Sidebar 1: Specifications
Description: Tubed integrated amplifier. Tubes: 2 pairs of matched 6550WE (output); 3 6922s (1 input, 2 driver). Inputs: 2 pairs single-ended line (RCA), 1 pair single-ended pass-through (RCA), 1 pair balanced (XLR). Optional input modules: MM Phono, DAC. Outputs: 4 ohm and 8 ohm transformer taps; ¼" headphone jack. Output power: 50Wpc (17dBW into 8 ohms, 14dBW into 4 ohms), continuous, 20Hz–20kHz. Total harmonic distortion at 1kHz: typically 1% per channel; 0.1% at 1W. Power bandwidth: 10Hz–22kHz, –3dB. Frequency response (at 1W): 7Hz–30kHz, –3dB. Input sensitivity: 1.25V RMS for SE input. Input impedance: 100k ohms, balanced; 48k ohms, single-ended. Output polarity: noninverting (balanced input has pin 2 positive, conforming with IEC-268). Power requirement: 105–130V AC, 60Hz (210–250V AC, 50Hz); 252W at rated output. Supplied accessories: AC cord, remote control, 1 input tube-damping ring.
Dimensions: 16.5" (420mm) W × 8.75" (225mm) H × 14" (360mm) D (with speaker output posts). Weight: 40lb (18.1kg). Shipping weight: 51lb (23.1kg).
Finish: Black aluminum chassis & transformer cage; gloss black top panel with an anodized aluminum surround in a choice of 6 colors.
Serial number of unit reviewed: 547756, "Handcrafted in Minnesota."
Price: $5500, line inputs only; phono module adds $750; DAC module adds $1000. Approximate number of North American dealers: 50. Warranty: 3 years, parts & labor; 90 days, tubes.
Manufacturer: AR Tube Audio Corporation (Audio Research), 6655 Wedgwood Rd. North, Suite 115, Maple Grove, MN 55311. Tel: (763) 577-9700. Web: audioresearch.com.
Dimensions: 16.5" (420mm) W × 8.75" (225mm) H × 14" (360mm) D (with speaker output posts). Weight: 40lb (18.1kg). Shipping weight: 51lb (23.1kg).
Finish: Black aluminum chassis & transformer cage; gloss black top panel with an anodized aluminum surround in a choice of 6 colors.
Serial number of unit reviewed: 547756, "Handcrafted in Minnesota."
Price: $5500, line inputs only; phono module adds $750; DAC module adds $1000. Approximate number of North American dealers: 50. Warranty: 3 years, parts & labor; 90 days, tubes.
Manufacturer: AR Tube Audio Corporation (Audio Research), 6655 Wedgwood Rd. North, Suite 115, Maple Grove, MN 55311. Tel: (763) 577-9700. Web: audioresearch.com.
