Sidebar 1: Specifications
Description: Fully balanced, class-AB tubed monoblock power amplifier. Tube complement: four KT150 (output), two 6H30 (gain stage). Inputs: unbalanced (RCA), balanced (XLR). Three sets of speaker output taps: 4, 8, 16 ohms. Output power: 140W continuous, 20Hz–20kHz (21.5dBW). Frequency response: 0.5Hz–110kHz, –3dB at 1W. Power bandwidth: 5Hz–70kHz, –3dB. Input sensitivity: 2.4V RMS balanced for rated output (25.5dB gain into 8 ohms). Input impedance: 300k ohms balanced, 100k ohms single-ended. Output regulation: ca 0.6dB into 16 ohm load to open circuit (damping factor: ca 14). Signal/noise: 101dB, re: 0dBW A-weighted. Overall negative feedback: 14dB. Slew rate: 13V/µs. Rise time: 2.0µs. Power requirements: 400–700W, 260W at idle, 1W off.
Dimensions: 19" (483mm) W by 10" (254mm) H by 17.7" (450mm) D; with handles, 19.25" (489mm) D. Weight: 56.2 lb (25.5kg) net, 73.2 lb (33.2kg) shipping.
Serial numbers of units reviewed: 50745, 50746.
Price: $30,000/pair. Approximate number of dealers: 60.
Manufacturer: Audio Research Corp., 6655 Wedgwood Road N., Suite 115, Maple Grove, MN 55311. Tel: (763) 577-9700. Fax: (763) 577-0323. Web: www.audioresearch.com.
Dimensions: 19" (483mm) W by 10" (254mm) H by 17.7" (450mm) D; with handles, 19.25" (489mm) D. Weight: 56.2 lb (25.5kg) net, 73.2 lb (33.2kg) shipping.
Serial numbers of units reviewed: 50745, 50746.
Price: $30,000/pair. Approximate number of dealers: 60.
Manufacturer: Audio Research Corp., 6655 Wedgwood Road N., Suite 115, Maple Grove, MN 55311. Tel: (763) 577-9700. Fax: (763) 577-0323. Web: www.audioresearch.com.
