Onkyo Stereo Integrated Amplifier

Onkyo Stereo Integrated Amplifier

Take Music Further with True Fidelity
  • Refined Power Amplification Circuitry with Discrete SpectraModule™
  • Dedicated MM/MC Circuit Board and High Quality Discrete Head Amp
  • High Current Power Supply
  • Natural Music Reproduction with Hi-Grade DAC and DIDRC Filter
  • DIDRC Filter Prevents Ultra-high-frequency Distortion Affecting Audible Sound

Item #: 30985 SHIPS IN 3 TO 4 DAYS


List Price: $599.00

Your Savings: $109.06

REWARDS: 489 points
  • Details
  • Specs
  • Reviews
  • Manuals
  • What's Included
  • Refined Power Amplification

    In order to deliver a clear and comfortable audio image, it's vital that sounds of different frequencies arrive at the listening position simultaneously. Power amplification circuits feature original topology that's carefully tuned for phase accuracy, wide-spectrum signal reproduction, and natural transient response. Fitted with hand-selected audio-grade parts, the amplifier contributes to lifelike and involving sound quality.

    Nuanced Musicality Delivered with Discrete SpectraModule

    Discrete SpectraModule boasts a slew rate of over 500 V/μs, significantly higher than competitive products that use a standard IC chip. High-voltage performance enables flat linearity into the megahertz range for full-bandwidth signal reproduction. This is important not only for natural transients expressing the nuances in music with freshness and vitality, but also for accurate definition of instruments ranged around a larger and more realistic soundstage.

    Dedicated MM/MC Phono Circuit Board

    The A-9150 makes your records sound better than ever. A gold-plated phono input supports signals from either MM or MC cartridges fitted to your choice of turntable. Separate phono circuit board has dedicated equalizers served by a top-quality customized head amp, which operates in discrete configuration for MC signals. Together with analog power amplification, this high-grade phono input design expresses the depth and vitality of music on vinyl.

    Customized High-Current Transformer and Custom Audio-Grade Capacitors

    Current has great influence on sound quality. High current is required for a better grip on the speaker transducers, improving control and accuracy. A customized high-output transformer and two huge custom capacitors inside the A-9150 deliver current through discrete output-stage transistors that are kept cool by an aluminum heat sink. Speakers react instantly, with throw-range precisely controlled for accurate articulation even through dynamic and complex musical passages.

    DIDRC Filter and Hi-Grade DAC for Natural Sound

    Distortion in the ultra-high-frequency spectrum can have a noticeable impact on the character of audible sound. Even the best D/A converters introduce some noise to the signal, and that noise is amplified, distorting the sound you hear. DIDRC Filter completely erases ultra-high-frequency noise. Performance is optimized for digital music with an undistorted frequency response extending far above the range of audibility. Combined with a premium 768 kHz/32-bit DAC, you can enjoy a greater sense of realism from digital sources, with none of the unnatural "synthesized" feeling sometimes produced by digital processing.

    Solid Build with High-grade Terminals

    A peek under the hood tells you what to expect from the A-9150. Held in place by a flat chassis that tames resonance, the digital audio board is isolated from the analog circuitry. L/R channels are symmetrical to equalize signal path-lengths and minimize stereo playback errors. Coaxial digital inputs, phono input, speaker posts, and RCA line inputs are gold-plated and of excellent quality. Finished with an aluminum front panel and volume control, the A-9150 presents as a component built to last.

  • General
    Manufacturer Onkyo
    Manufacturer Product No. A-9150
    UPC 889951000990
    Amplifier Section
    Power Output 60 W/Ch (4 Ohms, 20 Hz-20 kHz, 0.08% THD, 2 Channels Driven, FTC)
    Total Harmonic Distortion + Noise 0.08% (20 Hz-20 kHz, Rated Power)
    Input Sensitivity and Impedance
    Line 200 mV/220 k-Ohms
    Phono MM 4.0 mV/47 k-Ohms
    Phono MC 0.4 mV/120 Ohms
    Output Level and Impedance
    RC Output 0.2 V/2.3 k-Ohms (Line Out)
    Phono Overload (MM) 70 mV (1 kHz, 0.5%)
    Phono Overload (MC) 7 mV (1 kHz, 0.5%)
    Frequency Response 10 Hz-100 kHz / +1 dB, -3 dB (Line 1, Direct)
    Tone Control
    Bass ±10 dB, 100 Hz
    Treble ±10 dB, 10 kHz
    Signal-to-Noise Ratio 107 dB (Line 1, IHF-A), 82 dB (Phono MM, IHF-A), 73 dB (Phono MC, IHF-A)
    Speaker Impedance 4 ohms–16 ohms (A or B), 8 ohms–16 ohms (A + B)
    Power Supply AC 120 V~, 60 Hz
    No Sound Power Consumption 35 W
    Power Consumption 170 W
    Standby Power Consumption 0.15 W
    Dimensions (W x H x D) 17 1/8" x 5 1/2" x 13 1/16" (435 x 139 x 331 mm)
    Weight 20.3 lbs. (9.2 kg)
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    • 1x - Stereo Amplifier
    • 1x - AC power cord
    • 1x - Remote controller
    • 2x - AAA (R03) batteries
    • 1x - Instruction manual

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