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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-500

 With the same engine as well as drive system including PL-600 plus a separate motor for the tonearm Warren-automatic (including the auto-repeat).
All functions can be operated from the front with easy to use micro switches, even when the cover is closed.
Integrated are the Pioneer SHR system and a coaxial damping system to the player engine and tonearm are hung up combined to suppress resonance and vibration.
 Full Automatic Quartz-PLL DC Direct-Drive Turntable
Impressive Convenience, Impeccable Accuracy.
Full Automativ with Cut, Cue and Infinite Repeat
High-Torque DC Hall Direct-Drive Motor - 0,025% W&F
Quartz-PLL periphery-Integration Servosystem
Mass Concentrated Tonearm and Coaxial Suspension
Separate Motor for Automatic Functions
Front-Panel  Array of Easy-Use Controls
Single Row Stroboscope Marker  and Shortstroke Microswitch
Housing Without Acoustic Feedback

Specifications
Motor nad Turntable
Drive System:  Direct-Drive
Motor:  Quartz PLL Hall motor
Turntable Plater:  330 mm diameter, aluminum alloy die-cast
Moment of Inertia:  300 kg-cm² (including platter mat)
Speeds:  33⅓ and 45 rpm
Wow and Flutter:  less than 0,025% (WRMS)
Signal-to-Noise Ratio:  more than 75 dB (DIN-B)
Rotational Characteristics
Buil-up Time:  within 120° rotation at 33⅓ rpm
Speed deviation:  less than 0,002%
Speed Vs. Load Characteristics:  stable up to 150 grams drag load
Speed Drift:  less than 0,00008%/h at 33⅓ rpm (less than 0,00003%/degree temp. Change at 33⅓ rpm)
Tonearm Section
Type:  Static-balanced type, S-shaped pipe arm
Effective Arm length:  221 mm
Overhang:  15,5 mm
Usable Cartridge Weight:  4 g to 10 g
Subfunctions
Full auto mechanism; Anti-skating force control; Stylus pressure direct-readout counterweight; Cueing device; Strobe light; Free stop
Semiconductors:
3 Transistors; 3 Diodes; 3 Hall Elements
Miscellaneous
Power Requirements:  AC 120, 220 V; 50/60 Hz
Power Consumption:  10 W
Dimensions (W x H x D):  440 x 140 x 388 mm (17-15/16" x 5-1/2"x 15-1/4")

Weight:  9,1 kg (20 lb)
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1 commento:

  1. Unknown18 agosto 2016 alle ore 06:45

    he tenido varios tomamesas de diferentes marcas y modelos y puedo decir que este modelo de pioneer tiene bien ganada la fama de ser uno del los mejores que fabrico la firma. alta gama sin duda.

    RispondiElimina

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