Yamaha AX-390 Owner's Manual

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Yamaha AX-390 Amplifier Specification

The Yamaha AX-390 is a high-fidelity integrated amplifier designed for audio enthusiasts seeking superior sound quality and robust performance. It delivers a continuous output power of 60 watts per channel at 8 ohms, providing ample power for driving a wide range of speakers with clarity and precision. The amplifier features a frequency response range from 20 Hz to 20 kHz, ensuring accurate reproduction of audio across the entire audible spectrum. Its Total Harmonic Distortion (THD) is exceptionally low at 0.015%, contributing to the clean and distortion-free sound output that Yamaha is renowned for.

The AX-390 incorporates a high dynamic power capability, with a dynamic power output of 85 watts per channel at 8 ohms, allowing it to handle demanding musical passages with ease. It includes a Pure Direct switch, which bypasses unnecessary circuitry to maintain signal purity, catering to audiophiles who prefer an uncolored audio experience. The amplifier is equipped with a range of inputs including phono, CD, tuner, and auxiliary, offering versatility and ease of connectivity with various audio sources. The phono input supports both moving magnet (MM) cartridges, making it suitable for vinyl enthusiasts.

For user convenience, the AX-390 comes with a rotary volume control and bass, treble, and balance adjustments to tailor the audio output according to personal preferences. It also includes a headphone output for private listening. The amplifier's design reflects Yamaha's commitment to quality, with a sleek and durable chassis that fits seamlessly into any audio setup. Overall, the Yamaha AX-390 is engineered to provide exceptional sound quality and reliability, making it a compelling choice for both casual listeners and serious audiophiles.

Yamaha AX-390 Amplifier F.A.Q.

How do I connect the Yamaha AX-390 Amplifier to my audio system?

To connect the Yamaha AX-390 to your audio system, use RCA cables to connect the audio output of your source device (like a CD player or turntable) to the input jacks on the amplifier. Then, connect your speakers to the speaker terminals on the amplifier ensuring the polarity is correct. Finally, plug the amplifier into a power source and turn it on.

What should I do if the Yamaha AX-390 is not powering on?

First, check if the power cable is securely connected to both the amplifier and the wall outlet. Ensure the outlet is supplying power by testing it with another device. If the amplifier still does not power on, check the internal fuse and replace it if necessary. If the problem persists, consult a professional technician.

How can I troubleshoot sound distortion on my Yamaha AX-390?

If you experience sound distortion, check the speaker connections to ensure they are secure and the correct impedance. Verify that the input source is not at fault by testing with another device. Also, make sure the volume levels are not set too high, as this can cause distortion.

What is the best way to clean and maintain my Yamaha AX-390 Amplifier?

To clean the Yamaha AX-390, turn off the amplifier and unplug it from the power source. Use a soft, dry cloth to wipe the exterior. Avoid using liquids or aerosol cleaners. For the controls and connectors, use a contact cleaner sparingly to remove dust and debris. Regularly check the ventilation openings for dust buildup.

Can I connect a subwoofer directly to the Yamaha AX-390?

The Yamaha AX-390 does not have a dedicated subwoofer output. However, you can connect a subwoofer with speaker-level inputs by connecting it in parallel with your main speakers to the speaker terminals. Make sure your subwoofer supports this type of connection.

How do I reset the Yamaha AX-390 Amplifier to factory settings?

The Yamaha AX-390 does not have a digital reset function. To reset, turn off the amplifier, disconnect all cables, and unplug it from the power source. Leave it unplugged for a few minutes, then reconnect everything and power it back on.

What should I do if there is no sound output from the Yamaha AX-390?

Ensure that all cables are properly connected and the correct input source is selected. Check the speaker connections and ensure the mute function is not activated. If the issue persists, try connecting a different audio source to rule out a faulty input device.

How can I improve the sound quality of my Yamaha AX-390 Amplifier?

To enhance sound quality, ensure your speakers are positioned correctly and the room acoustics are optimized. Use high-quality cables for connections and make sure the source material is of good quality. Adjust the tone controls on the amplifier to suit your preferences.

Is it possible to bi-wire speakers with the Yamaha AX-390?

Yes, you can bi-wire speakers with the Yamaha AX-390. Connect separate cables to the amplifier's speaker terminals and run them to the separate high and low frequency terminals on your speakers. This can potentially improve sound clarity and detail.

What precautions should I take when moving my Yamaha AX-390 Amplifier?

When moving the Yamaha AX-390, turn it off and unplug all cables. Use the original packaging if available or ensure it is well-padded to prevent damage. Handle the amplifier carefully to avoid impacts and do not expose it to moisture or extreme temperatures.