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Pioneer PL-6A

 
 
 
 
 
 
 
 
 
 
 

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The

Pioneer PL-6A
24,000yen(middle of the Год выпуска: 1960s)


The stereo record player which developed and carries an auto organization original with the base for PL-6.

4 pole synchronous motor is adopted as a motor.
For a synchronous type, it was not influenced by transition of a voltage or a load intensity, but the exact constant-speed rotation is realized.

The turntable made from aluminum alloy die-casting with a weight of 1кг. is adopted as a turntable for 25cm in diameter which gave precise machining. .

even a lever operation comes out and the auto organization which rise and fall of a tone arm, on/off of a motor power source, an operation of an idler, etc. interlock and coммit is carried.
The oil dumping arm elevation organization is carried and it goes up and down a tone arm by the suspension action in a spring and an oil cylinder.
A motor power switch is interlocked with an arm elevation organization, and operates. Only when a tone arm descends and it is in a performance state, it is set to being turned on, and it is come by off when an arm goes up. Moreover, an operation of an idler is also interlocked with.
Only while a tone arm descends and the motor is rotating by the idler auto controller, a motor shaft (capstan) and turntable inner circumference are pasted.
In addition, if an elevation lever is placed according to the location of Play, it is possible to carry out an on/off operation of a motor with a velocity change thumb as well as a coммon player.

The pipe type tone arm of the absent-resonance design type which carried out the work original with a manipulation of the pivot is adopted as a tone arm. Form serves as a static balance type suitable for stereophonic reproduction.
Moreover, the connector type head is adopted and a using of other cartridges is possible.

PL-C6 which is man-month type cartridge is adopted as the cartridge.
The full-scale structure which planted a 0.7mil diamond needle in the cantilever made from a duralumin pipe of 0.6ммphi is adopted, the needle point is considering it as the scheme which attached the whole needle to the holder of a plastics, and a tension favorable impression is simply possible for it.


Form Record player
Auto organization An oil dumping arm elevation organization is interlocked with.
Motor power-source auto switchpoint
Idler auto controller
Tone arm Static balance type tone arm
Motor 4 pole synchronous type
Turntable Diameter aluminum alloy die-casting of 25cm, 1кг.
Rotation unevenness 0.2 or less
Rotational frequency 33 1/3, 45 or 78rpm
Cartridge man-month type (PL-C6)
SN ratio (at the time of PL-C1 using) 47dB or more
Starting time from a start-up Less than (33rpm) 1/4 rotation
Cartridge man-month type (PL-C1)
Frequency characteristic 20Гц-21кГц2dB
Channel isolation 20dB or more (1кГц)
Output voltage 5мВ (at the time of 1кГц and 50 мм/s)
Output balance 2dB or less (at the time of 1кГц and 50 мм/s)
Impedance 1. 5kohm (1кГц)
Direct current resistance 500ohm
Load resistance 50kohm
Needle 0.7mil diamond needle
Needle point compliance 6x10 to 6cm/dyne
Tracking error 1.5 degrees
Proper stylus force 3g-4g
Switching needle Diamond needle for stereos PL-N6 (2,400yen)
Sapphire needle for SP monophonic recordings PL-N 6S (1,000yen)
Power source AC100V, 50Гц/60Гц switching type
Размеры Ширина 475мм, высота Год выпуска: 190мм, глубина 380мм
  Обсудить на форуме Pioneer PL-6A

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