Audio Database

Pioneer PL-30/PL-30L PL-30: 55,000yen(around the 1980 time)
PL-30L:59,800yen (around the 1980 time)

Description
 
The manual type record player which employed the merit of the unit design efficiently as it was like the high-end model.
Usually, there were two kinds, PL-30 of a version and PL-30L which carries a silence lift up functionality.

The phone motor of SH and a rotor scheme is carried in the actuator like a high-end model.
According to the structure which moved the supporting point (bearing) of the rotor which suited the motor bottom conventionally to immediately under the turntable, it has succeeded in the sharp reduction of a wow and flutter, and the outstanding property is realized.
Furthermore, the Quartz PLL DC servo hall motor of starting torque 1.3 kg-cm was adopted as the motor, and stability which does not cause a load variation to a 200g load intensity by combining a large-sized turntable with the inertial mass of 330 kg-cm2 is realized.
Moreover, the detailed noise is proposed to the magnetic pole change organization of a motor by searching for the manipulation precision of micra order until it is using three hall devices which Pioneer developed and also results in the part of a detail.
The turntable sheet excellent in the acoustic feature is adopted as a turntable.

In order to suppress the low-pass vibration produced by the curvature and decentration of a record, the silicon oil braking scheme (on/off is possible) is adopted.
It is a scheme which a braking fin sinks in the silicon poured into the oil cup, and applies viscous braking to an arm by pushing the dyne ping knob of an arm axis upper portion,And it is designed by cutting the leading end of a braking fin (the shape of a ring) into 45 degrees apply braking for which it was horizontally and perpendicularly suitable, respectively.
While this suppresses a harmful low-pass vibration, cross modulation distortion which has an ill effect harmful to an audio frequency band is reduced sharply.
Neither a variation per hour nor the viscous transition by a temperature is in oil, and the silicon oil which is excellent as braking oil is adopted. Furthermore, it is what has a high robustness where oil oozes, and which does not have し by storing this silicon oil in the oil cup made with high precision.

The arm base of die-casting nature which gave the stabilizer effect is adopted.
Moreover, it is adopting the mass centralization system which had adopted as the arm the long type arm of 250mm of effective lengths who use a high-rigidity aluminum pipe, and also brought the main wait close to an arm axis,The moment of inertia of an arm is reduced and the basic performance of an arm itself [ before applying oil braking ] is raised.

In order to suppress an oscillation of a howling etc., the high-density cabinet which selected the needle-leaf tree carefully is adopted as a cabinet.
Furthermore, the large-sized insulator of the newly developed low centroid structure is adopted as the insulator supporting a cabinet, and it has become it with the design strong against the oscillation from the outside.

Using an optional dumping coordination adapter can adjust on the level to 1-5 like PL-70, and it becomes the amount of level braking variable arm which can be dealt with the compliance of all cartridges.
Moreover, when equipping with the heavy cartridges (alt. phone SPU-GT type etc.) of a self-weight, the using of an optional switching wait is recommended.

In PL-30L, the silence lift up functionality in which the exact and quiet operation was realized is carried.
The moving coil scheme which applied the principle of operation of the speaker to the elevation organization in which an arm is made to go up and down first is adopted, and a uncontacted operation is carried out on DC voltage.
Furthermore, the termination location detection of a record sound track has adopted the scheme which performs a uncontacted detection with the hall device attached to the interior of an arm axis, and the magnet countered and attached to this.
Furthermore, a silence lift up organization is interlocked with and the pure electronic quick stop organization in which a turntable is stopped in an instant is carried.

Silence SH

Rating of a mode
Form Cartridgeless player system
<Phone motor part>
Motor Quartz PLL DC servo hall motor
Drive system Direct-drive
Bearing structure SH and a rotor scheme
Turntable diameter 31cm
Turntable inertial mass 330kg-cm2 (turntable sheet included)
Rotational frequency 33 1 / 3 or 45rpm
Rotational frequency change The electronic formula by a short stroke switchpoint
Rotation unevenness 0.012% or less (PL-30L, WRMS/FG Direct-reading method)
0.013% or less (PL-30, WRMS/FG Direct-reading method)
0.023% or less (WRMS/Japanese Industrial Standard)
S/N 78dB or more (DIN-B)
63dB or more (Japanese Industrial Standard)
Load variation 0% (less than 200g of stylus forces)
Startup property Less than 1/3 rotation
Starting torque 1.3kg-cm
Velocity detection scheme Perimeter integrator type FG
Rotational frequency deflection 0.002% or less
Drift Time drift : 0.00008%/h
Temperature drift : 0.00003%/degree C
Braking mechanism Pure electronic formula
<Tone arm part>
Form Oil braking scheme static balance S character type pipe arm
Effective length 250mm
Overhang 14mm
Tracking error + 2.1 degrees-1.2 degrees
Stylus-force coordination 1g (0.1g tick mark) of wait 1 rotations
Conformity cartridge self-weight 4g-13g (at the time of an attached shell using)
Height adjustable range ±3mm
Head shell An aluminum impact press head shell, 10.5g of self-weights
<Synthesis>
An attached organization Quartz locking-in Decatur
Quick stop
Silence lift up (only an electronic formula and PL-30L)
The semiconductor used etc. Quartz crystal: One
IC:6
Hall device: Four (PL-50 is 3)
light-emitting-diode: Four (PL-50 is 3)
Transistor: Four
Diode: Four
Power source AC100V, 50Hz/60Hz
Power consumption PL-30:8W
PL-30L:12W
Dimensions Width 490x height 180x depth of 401mm
Weight 11.5kg
Option Dumping coordination adapter JP-506 (8,500yen)
Switching wait JP-507 (2,400yen)