, 
, or 
).
: When playback or fast forwarding (or rewinding) of one side of a tape is finished, the deck stops at the end of the tape.
:Both sides of the tape are played back. After playing, the deck stops at the end of the tape. (When the tape running direction is set to 
: Both sides of the tape are repeatedly played back (up to 8 times).
KX-W421, KX-W321 specifications
The Yamaha KX-W321 and KX-W421 cassette decks represent a significant advancement in analog audio technology, catering to audio enthusiasts who cherish the warm sound of cassette tapes. These decks are part of Yamaha's esteemed lineup and have established a loyal following due to their exceptional sound quality, user-friendly functionality, and innovative features.One of the main features of both models is their dual transport design, which allows simultaneous playback and recording on separate cassette decks. This feature is particularly useful for creating high-quality copies of tapes or for mixing various audio sources seamlessly. Both decks support chrome and metal tapes, ensuring that users can achieve optimal sound quality regardless of the medium they choose.
The KX-W421 offers more advanced features compared to the KX-W321. One of the standout technologies in the KX-W421 is the Auto Reverse function. This technology allows for uninterrupted playback, automatically reversing the tape when one side is completed. This enhances the listening experience, especially for longer recordings or when users want continuous playback without manual intervention. Additionally, the KX-W421 boasts a built-in Dolby Noise Reduction system, which minimizes background noise and enhances overall sound clarity. This is an essential feature for maintaining sound fidelity, especially in older, worn cassettes.
Both models come equipped with a precision electronic tape counter, allowing users to easily track their position on the tape, making it convenient to find specific tracks or sections. Other desirable characteristics of the KX-W321 and KX-W421 include an adjustable recording level control, which allows users to fine-tune their recordings and avoid distortion. The high-quality construction of these decks also contributes to their durability and reliability, ensuring that they can withstand regular use.
In summary, the Yamaha KX-W321 and KX-W421 cassette decks are well-regarded for their excellent audio performance and practical features. With their dual transport capability, noise reduction technologies, and user-friendly controls, these cassette decks continue to delight audiophiles and casual listeners alike. Their blend of classic cassette functionality with reliable modern innovations makes them a thoughtful choice for anyone looking to explore or revisit the world of cassette tape audio.