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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





Pioneer PL-530

Pioneer PL-530

Features

High Torque DC Servo Motor Uses Hall Elements

The DC brushless Hall motor combines Hall elements with a high torque motor and a semi-conductor circuit. Hall elements, production-engineered by Pioneer, are used to switch the polarity in the motor. Since purely electronic commutation is used for switching the motor drive circuit, harmful noise is not generated, and smooth, even rotation can be obtained with high durability. By combining precision engineering with high fidelity circuit technology, excellent characteristics of 70 dB (DIN-B) or more S/N, and 0,03% (WRMS) wow and flutter have been achieved.

Two-Motor Fully Automatic Turntable Uses Precision Geared Motors

A specialized precision geared motor is used for the lead-in and return functions of the tonearm. Since the return function employs the velocity detector principle, stable operation is consistently maintained.

Newly Developed High-Sensitivity S-Shaped Tonearm

High sensitivity angular contact bearings are used for both vertical and horizontal axis movement of the tonearm, so that there is minimum play and friction. High sensitivity and durability are obtained. Both an anti-skating mechanism and a lateral balance adjustment are built in, therefore, even when a low tracking force, high compliance cartridge is used, the unit turns in an excellent tracking performance. An independent tonearm lift device is incorporated in the fully-automatic mechanism, so the stylus can be raised easily even during playing without damage to the stylus or record.

Panel layout Facilitates Easy Operation

This layout places the speed adjusters, function buttons, record size selector, and arm lift lever all at the front of the unit, concentrating controls for eay operation. A headshell stand is built-in for a spare cartridge. The dust cover uses free-stop fastener hinges.

Cabinet Designed for Sound Quality

The power source transformer and operating mechanism are all mounted in the hard particle board cabinet, while the platter and tonearm are kept floating above the cabinet by the floating suspension, contributing to the improvement of the tone quality. External vibrations are doubly damped by the insulators to obtain a very high resistance against acoustic feedback (howling).

Specifications

Motor and Turntable

Motor: Brushless DC servo Hall motor

Turntable Platter: 330 mm diam. Aluminum alloy die-cast

Moment of Inertia: 260 kg/cm (including platter mat)

Speeds: 33-1/3 and 45 rpm

Speed Control Range: ±2% (individual control for all speeds)

Wow and Flutter: Less than 0,03% (WRMS)

Signal-to-Noise Ratio: More than 70 dB (DIN-B)

Tonearm

Type: Static-balance type, S-shaped pipe arm

Effective Arm Length: 221 mm

Overhang: 15,5 mm

Usable Cartridge Weight: 4 g (min.) to 4,5 g (max.)

General

Power Requirements: AC 120 V, 60 Hz

Power Consumption: 7 W

Dimensions (W x H x D): 480 x 170 x 390 mm, (18-29/32 x 6-11/16 x 15-11/32 in)

Weight: 10 kg, (22 lbs)

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