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FS: 2200Hz 4th order L-R Active XO
FS: 2200Hz 4th order L-R Active XO
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Old 7th January 2004, 02:08 PM   #1
PHilgeman is offline PHilgeman  United States
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Default FS: 2200Hz 4th order L-R Active XO

I have an ESP Kit that I built. It is a 4th order 2200Hz active XO. The frequency can be changed by changing 8 resistors.

It is fully assembled, and uses OPA2134 Opamps, 1% metal film resistors, and 2% Panasonic film capacitors in the filter sections. In the PSU decoupling sections, it uses Panasonic FC capacitors.

These are some of the best components available and give it a very clean sound.

I am selling it for $60. The board alone costs about $20 from ESP, and the rest of the components in this board easily account for the other costs, as well as not having to burn your fingers.

Free shipping to the 48 states as well.

e-mail to: paul_hilgeman@fastmail.fm if interested.

-Paul Hilgeman
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Old 7th January 2004, 06:01 PM   #2
roddyama is offline roddyama  United States
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Hi Paul,

Can the output be easily taken from the first 12db/oct filter to make it switchable between 12db and 24db/oct slopes?
Rodd Yamashita
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