Turntable Details
Drive
Direct
Motor
DC
Wow & Flutter %
0.025
Rumble [dB]
-74
Speed
33, 45
Dimensions [mm]
Platter Material
Platter Diameter [mm]
310.0
Total Weight [kg]
Tonearm
Year Built
10.00
S-shaped
1978
Platter Weight [kg]
1.80
Plinth Material
Price
Additional information
The Hitachi HT-550 is a direct drive, 2-speed (33 1/3 and 45 rpm) turntable manufactured between 1978 and 1980. It features a die-cast aluminum platter with a 330mm diameter and a weight of 1.8 kg. The motor is a DC servo type. It was made in Japan.
Technical Specifications:
Type: 2-speed direct drive automatic system
Motor: Brushless, DC servo
Speeds: 33 1/3 and 45 rpm
Platter: 330mm aluminum alloy die-cast, 1.8kg
Wow and Flutter: 0.025% WRMS
Signal to Noise Ratio: 74dB
Tonearm: Highly sensitive, precision engineered
Effective Length: 230mm
Overhang: 15mm
Dimensions: 480 x 381 x 139mm (WxHxD)
Weight: 10 kg
Power Consumption: 8W
Tracking Force: Adjustable from 0 to 3g, with a scale of 0.1g graduatio
Recommended Contact Force: 1.25 to 2g
The HT-550 incorporates a uni-torque motor, an oil-dampened cue arm, and a quality tone arm. It also features a two-way counter-weight system for cartridge flexibility