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About the Aleph 30
The Pass Labs Aleph 30 is the first of the second generation of Aleph single-ended Class A power amplifiers, representing an upgraded version of the Aleph 3. Designed by Nelson Pass, it integrates power MOSFET devices and pure single-ended Class A operation in a simple two-gain-stage topology optimized for natural sound characteristics. The amplifier features a unique current source topology that optimizes performance across a wide range of impedance and reactance loads, improving performance into real loudspeakers. The design includes no adjustable potentiometers, with operating parameters defined by physical constants. It offers both balanced XLR and single-ended RCA inputs, with improved input impedance compared to earlier Aleph models. The amplifier is housed in a distinctive cube design with heat sinks on all four sides to manage Class A heat generation. The Volksamp version is produced under license from Pass Laboratories.
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