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Analog Line Level Preamplifiers , Passive Pre-amps, Crossovers, etc.

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Old 4th July 2013, 06:20 AM   #41
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thank you Bob!
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regards, Pawel
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Old 29th May 2014, 09:58 PM   #42
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Just getting around to building this -- the MM version only.
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Old 30th May 2014, 10:43 PM   #43
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i simulated the 75uS response -- i don't think i will use a relay, just a molex jumper:
Click the image to open in full size.

The simulation, fwiw, used the new transistors bob recommended, and the updated current mirror.
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Old 2nd June 2014, 09:50 PM   #44
mlloyd1 is offline mlloyd1  United States
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jackinnj:

thanks for sharing and keep posting.
i'm gonna build a version of this too (also mm only), as soon as i can get around to to it.

mlloyd1
(and yes, i already have a bunch of "roundtoits"; they didn't help ...
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