Audio Research HD-220

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The Audio Research HD-220 is a high-performance integrated amplifier that combines classic Audio Research sound with modern technology. The amp is designed to deliver exceptional audio fidelity, with a powerful 125 watts per channel into 8 ohms and the ability to drive difficult high-impedance loudspeakers.Some of the key features of the HD-220 include:- Inputs: 6 single-ended RCA and 1 balanced XLR, along with a phono input for turntables- Outputs: Preamp outputs (RCA and XLR) and tape out (RCA)- Tube complement: Six 6H30 dual triodes, four 6DJ8 dual triodes, and four 12AU7 dual triodes- Frequency response: 10Hz to 100kHz (+0 dB, -3 dB)- Signal-to-noise ratio: >80dB (A-weighted)- Volume control: High-quality audio-grade resistors- Power supply: Custom-made power transformer and aided by a high-speed microprocessor-controlled supply for transientshunting current- Construction: Reinforced steel chassis with aluminum front panelOverall, the Audio Research HD-220 is a high-end integrated amplifier that is well-suited for audiophiles who value rich, detailed sound. Its classic Audio Research sound is enhanced by advanced modern features and technology, resulting in an amplifier that is both timeless and innovative.

Power Output: 220W into 8Ω (stereo)
Frequency Response: 0.5Hz to 200kHz
Distortion:
Speaker Impedance: 4Ω (minimum)
Input Sensitivity: 4.0V
Signal to Noise Ratio: 112dB
Dimensions: 483 x 222 x 495 mm
Weight: 26.8 kg
Year: 2007
Price: