Onkyo A-9070 Stereo Integrated Amplifier With Built-In DAC

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Onkyo A-9070 Stereo Integrated Amplifier With Built-In DAC

  • AWRAT (Advanced Wide Range Amplifier Technology)
  • Parallel Push-Pull Amplification Design with Three-Stage Inverted Darlington Circuitry
  • Four Amplifier Modes for the Ultimate in Versatility
  • Separate Wolfson® 192 kHz/24-Bit DACs for L/R Channels
  • New Circuit Board Construction

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SKU: A9070 Category:

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Onkyo-A9070+Paradigm CS-60SQ-SM++
Price for all:   $2,144.96

Product Description

Onkyo A-9070 Stereo Integrated Amplifier With Built-In DAC

Onkyo A-9070 Stereo Integrated Amplifier With Built-In DAC is combination of Integrated Stereo Amplifier Power and Clarity in One Sophisticated Device Onkyo and has declared war on distortion.

An Integrated AMP With… Integrity

Stereo. Two track for two ears. Still the gold standard for so much music listening today. Onkyo honors the simplicity and purity of stereo delivery with the A-9070 integrated amp, a meticulously engineered component that lives to treat both channels of your music with intensive, calibrated, and individualized attention.

There’s plenty of power for demanding speakers. 75 watts pure channel of toned sonic muscle. High Instantaneous-Current Capability (HICC) uses four beefy on-board  capacitors to provide instant energy for fast transients and punchy percussive attacks, while providing authoritative control to assist the speakers’ fast recovery for the next musical challenge.

Distortion Destroyer

With the Onkyo A-9070 integrated amp, Onkyo has declared war on distortion. Their Dynamic Intermodulation Distortion Reduction Circuitry (DIDRC) helps to dampen and reduce super high frequency distortion, a common issue for today’s digital music sources. Parallel push-pull amplification works to reduce other possible sources of distortion to inaudible levels. The unit’s case is constructed with vibration damping in mind, to reduce yet another possible source of sound degradation. And despite tipping the scale at a hair under 40 lbs., it’s attractive: sleek and minimalist.

Your Digital Sources, Polished

Onkyo A-9070 blend of power and precision can put fresh sparkle in classic music sources like a turntable or tape deck. And Onkyo is dead serious about making the most out of your digital sources. Two Wolfson® 24-bit/192 kHz digital-to-analog converters (DACs), dedicated to each channel, take a stream of 1s and 0s entering the unit from the optical and coaxial digital inputs and build them into beautiful music. Many of the A-9070’s competitors need an external DAC to interface with disc players or streaming digital media players like a Sonos Connect® or Apple TV®. Onkyo coddled your digital sources with world-class circuitry, without the need for any additional purchases.

A “Transformer” Too

You might not need other components once deemed essential, either. This amp has four discrete modes that effectively turn it into three separate components. Its primary function is as an integrated amp, of course, but you can also use its preamp section to feed a separate power amp, or use its power amp with a preamp or receiver. Plus there’s a split preamp/power amp mode that allows you to splice in a component in the path, like an equalizer. This unique flexibility means the A-9070 can be an excellent  add-on upgrade for your home theater receiver, giving you options for great stereo music and extra power for your surround setup. And that’s just one possible configuration. However you use the A-9070 in your system, you’ll appreciate the build quality and attention to detail evident in touches like the machined, gold-plated input and output terminals.

AWRAT (Advanced Wide Range Amplifier Technology)

Despite being beyond the normal range of human hearing, frequencies above 100 kHz are susceptible to clock pulse and other forms of distortion from digital devices. Such distortion in the super high frequency range can generate “beat interference”, which in turn affects the character or atmosphere of the original sound. By improving linearity and reducing distortion in the super-high frequency range, Onkyo’s new DIDRC technology effectively reduces perceptible noise.

Low Negative-Feedback Design

Too much NFB makes a system susceptible to counter-electromotive force from the speakers, resulting in a drop in perceived sound quality. To avoid this, Onkyo focuses on improving the frequency response and reducing distortion, without relying so much on NFB.

Closed Ground-Loop Circuits

Onkyo A-9070 employs a sophisticated closed-circuit design in which each circuit has a separate link to the power supply. This helps to cancel individual circuit noise and keep the ground potential free of distortion.

HICC (High Instantaneous-Current Capability)

Handling current loads up to 100 amperes, HICC enables an amplifier to immediately cancel the speakers’ reflex energy and instantaneously send out the next signal. The same high current required to achieve this also supports the amplifier’s ability to handle speaker impedance fluctuations.

Symmetrical Twin-Monaural Construction

Power devices for the left and right channels of the A-9070 are aligned symmetrically. Each channel has the same electrical and structural design, and signal pathways are uniform in length. This helps to minimize errors in stereophonic playback.

Parallel Push-Pull Amplification Design with Three-Stage Inverted Darlington Circuitry

With parallel “push-pull” amplification, the amplifier’s transistors alternately “push” and “pull” the current. In pairs, one output device (a transistor) will amplify the positive half of the waveform, while another output device amplifies the negative. Push-pull amplification is highly efficient, but can be affected by occasional instances of distortion. This is where the three-stage inverted Darlington circuitry comes in. Three-stage inverted Darlington circuitry actively works to reduce distortion by employing a low negative-feedback design to maintain voltage stability and enhance transient response. It’s extremely sensitive to oscillations and requires sophisticated control technology. Together with the push-pull amplifier design, the three-stage inverted Darlington Circuitry shapes a clean, consistent signal to send to the outputs.

Four Amplifier Modes for the Ultimate in Versatility

Boasting the combined capabilities of a pre-amp and a power amp, the A-9070 is an amplifier with a difference. At the turn of a knob, it can be configured to run in any one of four distinct modes. Depending on how you want to integrate it into your hi-fi system, you can use it as an integrated amp, as a power amp, or as a pre-amp. On top of that, you can also set up the A-9070 in split mode. This enables the pre-amp and power amp to work separately, so you can incorporate another device, such as an equalizer.

Separate Wolfson® 192 kHz/24-Bit DACs for L/R Channels

High-quality Wolfson DACs work to optimize analog audio performance on the A-9070. The receiver features dual 24-bit WM8742 DACs, which support sampling rates of up to 192 kHz.

New Circuit Board Construction

Rather than being directly connected to the chassis base, the circuit boards inside the A-9070 are cushioned by internal struts and affixed to the front, side, and rear panels.

Audiophile-Quality Parts

Onkyo A-9070  To ensure optimal performance from the A-9070, Onkyo’s engineers incorporated a range of professional-grade parts. Four 15,000-microfarad capacitors and an extremely low-impedance 1.2 mm thick copper bus plate both contribute to achieving a smooth and stable power supply.

Additional Information

Specifications

Performance Specs
– Watts RMS per Channel (8-ohms): 75
– Watts RMS per Channel (4-ohms): 140
– Frequency Bandwidth: 20-20k
– THD: 0.05%
– Minimum Impedance: 4 ohms
– Signal to Noise Ratio: 107

Digital Music Features
– Built-in DAC (Digital to Analog Converter): Yes
– High-resolution Audio Playback: No
– Bluetooth: No

Connections
– Total Analog Inputs: 4
– Phono Input: Yes
– Optical Digital Inputs: 1
– Coaxial Digital Inputs: 2
– USB Input: No
– Preamp Outputs: Stereo
– Headphone Output: 1/4″

Receivers - Channels

2

Receivers - Watts Per Channel

76 to 100w, 126 to 160w

Receivers - HDMI Inputs

6

Receivers - HDMI Outputs

1

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Onkyo Canada 1 Year Limited warranty

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