Lamm Industries ML3 Signature monoblock power amplifier Specifications

Sidebar 1: Specifications

Description: Tubed monoblock power amplifier (ML3) with outboard power supply (ML3-PS). Tube complement: one 12AX7, four 6N30P-DR, one GM-70 (ML3); six 12AX3 (ML3-PS). Output power: 32W into 4, 8, or 16 ohms at 3% THD (32dBW). Frequency response at 30W into 16 ohms: 20Hz–20kHz, +0, –1.5dB. Input impedance: 41k ohms. Input sensitivity: 850mV for maximum output. Slew rate (61.96V peak–peak): 5V/µs. Signal/noise ratio, ref. 4V RMS into 16 ohms: typically 92dB, A-weighted.
Dimensions: ML3 and MLS-PS (each): 15.8" (406mm) W by 8.2" (210mm) H by 20.2" (518mm) D. Weights: ML3, 79 lbs (35.9kg); ML3-PS, 80.1 lbs (36.4kg).
Serial numbers of units reviewed: G10029, G10030.
Price: $139,490/pair. Approximate number of dealers: 10.
Manufacturer: Lamm Industries Inc., 2513 East 21st Street, Brooklyn, NY 11235. Tel: (718) 368-0181. Fax: (718) 368-0140. Web:

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