Akai AP-Q310C

The Akai AP-Q310C is a fully automatic, quartz-locked direct-drive turntable manufactured by Akai in Japan around 1982. It is essentially the same model as the AP-Q310 but typically comes factory-fitted with a cartridge.

Technical Overview

Drive and Motor:

• Direct drive system with quartz lock for precise and stable platter speed.

• Speeds supported: 33⅓ and 45 rpm.

• Wow and flutter: 0.08%.

• Rumble: -70 dB.

Platter:

• Aluminum alloy die-cast platter weighing approximately 1 kg, designed for smooth rotation and low resonance.

• Diameter: about 310 mm.

Tonearm and Cartridge:

• Moderate mass tonearm with static balance.

• Factory-fitted with a low-cost moving magnet cartridge, often the Akai PC-85 model with a plastic cantilever.

• Recommended stylus pressure: 2 grams.

• Cartridge output voltage: approximately 5 mV (DIN).

• Cartridge load impedance: 47 kΩ.

• Channel separation: 20 dB.

• Frequency response: 20 Hz to 20 kHz.

• Stylus replacements such as the RS-85 are available.

• Anti-skating adjustment corresponding to stylus pressure.

Operation and Features:

• Fully automatic operation including start, stop, and auto-return.

• Overhang adjustment facilitated by indicator grooves on the rubber mat.

• Tonearm lifter and brake adjustments for smooth cueing.

• Lead-in and lead-out position adjustments for precise auto return.

• Power consumption: 6W.

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

Dimensions and Weight:

• Dimensions: 440 mm (W) x 100 mm (H) x 345 mm (D) (17.3" x 3.9" x 13.6").

• Weight: approximately 5.4 kg (11.9 lbs).

Additional Notes:

• The sound of the AP-Q310 series was described in period reviews as somewhat flattened and compressed, leading to listener fatigue.

• Suitable for casual listening and entry-level vinyl playback.

• Replacement cartridges like Audio-Technica VM95 or Ortofon 2M series can significantly improve sound quality.

• Service manuals and parts are available for maintenance.