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Pioneer PL-1200A




 
 
 
 
 
 
 
 
 
 
 




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The










Pioneer PL-1200A51,000yen(around the Год выпуска: 1974 time)





The record player which adopted the direct-drive
scheme.


The brushless DC servo motor of a direct-drive scheme which
drives a turntable directly is adopted as a drive motor.
Moreover, the
brushless and DC servo scheme which controls a rotational frequency by work of
the electronic circuitry which consisted of a transistor and diode automatically
are adopted as roll control.


The tone arm part is improving trances
capacity by examining the form and the quality of the material of the bearing
part which influences a sensitivity greatly. Moreover, adoption of the hole
vacancy lightweight shell is raising the precision for carrying out.
The
original anti skating organization which combined the spring and the cam is
adopted as cancellation of an inside force. Furthermore, the stylus-force
tick-mark value serves as a scheme showing an anti skating bias value as it is,
and it can adjust also in a record performance.


PC-330 which is
man-month type cartridge is adopted as a cartridge.


The double structure
cabinet which combined hard plywood and the metal base is adopted as a cabinet.

Moreover, the insulator which can be adjusted level is adopted and the
influence by the howling or an extraneous vibration is proposed.


The
change of a rotational frequency has adopted the electronic formula which can be
held only by constant switching of an electronic circuitry. furthermore -- while
supervising the stroboscope minced by the perimeter of the turntable -- 33 both
1 / 3 or 45rpm -- although -- it can tune independently finely by 2% of within
the limits.
Moreover, since the motor serves as a direct drive by a voltage
stabilizer, it does not need to exchange pulleys with the line frequency
(50Гц/60Гц) of a using region.


The arm elevation organization in which
neither a record nor its needle point is hurt is adopted.


The layout
which brought the operation function together in one panel is adopted.



The stroboscope light is carried.


The low capacity (loop station
connector) output code which can respond to 4ch play is adopted.









































































FormRecord player
MotorBrushless DC servo motor
Drive systemDirect-drive
TurntableThe product made from diameter aluminum
alloy die-casting of 31cm
Rotational frequency33 1 / 3 or 45rpm (a fine tune is possible)
Rotational frequency switchingElectronic formula
Rotational frequency fine-tune span
Less than (each rotation independent
coordination) 2%
Rotation unevenness0.05% or less (WRMS)
S/N58dB or more
Tone armStatic balance S character type pipe arm
An attached cartridgeman-month type (PC-330)
An attached organizationArm elevation organization
Anti skating
organization
Lateral balancer
Plug-in system head shell
Stroboscope
light
Horizontal-coordinate type insulator
The semiconductor usedTransistor: 12 pieces
Diode: Год выпуска: 19 pieces
Напряжение питанияAC100V, 50Гц/60Гц
РазмерыШирина 480мм, высота 185мм, глубина 410мм
Вес10.5кг.





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