Akai CS-F36R (1982)
A compact, high-performance cassette deck from Akai’s early 1980s lineup, engineered for precision and durability with a focus on reliable auto-reverse operation.
Overview
The Akai CS-F36R is a cassette deck introduced around 1982, priced at ¥59,800, targeting audiophiles who valued consistent performance and mechanical innovation in tape transport design. It measures 440 mm wide, 118 mm high, and 309 mm deep, weighing approximately 7.6 kg—indicating a robust internal construction. The unit operates on 100 VAC at 50Hz or 60Hz and consumes 20W of power. Designed with a "click reverse" mechanism emphasizing basic performance, the CS-F36R uses an infrared tape sensor to enable quick and accurate auto-reverse functionality, minimizing mechanical wear and improving response time during direction changes.
Design
The CS-F36R features a bi-counter capstan drive system, meaning dedicated capstan shafts and pinch rollers are used for forward and reverse playback, ensuring uniform drive characteristics in both directions. This symmetrical design extends to the head layout, where recording and playback heads are positioned to maintain consistent performance regardless of tape direction. The head section uses a linear motion mechanism for precise head alignment during reversal, contributing to excellent uniformity in recording and playback. It employs an HD head for recording and playback, along with two erase heads, which have been moved outside the capstan area to enhance stability. A proprietary high-precision tape guide prevents tape deflection and uneven contact at the head, further improving tracking accuracy. The transport uses a 2-motor system: an electronically controlled DC motor for the capstan (delivering low wow and flutter), and a high-torque DC motor for the reels to ensure strong initial tape tension. Dolby B noise reduction is built in, offering up to 10 dB of noise reduction at 5 kHz or higher. The deck also includes an auto-mute mechanism that inserts a 4-second silent gap when activated, preparing the unit for recording. A 3-position reverse selector allows for one-way recording, round-trip recording, or continuous playback in either direction. Additionally, the CS-F36R supports autoplay functions combining play with fast-forward or rewind, usable in both directions. Optional remote control operation is possible via the separately sold wired RC-21 (¥6,000) or wireless RC-90 (¥18,000) units.
Market
With a signal-to-noise ratio of 60 dB (56 dB EIAJ), frequency response of 25 Hz to 18 kHz using metal tape, and a distortion factor of 0.7% (metal tape), the CS-F36R was positioned as a technically competent deck for its era. Its use of metal tape optimization and precision mechanics suggests it was aimed at serious tapers and system builders who prioritized long-term reliability and consistent playback quality.
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