Audio Database

The

DIATONE DP-75B
29,800yen(around the 1972 time)

Description
 
It is the auto record player which adopted MM cartridge.

Diatone cartridge MAG-1 is adopted as a MM type cartridge.

Vibration has adopted few 4 pole synchronous motors with little rotation unevenness as a motor, and it has become a belt drive system by the endless belt of the polyurethane which carried out precision polish.
Moreover, the thing made from aluminum die-casting 30cm in diameter is adopted as a turntable.

If the auto mechanism is carried, a record is set and an arm is set on a starting point, a performance will be started only by pulling a lever.

The static balance type is adopted as an arm and the Europe type plug-in head shell system (needle pressure Direct-reading type) is adopted.


Rating of a mode
Form Belt drive system auto record player
Motor 4 pole synchronous motor
Turntable The product made from 30cm aluminum die-casting
Number of rotations 2 speeds (33 1/3rpm, 45rpm)
Wow and flutter 0.15% or less
Signal to noise ratio 45dB or more
Pickup Static balance type pipe arm
A lateral balancer, with an inside force canceller
Head shell The product made from a lightweight aluminum alloy, the Europe type plug-in system
(needle pressure Direct-reading type)
Cartridge High compliance MM type cartridge (MAG-1)
Needle pressure 2±0.5g
The needle used 0.5mil diagram needle (3D-37M)
Frequency response 10Hz - 25kHz
An attached mechanism The Ohtori turn with mechanical queuing
Removal type auto hinge
Power supply voltage AC100V 50Hz/60Hz
Dimensions Width 450x height 190x depth of 360mm
Weight 6.5kg