Please find reviews below:
LAMM Industries L2.1 Reference Preamplifier Review by ” The Absolute Sound “ Magazine, January 2018
LAMM Industries L2.1 Reference Preamplifier Review by Art Dudley ” STEREOPHILE “ Magazine, July 2017
Description Solid-state line-level preamplifier with separate tubed power supply. Tube complement: one 12AX7/ECC83, one 6C19P, one 5651A, two 12AX3. Inputs: 4 single-ended (RCA). Outputs: 2 single-ended (RCA), 1 balanced (XLR). Input sensitivity: 0.135V RMS, ±2%. Input impedance: 50k ohms. Output impedance: typically 130 ohms. Frequency response: 20Hz–20kHz, ±0.2dB; 5Hz–120kHz, ±3dB. Slew rate: 30V/μs. Risetime: 1μs. THD: )0.03% at 2V RMS. Signal/noise: typically 94dB, 22Hz–22kHz, below 2V RMS output. Power consumption: 80W.
Dimensions Preamp and power supply (each):
19″ (483mm) W by 4.5″ (114mm) H by 13.875″ (350mm) D. Preamplifier weights: 15.4 lbs (7kg) net, 34.6 lbs (15.7kg) shipping. Power supply weights: 19 lbs (8.6kg) net, 39 lbs (17.7kg) shipping.