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Pass Laboratories Aleph L Service Manual...
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The Aleph L is a simple Mosfet stereo preamplifier having four single-ended inputs and two outputs. Its controls consist of an input selector and a level control. Maximum gain is internally adjustable via a dip switch. The gain stage of the preamp is a single Mosfet operated common source and biased by a Mosfet constant current source.
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10 Kohm, 13.4 dB gain setting Output Noise less than 10 microvolts, unweighted 20-20khz Power Consumption 15 watts Dimensions 12 " W x 11.5 “ D x 4" H Shipping Weight 22 lb. Pass Laboratories Foresthill CA 95631 (530) 367 3690 (530) 367 2193...
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Pass Laboratories Aleph L Service Manual Rev 1.2 9/26/96...
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The Aleph L is a simple Mosfet stereo preamplifier having four single-ended inputs and two outputs. Its controls consist of an input selector and a level control. The volume control is passive up to the 3:00 o’clock position where the gain is unity. At 3:00 o’clock, the connection from input to output is direct, with no components in the signal...
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The kit contains one new main board with the correct value for R212, but please verify before doing the conversion. To update the Aleph L from rev 1.0 to either rev 1.1 is a simple matter of replacing the main board, with two minor exceptions.
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Output Noise less than 10 microvolts, unweighted 20-20khz Power Consumption 15 watts Dimensions 12 " W x 11.5 “ D x 4" H Shipping Weight 22 lb. Pass Laboratories 24449 Foresthill Rd. Foresthill CA 95631 (530) 367 3690 (530) 367 2193...