Thank you for purchasing this YAMAHA stereo cassette deck.

SAFETY INSTRUCTIONS

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

ÖExplanation of Graphical Symbols

The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert you to the presence of uninsulated “dangerous voltage” within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is intended to alert you to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.

WARNING

TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.

1Read Instructions — All the safety and operating instructions should be read before the unit is operated.

2Retain Instructions — The safety and operating instructions should be retained for future reference.

3Heed Warnings — All warnings on the unit and in the operating instructions should be adhered to.

4Follow Instructions — All operating and other instructions should be followed.

5Water and Moisture — The unit should not be used near water — for example, near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, or near swimming pool, etc.

6Carts and Stands — The unit should be used only with a cart or stand that is recommended by the manufacturer.

6A A unit and cart combination should be moved with care. Quick stops, excessive force, and uneven surfaces may cause the unit and cart combination to overturn.

7Wall or Ceiling Mounting — The unit should be mounted to a wall or ceiling only as recommended by the manufacturer.

8Ventilation — The unit should be situated so that its location or position does not interfere with its proper ventilation. For example, the unit should not be situated on a bed, sofa, rug or similar surfaces that may block the ventilation openings: or placed in a built-in installation, such as a bookcase or cabinet that may impede the flow of air through the ventilation openings.

9Heat — The unit should be situated away from heat sources such as radiators, stoves, or other units that produce heat.

10Power Sources — The unit should be connected to a power supply only of the type described in the operating instructions or as marked on the unit.

11Power-Cord Protection — Power-supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying attention to receptacles, and the point where they exit from the unit.

12Cleaning — The unit should be cleaned only as recommended by the manufacturer.

13No Use Periods — The power cord of the unit should be unplugged from the outlet when left unused for a long period of time.

14Object and Liquid Entry — Care should be taken so that objects do not fall into and liquids not spilled into the inside of the unit.

15Damage Requiring Service — The unit should be serviced by qualified service personnel when:

A. The power-supply cord or the plug has been damaged; or

B. Objects have fallen, or liquid has been spilled into the unit; or

C. The unit has been exposed to rain; or

D. The unit does not appear to operate normally or exhibits a marked change in performance; or

E. The unit has been dropped, or the cabinet damaged.

16Servicing — The user should not attempt to service the unit beyond those means described in the operating instructions. All other servicing should be referred to qualified service personnel.

17Grounding or Polarization — The precautions should be taken so that the grounding or polarization of the unit is not defeated.

This unit is not disconnected from the AC power source as long as it is connected to the wall outlet, even if the unit itself is turned off. This state is called the standby mode. In this state, the unit is designed to consume a very small quantity of power.

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Yamaha KX-W321, KX-W421 owner manual Safety Instructions
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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.
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