systems are used to keep the two signals or channels separated. Two separate speakers are used, placed on different sides of you room. Stereo is much like 3-D photography, two slightly different sound reach your ears giving you a new dimension in sound.




H.H. Scott '59





Toshiba SA-400 receiver

Features:

2-channel FM/AM/FM stereo receiver

IC power output section

FET FM front end

MFR tone control with switch-selected hinge points

 


Specifications

Tuner Section

FM Tuning Range:  88 - 108 MHz

Sensitivity:  2,5 µV 300  (IHF)

Capture Ratio:  2 dB (IHF)

Selectivity:  60 dB

Image Rejection:  50 dB

IF Rejection:  80 dB

Spurious Rejection:  40 dB

FM Stereo Separation:  35 dB

SCA Rejection:  50 dB

Antenna Terminals:  300  / 75  

AM Tuning Range:  530 - 1605 kHz

Sensitivity:  20 µV (IHF)

Image Rejection:  35 dB

IF Rejection:  30 dB

Antenna:  Ferrite core antenna, external antenna terminals

Audio Section

Power Output (each channel driven, Total):

Music Power (IHF) at 0,8% distortion :  30 W (4 ); 37 W (8 ); 20 W (16 )

Continuous Power at 0,8% distortion :  22 W (4 ); 30 W (8 ); 17 W (16 )

Frequency Response:  20 - 40,000 Hz -3 dB

Power Bandwidth:  20 - 40,000 Hz (IHF, 0,8%)

Signal-to-Noise Ratio

Phono :  65 dB

Aux :  75 dB

Input Sensitivity/Impedance (for rated output)

Phono :  3,0 mV/47 k

Aux :  200 mV/100 k

Tape :  200 mV/100 k

Hum

Phono :  50 mV

Aux :  10 mV

Damping Factor:  26 at 8 hm

Tone Controls:

Bass :  ±10 dB at 100 Hz

Treble :  ±10 dB at 10 kHz

Loudness:  +10 dB at 100 Hz

Residual Noise:  0,8 mV at 8  

General Section

Controls:  Volume, bass, treble, balance, selector AM/FM-mono / FM-auto / Phono / Aux

Connector :  Phono; Aux, inputs (phono jack); tape input and output via PIN jacks and parallel, single-connection 5-pin DIN jack; screw terminals for main speakers plus screw terminals for extension speakers; headphone jack; unswitched AC outlet; 300  and 75  FM antenna connection; input and output for 4-channel adaptor

Indicator:  FM-ST indicator, FM/AM tuning meter

Semiconductors:  5 ICs; 1 FET, 7 Transistors; 10 Diodes

Power Requirements:  AC 100/120/220/240 V, 50/60 Hz

Cabinet:  Walnut finished wood cabinet

Dimensions (W x H x D):  420 x 125 x 285 mm (16-1/2" x 4-7/8" x 11-1/4")

Weight:  8,2 kg (18 lbs)