Lamm Industries L2 Reference preamplifier Specifications
Description: Dual-mono, tubed, line-level preamplifier with separate power supply. Inputs: 3 single-ended, 1 tape loop on RCAs. Outputs: 1 set each balanced, single-ended. TKD stepped potentiometers and built-in remote on/off for Lamm Industries power amplifiers. Choke-filtered hybrid design: tube rectification, solid-state output. Tube complement: one 12AX7/ECC83 voltage regulator, one 6C19P voltage regulator, one 5651A voltage reference, two 12AX3 rectifiers. Maximum voltage gain: 14.87dB ±0.2dB. Input sensitivity: 135mV RMS. Frequency response: 20Hz-20kHz, +0/-0.2dB; 4Hz-140kHz, +0/-3dB. THD: <0.03%. Slew rate: 30V/µs. Noise: >82dB (unweighted). Input impedance: 41k ohms. Output impedance: 130 ohms. Power consumption: 75W.
Dimensions: 19" W by 4.5" H by 14" D (both). Weights: preamplifier, 15.42 lbs (7kg); power supply, 19 lbs (8.63kg).
Serial number of unit reviewed: F10010.
Price: $13,690. Approximate number of dealers: 9. Warranty: 5 years.
Manufacturer: Lamm Industries, 2621 E. 24th St., Brooklyn, NY 11235. Tel: (718) 368-0181. Fax: (718) 368-0140. Web: www.lammindustries .