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In Reply to: RE: Tympani IVa active crossover. posted by emailtim on January 31, 2021 at 19:47:29
As the power supply is single ended, I think there must be DC-blocking capacitors on in- and outputs. I häve the matched set of J113 and resistors.
All kinds of slope with 6-12-18-34 dB/octave can be set. The levels of the low and high pass can also be set, there is no gain above unity.
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I have to attenuate the GRS NEO8's I am using by quite a lot to level match them to the Maggie panels and OB/Dipole subs.
Don't know how efficient the RD75's are though.
The RD's don't have neodynium magnets like the Neo X's.
Here is the sensitivity chart for the RD75's.This is at 1 meter. My listening position is at 4.5 meters.
Edits: 02/03/21
This is what it looked like in reality:
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