Amber Technology Blog

The Onkyo A-9110 and digital-audio-ready Onkyo A-9130 deliver outstanding performance with custom-made or hand-selected parts, simplified and shortened signal-path topology, and specialised tuning to burnish golden hi-fi audio.

Key to the amp’s lively dynamics is WRAT (Wide Range Amplification Technology), Onkyo’s time-proven high-current platform featuring high-output EI transformer, two large custom-made main audio capacitors, and discrete power transistors. High-current capability assures instantaneous response to speaker-impedance fluctuations while precisely controlling the drivers for accurate, yet musical expression.

Ample connectivity comes with RCA line-level inputs (four on the A-9110 and five gold-plated inputs for the A-9130) and discrete MM phono equalisers. The A-9130 adds coaxial and optical digital audio inputs with signals decoded by a high-end Wolfson® WM8718 D/A converter supporting 192 kHz/24-bit audio playback. The digital audio board automatically shuts down when an analogue input signal is detected to reduce potential interference on the signal. The A-9130’s digital audio inputs are ideal for TV connection, giving a powerful boost to games, films, and TV audio.

The A-9110 and A-9130 benefit from Phase Matching Bass Boost, a unique loudness technology that aligns the phase of low- and mid-band frequencies above 300 Hz for richer bass and clearer vocals. Together with Optimum Gain Volume Circuitry, which requires half the conventional amount of signal attenuation to prevent interference from the amps’ noise floor, listeners can enjoy an unparalleled sense of clarity, depth, and vibrancy at low-level playback volumes.

Both components feature Direct Mode. In this mode, tone-control and Phase Matching Bass Boost circuitries are bypassed, maintaining fidelity by further reducing signal-path-lengths. With the increase in accuracy, sound quality and sense of atmosphere move closer to the original recording, whether it’s captured on LP, cassette, CD, or high-quality digital file.

Both models have line-level outputs, subwoofer outputs, and top-quality non-magnetic speaker binding posts with clear knobs. The A-9130 also includes a direct main power-amp input for connection of an external pre-amplifier.

Tackling the effects of electromechanical resonance, the A-9110 receives a significant upgrade to casework rigidity over the A-9010. Both the A-9110 and A-9130 have thick 1.6 mm metal chassis to dampen vibration and associated noise in concert with large insulators.

The clean front-panel design is refreshed by a slim display panel showing active input, while RI (Remote Interactive) inputs on the rear panel on both models unify system control with compatible Onkyo CD transports, digital tuners, and network streamers.

After repeated listening tests, Onkyo sound designers tuned the amplifiers achieving a warm, rich, and full tonal character, made possible with a blend of custom-fabricated and hand-selected high-quality parts. These bass-rich amplifiers are very smooth and unfatiguing to enjoy for long periods of time.

Emblematic of Onkyo’s rich 70-year sound heritage, these affordable integrated stereo amplifiers represent the perfect entry-point to the world of authentic hi-fi musicality.

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