Onkyo A 9070 Instruction Manual

Onkyo A 9070 manual cover
Pages 44
Year 2011
Language(s)
English en

Onkyo A 9070 Specification

The Onkyo A-9070 is a high-fidelity integrated stereo amplifier designed to deliver superior audio performance for discerning audiophiles. This amplifier embodies a blend of advanced technology and craftsmanship, engineered to provide an immersive sound experience. It features a robust build with a sleek aluminum front panel, ensuring both durability and aesthetic appeal.

At the core of the A-9070 is its dual-mono configuration, which ensures channel separation and minimizes crosstalk, enhancing sound clarity and precision. The amplifier boasts a power output of 140 watts per channel at 4 ohms, driving speakers with ample power and dynamic range. It incorporates DIDRC (Dynamic Intermodulation Distortion Reduction Circuitry) technology to reduce noise and distortion, refining audio quality further.

The A-9070 supports a wide range of inputs, including four digital inputs (two optical and two coaxial) and six analog inputs, offering versatility in connectivity. It also features a dedicated phono input, catering to vinyl enthusiasts, and a preamp bypass mode that allows it to function as a power amplifier in a more complex audio setup.

Internally, the amplifier utilizes premium components such as audiophile-grade capacitors and discrete amplifiers, ensuring high-fidelity sound reproduction. The Wolfson 192 kHz/24-bit DACs process digital signals with exceptional accuracy, enhancing the listening experience with rich detail and depth. Additionally, the A-9070 includes a three-stage inverted Darlington circuit and a symmetrical layout that contributes to its impressive sound staging and stereo imaging capabilities.

Overall, the Onkyo A-9070 stands out as a versatile and powerful amplifier, suitable for both digital and analog audio sources, making it an excellent choice for those seeking high-quality sound and reliable performance.

Onkyo A 9070 F.A.Q.

How do I connect my Onkyo A-9070 to a turntable?

To connect a turntable to your Onkyo A-9070, use the PHONO input on the back of the amplifier. Ensure that your turntable has a built-in preamp or connect an external preamp if needed.

What is the best way to maintain the Onkyo A-9070 for optimal performance?

Regularly dust the exterior with a soft cloth and ensure adequate ventilation around the unit to prevent overheating. Periodically check and tighten any loose connections.

Can the Onkyo A-9070 be used in a home theater setup?

The Onkyo A-9070 is primarily designed for stereo audio. It can be integrated into a home theater setup but will not provide multi-channel surround sound.

Why does my Onkyo A-9070 shut off unexpectedly?

The unit may be overheating or experiencing a power surge. Ensure that there is proper ventilation and check the power connections. If the issue persists, consult a technician.

How do I perform a factory reset on the Onkyo A-9070?

To perform a factory reset, turn off the unit and then press and hold the power button for several seconds until the display shows the reset message. Release the button to confirm.

What should I do if there is no sound output from the Onkyo A-9070?

First, check the speaker connections and ensure the speakers are functioning. Verify the input source and volume settings. If needed, consult the user manual for further troubleshooting steps.

How can I improve the sound quality of my Onkyo A-9070?

Consider upgrading your speaker cables and ensuring proper speaker placement. Additionally, use high-quality audio sources and experiment with the tone controls on the amplifier.

Is it possible to bi-wire speakers with the Onkyo A-9070?

Yes, the Onkyo A-9070 supports bi-wiring. Use the A and B speaker terminals to connect to the high and low frequency terminals on your speakers.

What is the recommended impedance for speakers used with the Onkyo A-9070?

The recommended speaker impedance for the Onkyo A-9070 is between 4 and 16 ohms. Ensure your speakers are within this range for optimal performance.

How can I clean the inside of my Onkyo A-9070 without voiding the warranty?

Cleaning the inside of the unit should be performed by a professional technician to avoid damage and voiding the warranty. Regular exterior cleaning can be done with a dry cloth.