Akai 202D-SS (c. 1975)

A 4-channel reel-to-reel tape deck with 3-motor drive and dual-speed capability, built for surround stereo recording and playback.

Overview

The Akai 202D-SS is a 4-channel reel-to-reel deck for quadraphonic recording and playback. It records in both 4ch and 2ch, and it can play back 2-channel Oatley verse. It has a 3-head system and a 3-motor mechanism, with oil circulation type oil-free motors, for precise tape control. It also has a tape selector and an automatic stop function. Two speeds: 19 cm/s and 9.5 cm/s.

Specifications

Tape speed	19cm/s and 9.5cm/s
Recording/playback capabilities	4ch/2ch recording and 2ch Oatley verse playback are possible
Frequency characteristic	30 Hz to 23 kHz
Wow and flutter	0.06% WRMS
Signal-to-noise ratio	58dB
External dimensions	Width 391 x Height 442 x Depth 231 mm
Weight	18kg
Original price	¥135,000 (around 1975)

Design

The 202D-SS uses 3 heads and a 3-motor mechanism with oil circulation type oil-free motors to keep the tape transport stable. The tape selector and automatic stop mechanism are there for convenience.

Market

Listings from recent years show units selling between $150 and $859.75. Common problems are tape transport failures and playback heads worn down by age. Service manuals are available online for maintenance and repair.