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Pioneer PL-1200




 
 
 
 
 
 
 
 
 
 
 




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Описание:

The













Pioneer PL-120044,500yen(around the Год выпуска: 1972 time)
48,500yen(around the Год выпуска: 1973 time)





A direct-drive phone motor and the stereo record
player which adopted S character type tone arm.


The direct-drive scheme
which used the brushless DC servo motor for the motor is adopted.
By driving
a turntable directly without a belt or an idler, the motor oscillation by the
high velocity revolution of the rotation unevenness resulting from a propagation
system or a motor is banished.
Moreover, the rotational frequency was
automatically controlled by the electronic circuitry which consisted of a
transistor and diode, and the exact rotation which is not influenced by
variation of an off-site temperature or supply voltage is realized.


33
The pure electronic formula which can be held only by constant switching of an
electronic circuitry is adopted as 1 / 3 or 45rpm velocity change.
Moreover,
it is 33, supervising a stroboscope. It can tune independently finely by 2% of
within the limits by 1 / 3 or 45rpm each.


S character type tone arm is
adopted as a tone arm, and the arm bearing part is raising the sensitivity by
examination of pivot form and the quality of the material. Furthermore, the
numeric value of the stylus-force tick mark shows the anti skating bias value to
cancellation of the inside force as it is using the original anti skating
organization of Pioneer which combined the spring and the cam.
Moreover,
while the head shell has also adopted the lightweight type of a hole difference
and aims at a reduction of an effective mass, trances capacity is raised in
consideration of the weight balance of a tone arm.


The cartridge was
made to reduce the effective mass of vibration system, and PC-330 of man-month
type cartridge which has improved the separation in a high region is adopted as
it.


The low capacity code is adopted as output code, and the loss in a
super-high region is reduced.


Since it exchanges for a direct current by
the voltage stabilizer of built-in of a power source and the motor is driven, it
is not necessary to exchange a pulley with the line frequency of 50Гц/60 Гц.



The cabinet of a double structure which combined the metal base and the
wood of rosewood finish is adopted as a cabinet.

Moreover, an oscillation is suppressed by the possible insulator of a height
coordination, and the extraneous vibration is reduced.












ActuatorMotorInsulator


















































































































FormRecord player
<Turntable part>
MotorBrushless DC servo hall motor
Drive systemDirect-drive
TurntableThe product made from diameter aluminum
alloy die-casting of 31cm (1.4кг.)
Rotational frequency33 1 / 3 or 45rpm (a fine tune is possible)
Rotational frequency adjustable range
Less than 2%, an each rotational frequency
independent coordination
Rotational frequency switchingElectronic formula
Rotation unevenness0.06% or less (WRMS)
S/N55dB or more
<Tone arm part>
Tone armStatic balance scheme S character type pipe
arm
(Plug-in type head shell)
Effective length221мм
Overhang15.5мм
Mounting cartridge span4g-14g (self-weight)
<Cartridge part>
Cartridgeman-month type (PC-330)
Needle point0.5mil diamond needle (PN-330)
Output voltage3мВ (1кГц, 50 мм/s)
Frequency characteristic10Гц - 28кГц
Proper stylus force1.4g-2.0g
<Others>
An attached organizationArm elevation organization
Anti skating
organization
Lateral balancer
Large-sized insulator
(horizontal-coordinate type)
The semiconductor usedTransistor: 12 pieces
Diode: Год выпуска: 19 pieces
Напряжение питанияAC100V, 50Гц/60Гц
Power consumption5.2W (maxima)
РазмерыШирина 480мм, высота 185мм, глубина 410мм
Вес10.5кг.





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