Akai 202D-SS (c. 1975)
A 4-channel reel-to-reel tape deck with 3-motor drive and dual-speed capability, designed for surround stereo recording and playback.
Overview
The Akai 202D-SS is a 4-channel reel-to-reel tape deck made for quadraphonic audio recording and playback. It supports both 4ch and 2ch recording, with 2-channel Oatley verse playback capability. Built around a 3-head system and a 3-motor mechanism using oil circulation type oil-free motors, it offers precise tape control. The unit includes a tape selector and automatic stop function, and operates at 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 a 3-head configuration and a 3-motor mechanism with oil circulation type oil-free motors for stable tape transport. It includes a tape selector and automatic stop mechanism for operational convenience.
Market
Listings from recent years show units selling between $150 and $859.75, with common issues including tape transport failures and degraded playback heads due to age. Service manuals are available online to support maintenance and repair.
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