Onkyo A-9070 Integrated Stereo Amplifier

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₹ 95,000.00

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Ooberpad announces the availability of Onkyo A-9070 Integrated Stereo Amplifier. Onkyo is at loggerheads with distortion. It has sustainedly succeeded against the noise and moment you switch on the A-9070 Integrated Stereo Amplifier the aural experience stands testament to its impeccable sound quality. New DIDRC (Dynamic Intermodulation Distortion Reduction Circuitry) dampens super high-frequency distortion. Closed ground-loop circuits, HICC (High Instantaneous-Current Capability), and vibration-damping construction combine to deliver sharp and stunning sound across a wide dynamic range.

The unit’s four 15,000 µF capacitors keep massive amount of power ready. Efficient parallel push-pull amplification paired with three-stage inverted Darlington circuitry works at reducing distortion to the bare minimum. Separate Wolfson® 192 kHz/24-bit DACs for both left and right channels enhance performance. The unit is also equipped with 192 kHz/24-bit HD audio playback to handle modern formats. Four discrete amplifier modes—integrated amp, power amp, pre-amp, and split pre-amp/power amp—offer flexibility when integrating other hi-fi components. Details like an independent headphone amplifier, a phonograph equalizer, three digital audio inputs, four analog inputs, and gold-plated audio terminals/speaker posts speak of the highest build quality. The unmatched craftsmanship, technological refinement, and eye to detail invested in the A-9070 make it a worthy contender in the market for top-shelf hi-fi gear.


1-year manufacturer's warranty

Key Features:

  • 140 W/Ch at 4 Ω, 20 Hz–20 kHz, 0.05%, 2 Channels
  • Driven, IEC
  • AWRAT (Advanced Wide Range Amplifier
  • Technology)
  • DIDRC (Dynamic Intermodulation Distortion
  • Reduction Circuitry)
  • Parallel Push-Pull Amplification Design with ThreeStage Inverted Darlington Circuitry
  • 192 kHz/24-Bit HD Audio Playback via Coaxial
  • Inputs
  • New Circuit Board Construction with Internal
  • Struts to Reduce Vibration
  • Symmetrical Layout of L/R Channels
  • Separate Wolfson® 192 kHz/24-Bit DACs (WM8742
  • x 2) for L/R Channels
  • Four Large 15,000 µF Capacitors
  • 1.2 mm-Thick Copper Bus Plate for Perfect
  • Grounding
  • Four Amplifier Modes (Integrated Amp, Power Amp,
  • Pre-Amp, Split Pre-Amp/Power Amp)
  • 3 Digital Audio Inputs (1 Optical and 2 Coaxial)
  • 3 Analog Audio Inputs and 1 Output
  • Main-In Terminal
  • Independent Headphone Amplifier
  • Discrete Phono Equalizer (MM/MC)
  • Speaker A/B Drive
  • Audio L/R Pre-Out
  • Customized, Gold-Plated, Banana Plug-Compatible
  • Speaker Posts
  • Machined, Gold-Plated RCA and Phono Terminals
  • Auto Standby Function

Benefits of Onkyo A-9070 Integrated Stereo Amplifier:

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 adversely affected by occasional distortion. This is where the three-stage inverted Darlington circuitry comes handy. Three-stage inverted Darlington circuitry actively works to mitigate distortion by employing a low negative-feedback design to maintain voltage stability and level up the 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.

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. Although these DACs are engineered to handle two-channel audio on a single chip, Onkyo employs separate chips for each stereo channel to ensure the precision-engineered digital-to-analog conversion.

Four Amplifier Modes for the Ultimate in Versatility

A cumulative of 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. Additionally, 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.

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. This method of construction prevents vibrations from the chassis from impacting the circuit boards.

Audiophile-Quality Parts

To ensure best-in-class 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. Machined and gold-plated RCA and phono terminals ensure a clean connection.

Where to buy?
Buy the Onkyo A-9070 Integrated Stereo Amplifier online at the best price in Mumbai, Delhi, Bangalore, Chennai, and all across India. Enjoy expert, prompt, and courteous customer service from the Ooberpad team. We offer you unmatched pre-sales support to help you make the right buying decision.

Technical Specifications of Onkyo A-9070 Integrated Stereo Amplifier:

Brand & Model # Onkyo A-9070 Integrated Stereo Amplifier
Power Output
140 W/Ch (4 Ω, 20 Hz–20 kHz, 0.05%, 2 channels driven, IEC) 75 W/Ch (8 Ω, 20 Hz–20 kHz, 0.05%, 2 channels driven, IEC)
Dynamic Power
450 W (1 Ω), 310 W (2 Ω), 230 W (3 Ω), 180 W (4 Ω), 100 W (8 Ω)
THD+N (Total Harmonic Distortion + Noise)
0.006% (Half power) 0.03% (1 kHz, 1 W Output) 0.008% (20 Hz–20 kHz, Half power) 0.03% (20 Hz–20 kHz, 1 W Output)
Damping Factor
130 (1 kHz, 8 Ω)
Input Sensitivity and Impedance
150 mV/47 kΩ (Line) 2.25 mV/47 kΩ (Phono MM) 0.18 mV/100 Ω (Phono MC)
Rated RCA Output Level and Impedance
I V/300 Ω (Pre out)
Maximum RCA Output Level and Impedance
5 V/300 Ω (Pre out)
Phono Overload
70 mV (MM, 1 kHz, 0.5%) 5.2 mV (MC, 1 kHz, 0.5%)
Frequency Response
10 Hz–100 kHz/+0 dB, -1 dB (1 W, Line) 1 Hz−250 kHz/+0 dB, -3 dB (1 W, 8 Ω)
Tone Control
±10 dB, 80 Hz (Bass)
±10 dB, 10 kHz (Treble)
Signal-to-Noise Ratio
107 dB (Line, IHF-A) 60 dB (Phono MM, IHF-A) 70 dB (Phono MC, IHF-A)
Speaker Impedance
4 Ω–16 Ω (A or B), 8 Ω–16 Ω (A + B)
Power Supply
AC 230 V~, 50 Hz
Power Consumption
290 W
Standby Power Consumption
0.2 W
Dimensions (W x H x D)
435 x 174.5 x 431 mm
18.1 kg

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