Audio Database

The

DIATONE DP-81B
48,000yen(November, 1968 release)

Description
 
The belt drive system of double structure is adopted as a turntable. It is a full-scale player system using a capacitor starting 4 pole synchronous motor in a motor.

The precision oil dumping elevation system was used and 2 division main weight system of a static balance form tone arm is adopted.



Rating of a mode
Form Record player
Drive system Belt drive system
Turntable Double structure made from a 310mmphi aluminum alloy (2.2kg)
Number of rotations 33 1 / 3 or 45rpm (2 speed)
Belt Polyurethane endless belt
S/N ratio 45dB or more
Wow 0.1% or less
Pickup arm Static balance form pipe arm
Head shell The plug-in system made from a lightweight aluminum alloy
Cartridge Moving magnet type (with a 0.5mil diagram needle)
Output 5mV (1000Hz and 50mm/(sec))
Needle pressure 1.5-3.5g
Compliance 10x10 to 6 cm/dyne
Channel separation 25dB or more (1000Hz)
Play frequency range 20Hz - 22000Hz
Power source AC100V 50Hz/60Hz
Dimension Width 550x height 248x depth of 420mm
Weight 16.5kg