This is the amplifier that Stereophile raved about in 1997 saying it deserved an even higher rating than Class A. Read more at http://www.stereophile.com/content/pass-labs-aleph-3-power-amplifier-page-5#2fXQls1K1L7zj7zy.99.
The amp has been well cared for and is in good condition except for some purplish discoloration of the heat sinks.
Power output: 30W into 8 ohms (14.8dBW), 60W into 4 or 2 ohms (14.8dBW, 11.8dBW, respectively). Frequency response: 2Hz-100kHz, -0.5dB.