Onkyo A-50 Network Integrated Stereo Amplifier with Built-in DAC, Phono Stage, and Wi-Fi (Black)
The Onkyo network integrated stereo amplifier is a premium two-channel audio solution engineered for music purists who refuse to compromise between classic analog warmth and modern digital convenience. Delivering high-current, low-impedance power, this amplifier effortlessly drives demanding speakers with dynamic precision, exceptional control, and minimal distortion. Housed in a rigid, anti-resonant metal chassis with an elegant brushed black aluminum front panel, it serves as a sophisticated centerpiece for any high-fidelity listening room.
At its core, this amplifier features a custom-built high-output transformer and premium capacitors that maintain absolute signal stability during complex musical passages. For digital audio enthusiasts, a built-in flagship-tier AKM or ESS Sabre DAC ensures bit-perfect decoding of high-resolution audio files. Seamless wireless connectivity via dual-band Wi-Fi grants instant access to Apple AirPlay 2, Chromecast built-in, Spotify Connect, and Tidal. Complete with a dedicated MM/MC moving magnet/moving coil phono stage, it bridges the gap between vintage vinyl playback and contemporary high-res streaming networks.
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Key Features:
- High-Current Amplification: Uses a custom-engineered power transformer to deliver clean, stable wattage that easily manages low-impedance speaker loads.
- Flagship High-Res DAC: Equipped with a premium digital-to-analog converter supporting high-resolution audio playback up to 192kHz/24-bit for stunning clarity.
- Discrete Phase Matching Bass: Boosts low frequencies while aligning the timing phases to maintain a clear, well-defined mid-range for vocals and strings.
- Dedicated Phono Equalizer: Features an isolated, high-quality phono input compatible with MM cartridges, allowing you to connect a turntable directly without external preamps.
- Comprehensive Wireless Streaming: Seamlessly stream music from your smartphone, tablet, or PC utilizing integrated Apple AirPlay 2, Chromecast built-in, and Bluetooth.
- Rigid Anti-Resonant Chassis: Built with a thick metal frame and an aluminum front faceplate to shield delicate audio signals from ambient vibrational interference.
- Gold-Plated Connections: Features premium gold-plated clear speaker terminals and analog audio inputs to ensure maximum signal transfer and long-term corrosion resistance.
- Independent Pre-Amp and Power Amp Sections: Utilizes isolated circuit designs to prevent high-frequency digital noise from bleeding into the pure analog amplification stages.
Specifications:
- Amplifier & Audio Performance:
- Power Output: 60W + 60W (4 Ohms, 20Hz–20kHz, 0.08% THD, 2-Ch Driven)
- Total Harmonic Distortion + Noise (THD+N): 0.08%
- Damping Factor: 80 (1kHz, 8 Ohms)
- Frequency Response: 10Hz – 100kHz (+1dB, -3dB via Line 1)
- Signal-to-Noise Ratio: 106dB (Line, IHF-A), 82dB (Phono MM, IHF-A)
- Speaker Impedance Compatibility: 4 Ohms – 16 Ohms
- Digital & Wireless Connectivity:
- Digital-to-Analog Converter: 192kHz/24-bit Premium DAC
- Wireless Ecosystem: Dual-Band Wi-Fi, Bluetooth, Chromecast built-in, Apple AirPlay 2
- Streaming Services Supported: Spotify Connect, Tidal, Deezer, Amazon Music, TuneIn
- Hi-Res Audio Compatibility: FLAC, WAV, ALAC, DSD
- Inputs & Outputs:
- Digital Inputs: 1 Optical (Toslink), 1 Digital Coaxial
- Analog Inputs: 4 Stereo RCA Line-Level Inputs, 1 Phono Input (MM)
- Analog Outputs: 1 Stereo RCA Line-Out, 1 Subwoofer Pre-Out
- Headphone Output: 1 Front-Panel 6.35mm (1/4") Jack
- Speaker Terminals: Gold-Plated Screw-Type Binding Post Pairs (Speaker A/B Assignable)
- General & Physical Specifications:
- Power Supply: AC 120V, 60Hz
- Power Consumption (Max / Standby): 160W / 0.2W
- Dimensions (W x H x D): 17.1" x 5.5" x 13.1" (435 x 139 x 333 mm)
- Net Weight: 18.1 lbs (8.2 kg)
- Chassis Finish: Brushed Black
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