Akai Cs-f21 | QUICK |
For standard, budget-friendly voice and casual music recordings. Chrome ( CrO2CrO sub 2
A feature often missing on lower-end decks, this allows you to adjust the output level to match other components in your system. Maintaining the Akai CS-F21 Today Because the Akai CS-F21
The is a vintage 2-head, single compact cassette deck manufactured in Japan during the golden era of analog audio between 1982 and 1983 . Known for balancing entry-level affordability with high-end audio engineering, this deck represents Akai’s push into high-density component designs. Equipped with advanced Dolby noise reduction and comprehensive tape compatibility, the
If you find one at a garage sale with a stuck reel, don't walk away. Pay $20, fix the idler tire, clean the switches, and you will have a deck that out-performs anything new under $500. The CS-F21 is proof that Akai’s "second tier" was still a class above most of the competition.
You will likely buy this as a "For Parts or Not Working" unit on eBay or Yahoo Auctions Japan. Here is what breaks:
Are you planning to use it primarily for or for making your own tape recordings ? akai cs-f21
| Feature | Akai CS-F21 | Technics RS-M205 | Sony TC-FX410 | | :--- | :--- | :--- | :--- | | | Direct Drive | Direct Drive | Belt Drive | | Heads | Hard Permalloy | Sendust | Permalloy | | Metal Tape | Yes | Yes | No | | Dolby | B & C | B only | B & C | | Build | Heavy steel | Heavy steel | Plastic front | | Current Value | $100-200 | $150-250 | $50-100 |
It features "Cassette Back Lighting," making it easy to see how much tape remains during a recording session.
Despite being a 2-head machine, the was well-equipped to compete with more expensive decks of its time. Tape Handling and Heads
If you purchase a used unit, note that common 40-year-old rubber fatigue often requires basic maintenance. Collectors and hobbyists should focus on two main areas: Belt Replacement
| Category | Specification | | :--- | :--- | | | 2-head, single compact cassette deck | | Track System | 4-track, 2-channel stereo | | Tape Speed | 4.76 cm/s | | Heads | 1 x record/playback, 1 x erase | | Motors | 1 x electronically speed controlled DC motor | | Tape Types | Normal (Type I), Chrome (CrO₂/Type II), Metal (Type IV) | | Noise Reduction | Dolby B, Dolby C | | Frequency Response | 30 - 15,000 Hz (Type I), 30 - 16,000 Hz (Type II), 30 - 18,000 Hz (Type IV) | | Signal-to-Noise Ratio | >60 dB (without Dolby), >73 dB (with Dolby C) | | Wow and Flutter | ± 0.04 % (WRMS) | | Total Harmonic Distortion (THD) | 0.8% | | Inputs | 70 mV / 47 kOhm (Line), 0.25 mV / 600 Ohm (Mic) | | Outputs | 410 mV (Line), Headphone jack, DIN socket | | Dimensions | 440 x 103 x 273 mm | | Weight | 4.1 kg | | Manufacturing Period | 1982 - 1985 | | Original Retail Price | USD $250 (approx.) | The CS-F21 is proof that Akai’s "second tier"
While it's almost guaranteed to require some level of service (at the very least, a belt replacement and a good cleaning), this is part of the charm and reward of owning a piece of audio history. For the DIY enthusiast, restoring a CS-F21 to its former glory is a fun and educational project. For the listener, the payoff is the opportunity to experience analog sound in a way that modern digital sources often cannot replicate.
The inclusion of both Dolby B and Dolby C noise reduction is a major highlight. Dolby C offered a significant improvement, providing up to 20 dB of noise reduction at higher frequencies compared to Dolby B, resulting in much cleaner recordings.
While generally reliable, vintage units may require maintenance. Common issues include aged belts—often replaceable via the Akai CS-F21 Service Manual—and solenoid sticking, which can prevent the mechanism from engaging properly. For collectors, the
The logic transport allows for automatic playback after rewinding.
remains a highly sought-after component for hifi collectors and modern cassette enthusiasts alike. Technical Specifications Overview To understand the engineering behind the Akai CS-F21 It offers a clean
Audio levels are visualized via a bright, digital peak-reading VU meter. This assists users in preventing signal clipping during recording. Tape positioning relies on a standard 3-digit mechanical counter. The front panel features two mono microphone inputs for live stereo recording, a standard headphone output jack, and a Master Record Level dial with a separate channel balance wheel. The rear panel houses standard stereo RCA input and output connectors. Performance and Modern Acoustic Value
is a sturdy machine, its age (40+ years) often requires specific maintenance to keep it running at "audiophile" levels. Common Issues
Periodically demagnetizing the heads will prevent unwanted tape noise and degradation. Conclusion: Should You Buy an Akai CS-F21 ? Akai CS-F21
features the classic silver-faced aesthetic popular in late 70s/early 80s hi-fi. It offers a clean, straightforward layout with , which became the standard during this era.