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In Reply to: RE: Passive preamp RCA output to SUB amp? Question on current configuration posted by bullethead on June 30, 2017 at 08:00:22
It may also be frequency roll-off if it's a true passive w/o a buffered output. The combo of passive output impedance, capacitance of interconnect cables, and input impedance of the sub could be rolling off freq extremes. Just a thought.
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If that's true then again, he needs the active preamp to act as a buffer and gain stage.
I'm a little fuzzy on the balance connection. Isn't the signal slit at the source and then rejoined at terminus? Shouldn't there be a simple buffer stage in that circuit? And how could that all be passive?
As I understand it, this is a buffered passive preamp which has a 6db gain stage that kicks in when needed. Personally I don't like the term "buffered passive preamp". A better description would be an active preamp with unity gain.
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