Tube Preamp Reviews

Description: Tubed, stereo headphone amplifier with separate 12V DC power supply module. Tube complement: two 12AT7 miniature dual-triodes, two 6SN7 octal dual-triodes. Maximum output power: 1Wpc into 4 ohms, 0.5Wpc into 14 ohms. Voltage gain: 10.3dB into 4 ohms, 12.4dB into 14 ohms. Sensitivity: 600mV RMS for full output. Output impedance: 2 ohms. Input impedance: 50k ohms.
Dimensions: 9.4" (241mm) W by 4.7" (120mm) H by 7.7" (197mm) D (amplifier chassis). Weight: 5.5 lbs (2.5kg).
Finishes: Black or Midnight Blue, clear Lexan top.
Serial number of unit reviewed: 0053.
Price: $1100. Approximate number of dealers: 20. Warranty: 1 year, including tubes.
Manufacturer: Linear Tube Audio, Washington, DC. Tel: (202) 450-6480. Web: www.lineartubeaudio.com.