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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 SC-410 amplier

4-channel QM Decoder/Amplifier

Features:

Decodes almost any type of encoded matrix 4-channel discs at four modes of 4-channel effect

Decodes 4-channel programs from ordinary non-encoded discs into quasi-quadraphonic stereo sound

Built-In IC power amplifier for two sets of rear channel speaker systems

Connectable to any type of stereo amplifier furnishing DIN socket and PIN "pre-out/in" jack

 


Specifications

Power Output:  30 W rms into 8 Ω  at 0,8% T.H.D.

Frequency Response:  20 - 40,000 Hz (exclude QM section)

Power Bandwidth:  20 - 40,000 Hz (exclude QM section)

Semiconductors: 

2 Transistors for AF amplifier;

1 Diode for power supply;

2 ICs (TH-9015P's) for power output section;

4 FET's and 4 Transistors for QM decoder

Control:

Main volume, sub volume, selector 2-ch/4-ch/tape/aux; Power off; speaker A & B, QM effect (concert hall/studio/surround/stage0; Hi-cut

Jack and Terminals:

DIN socket, input/output jack, AC unswitched outlet, speaker terminal

Dimensions (W x H x D):  300 x 115 x 385 mm (11-3/4" x 4-1/2" x 15")

Weight:  6 kg (13-1/4 lbs)


 

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