Tube Preamp Reviews

Description: 7.1-channel, tubed analog preamplifier with Dolby ProLogic II surround processor. Tube complement: nine 6N1P, one 5AR4. Inputs: eight line-level pairs (RCA) (two-channel); one 7.1-channel analog bypass (RCA). Outputs: 7.1-channel (RCA) and two-channel tape. Input impedance: 200k ohms. Nominal voltage gain: 6dB. Channel gain trim range: -6.5dB to +7.5dB. Absolute polarity: inverting. Nominal output level: 2V RMS (15V maximum). Output impedance: 750 ohms. THD+noise (at 1V RMS input): <0.03% at 1kHz, 0.2%, 20Hz-20kHz (stereo); <0.3%, 20Hz-20kHz (PL II and 7.1 modes, surround and center channels); <0.07%, 20-100Hz (PL II subwoofer); <0.02%, 20Hz-5kHz (7.1 subwoofer). S/N Ratio (ref. 1V): 92-98dB, depending on mode and channel.
Dimensions: 21" W by 10.5" H by 16" D. Weight: 45 lbs.
Finish: Anodized aluminum, bubinga wood.
Serial number of unit reviewed: Not indicated.
Price: Price: $13,000. Approximate number of dealers: 70.
Manufacturer: Fosgate Audionics, A division of Rockford Corporation, 546 South Rockford Drive, Tempe, AZ 85281. Tel: (866) 777-7282, (866) 888-4404. Fax: (480) 894-1528. Web: www.fosgateaudionics.com.