Onkyo A 9755, A 9555 Instruction Manual

Pages 20

Year 2005

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Onkyo A 9755, A 9555 Specification

The Onkyo A-9755 and A-9555 are integrated stereo amplifiers that deliver high-fidelity audio performance, reflecting Onkyo's dedication to superior sound quality and robust construction. The A-9755 is designed with a focus on power and clarity, featuring a high-capacity power supply and discrete output stage components that ensure efficient power delivery and minimal signal distortion. It offers a power output of 150 watts per channel, which provides ample headroom for dynamic musical passages. The amplifier incorporates Onkyo's Vector Linear (VL) Digital Technology, which enhances signal processing accuracy, resulting in a cleaner and more detailed audio reproduction.

The A-9555, while slightly less powerful, still maintains a strong performance with a power output of 100 watts per channel. It shares the VL Digital Technology with the A-9755, ensuring a similar level of audio precision. Both models feature a robust chassis design to minimize vibrations and resonance, further contributing to their high-quality sound output. The amplifiers are equipped with multiple input options, including phono inputs for vinyl enthusiasts, allowing for a versatile audio experience across various media formats.

Both the Onkyo A-9755 and A-9555 emphasize user-friendly operation with straightforward control layouts and clear labeling, making them accessible to both audiophiles and casual listeners. The amplifiers also feature high-grade binding posts for secure speaker connections and support for bi-wiring or bi-amping configurations, offering flexibility for speaker setup optimization. Overall, the Onkyo A-9755 and A-9555 are engineered to provide a powerful and immersive audio experience, appealing to users seeking reliability and high-quality sound.

Onkyo A 9755, A 9555 F.A.Q.

How do I connect my Onkyo A-9755 to external speakers?

To connect external speakers to your Onkyo A-9755, ensure the amplifier is turned off. Connect the speaker cables to the appropriate speaker outputs on the back panel, ensuring correct polarity (positive to positive, negative to negative).

What should I do if my Onkyo A-9555 is not powering on?

First, check if the power cord is securely connected. Ensure the outlet is functional by testing it with another device. If the problem persists, inspect the fuse and replace it if necessary.

How can I reset the Onkyo A-9755 to factory settings?

To reset the Onkyo A-9755 to factory settings, turn off the unit. Then, press and hold the 'Power' button for about 10 seconds until the display shows "Clear". Release the button to complete the reset.

What is the best way to clean my Onkyo A-9555?

To clean your Onkyo A-9555, use a soft, dry cloth. For more stubborn dirt, slightly dampen the cloth with a mild detergent solution. Avoid using alcohol-based cleaners or spraying liquids directly onto the unit.

Why is there no sound coming from my Onkyo A-9755?

Ensure that the volume is turned up and not muted. Check the speaker connections and confirm that the correct input source is selected. Verify that external devices connected to the amplifier are functioning properly.

Can I use headphones with my Onkyo A-9555?

Yes, you can use headphones with the Onkyo A-9555. Simply plug them into the headphone jack located on the front panel of the amplifier. Ensure the volume is set to a safe level before listening.

How do I integrate my Onkyo A-9755 with a home theater system?

To integrate the Onkyo A-9755 with a home theater system, connect the amplifier's outputs to the appropriate inputs on your home theater receiver. Use high-quality cables to ensure optimal audio performance.

What should I do if my Onkyo A-9555 overheats?

Ensure that the vents are not blocked and that there is adequate ventilation around the unit. Avoid placing the amplifier in confined spaces or near heat sources. If the problem persists, have the unit inspected by a professional.

How can I enhance the audio quality of my Onkyo A-9755?

To enhance audio quality, ensure that high-quality cables are used and that speaker placement is optimized for your room. Consider using an external DAC for improved digital audio processing.

What maintenance does my Onkyo A-9555 require for longevity?

Regularly dust the exterior with a soft, dry cloth. Ensure that the unit is kept in a cool, dry environment to prevent moisture and heat damage. Periodically check and clean the input/output jacks for dust and debris.