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The Lamm Industries LL2 Deluxe is a vacuum tube line-level stereo preamplifier designed for audiophiles seeking natural and highly transparent sound reproduction. It operates in pure Class A, single-ended topology from input to output, employing a full-wave vacuum rectifier and choke-filtered power supply to minimize hum and buzz, ensuring a wide dynamic range without coloration. The Deluxe version features approximately double the power supply energy storage compared to the standard model, with additional polystyrene capacitors paralleling film capacitors in critical signal paths, resulting in greater dynamics and improved handling of sudden power demands. It includes three inputs (Line 1, Line 2, and Direct), one tape loop, two sets of outputs, a front panel mute switch, and protection circuitry with automatic mute at power on/off. The Direct input bypasses some switching for a purer signal path. The preamplifier is hand-crafted with high-quality components such as military-grade low noise DALE metal film resistors, ALPS stepped attenuators, ELECTROCUBE and ROEDERSTEIN film capacitors, and Cornell Dubilier electrolytic capacitors. It uses tubes including two 12AU7A, two 6DJ8, and one 6X4 for rectification. The chassis measures 19.25" W x 5" H x 13.75" D and weighs 20 lbs. The LL2 Deluxe is known for its almost inaudible sonic signature and ability to recreate a three-dimensional soundstage without boundaries, especially when paired with Lamm power amplifiers.
Amplification power output and characteristics
Analog signal output specifications
Input and output connections
Size, weight, and appearance
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The EVO 400 Preamp's thd is 0.500% against the LL2 Deluxe's 0.030%, its output impedance 256Ω against 250Ω, its input impedance 220Ω against 50Ω, and its input sensitivity 0.7V RMS against 0.1V RMS.
The PL-L's output impedance is 60Ω against the LL2 Deluxe's 250Ω, its input impedance 110Ω against 50Ω, and its input sensitivity 0.3V RMS against 0.1V RMS. Both share thd (0.030%).
The ATC-2's thd is 0.010% against the LL2 Deluxe's 0.030%, its output impedance 200Ω against 250Ω, and its output voltage 2.0V RMS against 1.0V RMS. Both share input sensitivity (0.1V RMS).
The VK-P80's thd is 0.100% against the LL2 Deluxe's 0.030%, its output impedance 600Ω against 250Ω, and its input sensitivity 1.0V RMS against 0.1V RMS. Both share output voltage (1.0V RMS).
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