wuzzzer Posted May 20, 2021 Share Posted May 20, 2021 If so, has anyone done this? Results? Quote Link to comment Share on other sites More sharing options...
hanksjim1 Posted May 20, 2021 Share Posted May 20, 2021 with screw on adaptor? Quote Link to comment Share on other sites More sharing options...
wuzzzer Posted May 21, 2021 Author Share Posted May 21, 2021 11 hours ago, hanksjim1 said: with screw on adaptor? Are those available? Quote Link to comment Share on other sites More sharing options...
jjptkd Posted May 21, 2021 Share Posted May 21, 2021 7 hours ago, wuzzzer said: Are those available? Adapter: https://www.ebay.com/itm/222151533949?hash=item33b943657d:g:Ws8AAOSwOVpXXq0L Horn: https://www.ebay.com/itm/233808725468?hash=item36701605dc:g:8pYAAOSwQNNeYpIy 1 Quote Link to comment Share on other sites More sharing options...
Tarheel TJ Posted May 21, 2021 Share Posted May 21, 2021 As jjptkd said, this is absolutely possible by using adapters. Though it was not a tractrix horn, I have swapped out the k400 horn, while continuing to use the K-55v. See this thread: Initial impressions were good. However, the problem with this approach, which you will see in the thread, is that the K-400 (and k-500, k-700 presumably) was very carefully designed to work with the k-55v. PWK used the "pattern flip" effect that results from the loss of directivity that the K-400 experiences to complement the natural frequency response of the k-55v. They are engineered so that the directivity loss occurs right around the point that the frequency response of the k-55v starts to drop. This keeps the on-axis frequency response relatively flat. If you put the K-55v on another horn that does not have this property, it will require EQ. 2 1 Quote Link to comment Share on other sites More sharing options...
wuzzzer Posted May 21, 2021 Author Share Posted May 21, 2021 Thanks for the good info! Quote Link to comment Share on other sites More sharing options...
JohnA Posted May 21, 2021 Share Posted May 21, 2021 https://www.parts-express.com/Eminence-S2B-A-Aluminum-1-3-8-18-TPI-Screw-On-to-2-3-Bolt-H-290-561 https://www.parts-express.com/PRV-Audio-ADM25-50-1-3-8-18-TPI-Driver-to-4-Bolt-2-Horn-Adapter-294-2941 Quote Link to comment Share on other sites More sharing options...
dtr20 Posted May 22, 2021 Share Posted May 22, 2021 Midrange horns from klf20/30 and forte III will fit this bill. Quote Link to comment Share on other sites More sharing options...
OO1 Posted May 22, 2021 Share Posted May 22, 2021 10 minutes ago, dtr20 said: Midrange horns from klf20/30 and forte III will fit this bill. yes --sir Quote Link to comment Share on other sites More sharing options...
Dave1291 Posted May 22, 2021 Share Posted May 22, 2021 We have a BINGO! 😂 That's the great thing about this place. Family! Quote Link to comment Share on other sites More sharing options...
Deang Posted May 22, 2021 Share Posted May 22, 2021 Why not just use a better 1” horn and forget the adapter - and unless you are using a Klipschorn or LaScala, you don’t need the K-55. Quote Link to comment Share on other sites More sharing options...
Dave1291 Posted May 22, 2021 Share Posted May 22, 2021 Well, so much for my BINGO! 😂 Quote Link to comment Share on other sites More sharing options...
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