Audio Database


Pioneer PU-22
18,500yen(? at the 1960 in-the-late time)

The record player unit with a semi auto organization which uses a 30cm turntable.

Only by that of a unit part, there was no sale of a finished product with a case.

Rating of a mode
Form Player unit
Auto organization Oil dumping arm elevation is interlocked with.
Motor power-source auto switchpoint
Idler auto controller
Tone arm rise-and-fall organization
Motor 4 pole synchronous type
Turntable The product made from diameter aluminum die-casting of 30cm (weight of 1kg)
Rotation unevenness 0.15% or less
SN ratio 40dB or more
Cartridge man-month type (PL-C6)
Needle 0.7mil diamond needle
Frequency characteristic 20Hz-21kHz}2dB
Channel isolation 20dB or more (1kHz)
Output voltage 5mV (1kHz, 50 mm/s)
Output balance 2dB or less (1kHz, 50 mm/s)
Direct current resistance 500ohms
Needle point compliance 6x10 to 6 cm/dyne
Tracking error }1.5 degrees
Proper stylus force 3.5g
Tone arm Light metal static balance type tone arm
Switching needle Diamond needle PL-N6 (1,800yen)
Power source AC100V, 50Hz/60Hz switching type
Dimensions Width 380x height 150x depth of 310mm