DIATONE DP-77B
¥ 34,000 (around 1972)
Commentary
A full auto record player equipped with an auto mechanism.
The size is selected according to the size of the disk, and all operations are done automatically just by pulling the lever.
The belt uses a polyurethane endless belt with precision polishing.
In addition, a low-vibration 4-pole synchronous motor has been adopted to obtain stable rotation.
The arm part adopts an S-shaped arm with an inside four scan cellar and a lateral balancer.
MM type cartridge is equipped as standard.
CD-4 playback is also possible simply by attaching a CD-4 replacement needle (MD-1) to this cartridge.
Model Rating
Type | Belt drive type full auto record player |
Motor | 4-pole synchronous motor |
Turntable | 31 cm Aluminum Die Cast |
Number of revolutions | 2 Speeds (33 1/3rpm, 45 rpm) |
Wow and flutter | 0.15% |
Signal-to-noise ratio | 45dB |
Pick-up | Static balanced type pipe arm With Lateral Balancer, Inside Four Scan Seller |
Head shell | Lightweight Aluminum Alloy, European Type Plug-in System (Needle Pressure Direct Reading Type) |
Cartridge | High Compliance MM Type Cartridge (MAG-1) |
Needle pressure | 2 ± 0.5g |
Needle to be used | 0.5 mil Diamond Needle (3D-37M) |
Frequency characteristic | 10 Hz to 25 kHz |
Attachment mechanism | Removable auto hinge |
Power supply voltage | AC100V 50Hz/60Hz |
External dimensions | Width 460x Height 180x Depth 370 mm |
Weight | 8.5kg |
Sold Separately | CD-4 Dedicated Needle MD-1 (¥ 7,000) |