An adapter cable must be fabricated to connect the trigger output of the control component to the AyreLink port of the KX-R preamplifier. The easiest way to do this is to remove the modular (RJ-11) connector from one end of a two-line telephone line cord. (This is the type of cord that connects the telephone set to the wall. A two-line cord will have four gold contacts on each connector.) Then attach the connector appropriate for the component with the trigger output. Please refer to the owner’s manual of that component for details.

Rear view of KX-R preamplifier.

The trigger voltage should be between +5 and +12 volts DC for proper operation. The current draw of the trigger input on the AyreLink port is less than 5 mA.

There are two signaling methods that may be used; level and pulse. The KX-R automatically senses which type of trigger signal is being sent and responds accordingly.

A positive-going pulse of greater than 250 msec is treated as a level-sensitive trigger. Shorter pulses are treated as a pulse-sensitive trigger. The minimum detectable pulse length is 200 μsec.

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Ayre Acoustics TK-7150, TK-8150 specifications Rear view of KX-R preamplifier
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TK-8150, TK-7150 specifications

Ayre Acoustics has long been synonymous with precision audio engineering and exceptional sound quality. Among their notable releases, the TK-8150 and TK-7150 integrated amplifiers stand out as epitomes of modern audio technology, offering audiophiles a delightful blend of performance and versatility.

The Ayre TK-8150 is a powerful 150-watt-per-channel integrated amplifier that boasts a wide range of features designed to elevate your listening experience. One of its key technologies is the unique "Ayre Class A" amplification, which ensures that the audio signals remain authentic and uncolored, preserving the integrity of the original recording. This technology minimizes distortion and maximizes dynamic range, whether you’re playing soft classical pieces or more robust rock tracks.

In contrast, the TK-7150 provides 75 watts per channel, making it a perfect option for those seeking a compact yet potent audio solution. Despite its smaller size, the TK-7150 does not compromise on sound quality, integrating the same advanced Class A technology that Ayre is renowned for. Both models come with a high-quality DAC, allowing for seamless digital decoding of high-resolution audio files.

Each amplifier features an extensive array of inputs, accommodating various sources including analog, USB, Coaxial, and Optical connections, ensuring compatibility with modern digital devices while maintaining the warmth and richness of analog sound. The front panel of both units is elegantly designed, featuring easy-to-navigate controls and clear indicators, making them user-friendly while providing a touch of sophistication to any audio setup.

In addition to superb audio performance, both the TK-8150 and TK-7150 are built with superior craftsmanship, employing high-grade components that contribute to their durability and reliability. Ayre Acoustics is committed to a sustainable design philosophy, and both amplifiers reflect this with their low power consumption and reduced environmental impact.

Overall, the Ayre Acoustics TK-8150 and TK-7150 integrated amplifiers cater to both audiophiles and casual listeners alike, combining advanced technology and design to redefine modern audio playback. With their exceptional sound quality, versatile connectivity, and elegant aesthetics, these amplifiers are a worthy investment for anyone serious about high-fidelity audio.
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