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Author Topic: 1980s pvc audio filter - passive  (Read 815 times)
N0CRS
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Posts: 11




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« on: April 28, 2008, 05:10:10 AM »

Does any one own  or  even remember , the Skytec

cw filter ,where the pvc pipe was ajustable for

tone, or tighter audio ?

I think it was cw-1 model .  Anybody want to sell one ?
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N7NBB
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Posts: 381


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« Reply #1 on: April 28, 2008, 06:16:50 AM »

There is one on E-Bay right now.  Auction ENDS in  five or six days... it has THREE BIDS and the HIGEST BID (so far) is $15.  Good Luck.
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WB6BYU
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Posts: 13171




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« Reply #2 on: April 30, 2008, 06:38:35 PM »

I've seen several designs on the internet for building
such filters, but the only one I could locate at the
moment is:

http://www.io.com/~n5fc/res_spkr.htm

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