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7th June 2011, 06:23 PM
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diyAudio Member
Join Date: Feb 2011
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Preamp A - 15 : Mark Levinson No. 20.5 Derived
hello to the ones that like sounds : /
today i bought 2 preamplifier boards named A - 15 & described as : - circuit came from modified voltage amp section of Mark Levinson No. 20.5, using LM394 (junction isolated ultra well matched monolithic NPN transistor pairs) as input device board size: L 132mm X W120mm -- does someone have experience with this preamplifier ? some usefull information please ,like the voltage range, operating class ,tweaks & improvements and of course BETTER alternatives |
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