Onkyo A-9070 Integrated Stereo Amplifier with Built-in DAC

Model: A-9070 UPC: 751398010392 Item: 162236


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A-9070 Integrated Stereo Amplifier with Built-in DAC
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A-9070 Integrated Stereo Amplifier with Built-in DAC

Power and Clarity in One Sophisticated Device

Onkyo has declared war on distortion. The success of its campaign against noise is evident the moment you switch on the A-9070 Integrated Stereo Amplifier. 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 produce a startlingly pure sound across a wide dynamic range. The unit’s four 15,000 microfarad capacitors keep plenty of power at the ready. Efficient parallel push-pull amplification paired with three-stage inverted Darlington circuitry works at reducing distortion to almost nil. Separate Wolfson 192 kHz/24-bit DACs for both left and right channels improve 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 superb craftsmanship, technological refinement, and attention to detail invested in the A-9070 make it worthy of serious consideration for those in the market for top-shelf hi-fi gear. 


A-9070 Features:

  • Phono input
  • AWRAT (Advanced Wide Range Amplifier Technology)
  • DIDRC (Dynamic Intermodulation Distortion Reduction
  • Parallel Push-Pull Amplification Design with Three
  • 192 kHz/24-Bit HD Audio Playback via Coaxial
  • New Circuit Board Construction with Internal Strut
  • Symmetrical Layout of L/R Channels
  • Tone control (Bass, Treble)
  • Separate Wolfson 192 kHz/24-Bit DACs
  • Four Large 15,000 µF Capacitors
  • 3 Digital Audio Inputs (1 Optical and 2 Coaxial)
  • 3 Analog Audio Inputs and 1 Output
  • Customized, Gold-Plated, Banana Plug-Compatible
  • Machined, Gold-Plated RCA and Phono Terminals
  • Independent Headphone Amplifier


A-9070 Specifications:

  • Power Output: 140 W/Ch (4 ohms, 20 Hz; 20 kHz, 0.05%, 2 channels driven, FTC)
  • Dynamic Power:
    • 1 ohms – 450 W/Ch
    • 3 ohms – 230 W/Ch
    • 8 ohms – 100 W/Ch
  • Total Harmonic Distortion: 0.006% (Half power)
  • Damping Factor

Input Sensitivity and Impedance

  • Line: 150 mV/47 k-ohms
  • Phono MM: 2.25 mV/47 k-ohms
  • Phono MC: 0.18 mV/100 ohms

Output Level and Impedance

  • Rec out: 200 mV/2.2 k-ohms
  • Phono Overload: 70 mV (MM, 1 kHz, 0.5%)
  • Frequency Response: 10 Hz, 100 kHz +/ 0dB, -1dB (1 W, Line), 1 Hz-250kHz +/ 0dB, -3dB (1 W, 8 ohms)

Tone Control

  • Bass: +/10 dB, 80 Hz
  • Treble: +/10 dB, 10 kHz
  • Signal-to-Noise Ratio: 107 dB (Line, IHF-A)
  • Speaker Impedance: 4 ohms, 16 ohms (A or B), 8 ohms, 16 ohms (A + B)


  • Power Supply: AC 120 V, 60 Hz
  • Power Consumption: 3.3 A
  • Standby Power Consumption: 0.1 W
  • Dimensions (W x H x D): 17 1/8" x 6 7/8" x 16 15/16" (435 x 174.5 x 431 mm)
  • Weight: 39.9 lbs. (18.1 kg)



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