Akai AP-Q55C

The Akai AP-Q55C is a fully automatic, quartz-locked direct-drive turntable produced in Japan between 1981 and 1983. It is a refined version of the AP-Q55 model, typically factory-fitted with a moving magnet cartridge.

Technical Overview

Drive and Motor:

• Quartz-locked direct drive system with DC servo motor for precise and stable platter speed.

• Speeds supported: 33⅓ and 45 rpm.

• Speed deviation: less than ±0.003%.

• Wow and flutter: 0.05% (DIN), 0.035% (JIS).

• Rumble: 70 dB (DIN B).

Platter:

• Aluminum alloy die-cast platter approximately 310–314 mm in diameter.

• Designed for low resonance and smooth rotation.

Tonearm:

• S-shaped static balanced tonearm.

• Effective arm length: 220 mm.

• Overhang: 15 mm.

• Shell weight: 8.2 grams.

• Stylus pressure adjustable from 0 to 3 grams.

• Cartridge weight range: 4 to 12 grams.

• Oil-damped arm lifter for smooth stylus placement.

• Anti-skating adjustment available.

Cartridge:

• Factory-fitted with a VM (dual magnet) type cartridge (specific model varies).

• Recommended stylus pressure: 2 grams.

• Output voltage: approximately 5 mV (DIN).

• Channel separation: more than 20 dB (DIN).

• Frequency response: 0 dB at 1 kHz, +2 dB at 10 kHz.

Operation and Features:

• Fully automatic operation with auto-return tonearm.

• Controls include speed selector, pitch control, and arm lifter.

• Overhang and auto-return adjustments facilitated by grooves on the rubber mat and screws.

• Power consumption: approximately 6W.

• Voltage options vary by region (100V to 240V, 50/60 Hz).

Dimensions and Weight:

• Dimensions: 440 mm (W) x 140 mm (H) x 403 mm (D) (17.3" x 5.5" x 15.8").

• Weight: approximately 5.7 kg (12.6 lbs).

Additional Notes:

• Known for stable speed control and reliable automatic operation.

• Suitable for home and casual listening.

• Replacement cartridges and parts are available.

• Service manual provides detailed adjustment and maintenance instructions.