A-9070 Integrated Stereo Amplifier
 


$1,199 MSRP

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 µF 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.

Speaker Section
Power Output
4 ohms 2 x 200 W
Dynamic Power
HICC 80 A
Audio in/out 7/2
Phono input x
AWRAT (Advanced Wide Range Amplifier Technology) x
DIDRC (Dynamic Intermodulation Distortion Reductio x
Parallel Push-:ull Amplification Design with Three x
192 kHz/24-Bit HD Audio Playback via Coaxial x
New Circuit Board Construction with Internal Strut x
Symmetrical Layout of L/R Channels x
Tone control (Bass, Treble) x
Separate Wolfson® 192 kHz/24-Bit DACs x
Four Large 15,000 µF Capacitors x
3 Digital Audio Inputs (1 Optical and 2 Coaxial) x
3 Analog Audio Inputs and 1 Output x
Customized, Gold-Plated, Banana Plug-Compatible x
Machined, Gold-Plated RCA and Phono Terminals x
Independent Headphone Amplifier x
Amplifier Section
Power Output140 W/Ch (4 ohms, 20 Hz–20 kHz, 0.05%, 2 channels driven, FTC)
Tone Control
1 ohms450 W/Ch
3 ohms230 W/Ch
8 ohms100 W/Ch
Total Harmonic Distortion0.006% (Half power)
Damping Factor130 (1 kHz, 8 ohms)
Line150 mV/47 k-ohms
Phono MM2.25 mV/47 k-ohms
Phono MC0.18 mV/100 ohms
Rec out200 mV/2.2 k-ohms
Phono Overload70 mV (MM, 1 kHz, 0.5%)
Frequency Response10 Hz–100 kHz/+0 dB, -1 dB (1 W, Line) 1 Hz-250 kHz/+0 dB, -3 dB (1 W, 8 ohms)
Bass±10 dB, 80 Hz
Treble±10 dB, 10 kHz
Signal-to-Noise Ratio107 dB (Line, IHF-A)
Speaker Impedance4 ohms–16 ohms (A or B), 8 ohms–16 ohms (A + B)
General
Power SupplyAC 120 V, 60 Hz
Power Consumption3.3 A
Standby Power Consumption0.1 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)
Weight39.9 lbs. (18.1 kg)

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