Turntable Details
Drive
Direct
Motor
DC
Wow & Flutter %
0.05
Rumble [dB]
-70
Speed
Dimensions [mm]
Platter Material
Platter Diameter [mm]
Total Weight [kg]
Tonearm
Year Built
5.50
S-shaped
Platter Weight [kg]
Plinth Material
Price
Additional information
The Akai AP-D33C is a direct-drive, auto-return turntable produced in the early 1980s, known for its solid construction, precise speed control, and reliable performance.
Technical Overview
Platter and Drive:
314 mm aluminum alloy die-cast platter designed for low resonance and smooth rotation.
Direct drive system with DC servo motor.
Speeds supported: 33⅓ and 45 rpm with ±5% pitch control.
Wow and flutter: 0.05% (DIN), 0.035% (JIS), indicating very stable speed.
Rumble: 70 dB (DIN B), reflecting low background noise.
Tonearm:
S-shaped static balanced tonearm.
Effective length: 220 mm.
Overhang: 15 mm.
Offset angle: approximately 22.5 degrees.
Shell weight: 8.2 grams.
Cartridge weight range: 4 to 12 grams.
Oil-damped arm lifter for smooth stylus placement.
Anti-skating mechanism included.
Cartridge:
Factory-fitted with a VM (dual magnet) type cartridge.
Recommended stylus pressure: 2 grams.
Output voltage: approximately 5 mV (DIN).
Channel separation: more than 20 dB (DIN).
Operation and Features:
Semi-automatic operation with auto-return tonearm.
Built-in stroboscope lamp for speed verification.
Fine pitch control ±5%.
Compatible with a wide range of cartridges due to adjustable tonearm parameters.
Construction and Dimensions:
Dimensions: 440 mm (W) x 140 mm (H) x 403 mm (D).
Weight: approximately 5.5 kg.
Solid chassis with dust cover included.
Power supply options vary by region: 100V (Japan), 120V (USA/Canada), 220V (Europe), 240V (UK/Australia), with some models switchable between 110–120V and 220–240V.