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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





JVC L-A21 turntable

 

Auto-Return Belt-Drive Turntable

Features:

Quiet and accurate belt-drive

Precision synchronous motor

Low-mass straight tonearm

Up-front controls

Auto return convenience

 

The design objectives for our lowest cost turntable were for the most performance and features at a price easily accessible to anyone. Check the features and specifications of the L-A21 and you'll agree that we met all our design objectives. Our reliable belt-drive system eliminates vibration and noise and promotes smooth platter rotation. And our motor is an advanced synchronous type - impervious to changes in line voltage. Our tonearm, like those found on our more expensive models, is of a low-mass design for high tracking and low distortion while its straight tube design reduces spurious movement of the arm due to dynamic torsion. Our special headshell is non-resonant yet extremely rigid. We've also included a cueing device and the auto return mechanism. Like all its operating controls, the cue button is outside the closed dust cover so there's little chance of nudging the tonearm and damaging record or stylus . All in all, a great bargain at any price.

 


Specifications:

Motor

Type :  4-pole synchronous motor

Drive System :  Belt-drive system

Wow and Flutter:  0,08% (DIN)

Signal-to-Noise Ratio:  63 dB(DIN-B)

Platter:  300 mm die-cast aluminum alloy

Tonearm

Type:  Statically-balanced straight arm

Effective Length:  220 mm

Tracking Error:  +4°, -0°48'

Overhang:  15 mm

Tracking Force:  0 - 3g

Cartridge Weight (Headshell Included):  8,5 - 11,5 g

Operation Mode:  Auto-return

General

Dimensions (W x H x D):  420 x 115 x 350 mm (16-9/16" x 4-1/2" x 14")

Weight:  4,5 kg (9,9 lbs)

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