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    HP 8903A Audio Analyzer schematic

    Thanks, I finally found the schematic. I managed to grab the manuals and they contain forward descriptions that cover almost all the range till 2451.. It is not the cleanest way to read it but I have plenty of space in my desk :P Thanks, I will need the good luck to track this...
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    HP 8903A Audio Analyzer schematic

    Thanks, let me explain I just bought a "working" hp 8903a from ebay for a low price, but it is showing horrible distortion in the range 20Hz->3Khz (4% at 20Hz, 0.18% at 1KHz, 0.05 at 3KHz, 0.02% 10KHz following) which render it unusable. I am starting to feel that it is the source the...
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    HP 8903A Audio Analyzer schematic

    shrtrnd, if you still have the manual, could you please send it to me? I have a lot of distortion coming from the input atenuator board (A6), but all the Service manuals I have are for the A6 version with two relays, while mine has three. I also have the manuals up to 2016A... do you have the...
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