Solid State Power Amp Reviews

Description: Hybrid transistor-input/vacuum tube-output monoblock power amplifier. Tube complement: three matched pairs 6550C, one matched pair 6L6GC, one matched pair 6AS7G, two 6N1P. Output power: 200W continuous, 20Hz–20kHz (23dBW). Power bandwidth: 10Hz–200kHz. Frequency response: 0.5Hz–240kHz, -3dB points at 1W. THD: typically 0.5% at 200W, <0.02% at 1W. Input sensitivity: 1.7V RMS balanced for rated output (27dB voltage gain into 8 ohms). Input impedance: 200k ohms balanced. Slew rate: 40V/µs. Risetime: 1.2µs. Hum & noise: <0.2mV RMS, 109dB below rated output (IHF-A weighted, input shorted, 16 ohm output).
Dimensions: 19" W by 8.75" H by 19.5" D. Weight: 74 lbs.
Price: $6995/each, $13,990/pair. Approximate number of dealers: 60. Warranty: 3 years parts & labor, 90 days tubes.
Manufacturer: Audio Research, 3900 Annapolis Lane North, Plymouth, MN 55447-5447. Tel: (763) 577-9700. Fax: (763) 577-0323. Web: www.audioresearch.com.