FS: Gaertner/Borbley Active Crossover Kit - diyAudio
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Old 6th September 2003, 05:25 PM   #1
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Join Date: Jan 2002
Location: NY
Default FS: Gaertner/Borbley Active Crossover Kit

Must sell: Unassembled Model ACT6 4th-order three-way unbalanced discrete active crossover kit w/o volume controls, co-designed by Jean-Claude Gaertner and Erno Borbely. Originally purchased 07/96 from Welborne Labs, and still in its original box.

The kit is complete with all parts, including PS-5 power supply and enclosure, and the original manual containing instructions, schematics, board layout, and xover formulas. The design uses Borbely's all-cascode discrete Class-A buffers, and allows for Butterworth, Bessel, and Linkwitz-Riley filters.

All offers considered.
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Old 29th November 2003, 08:12 PM   #2
Muses is offline Muses  United States
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Join Date: Nov 2003
Location: New York
Default Borbely active crossoverkit


I have some interest in this kit because I'd like to biamp my Apogee Duetta IIs and run subwoofer. Is there a functional block diagram or other information that I can see somewhere?
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Old 30th November 2003, 03:13 PM   #3
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Join Date: Jan 2002
Location: NY
Oops, I should have noted that this has been sold. I'm afraid I no longer have the documentation for this. Sorry for not posting this earlier.
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