Re: horn types? [message #46055 is a reply to message #46053] |
Tue, 21 December 2004 21:42 ![Go to previous message Go to previous message](/forum/theme/AudioRoundTable/images/up.png) ![Go to next message Go to next message](/forum/theme/AudioRoundTable/images/down.png) |
scp53
Messages: 13 Registered: May 2009
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Chancellor |
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ok, do you think that coax driver with a comp driver will have a good sound stage, disperassion(spelling), etc? im still thinking a regular 8 and a seperate horn. but what the heck, if you KNOW it will work ill do it maybe. can you think of any other configs? thanks, scp53
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Re: horn types? [message #46057 is a reply to message #46055] |
Wed, 22 December 2004 18:47 ![Go to previous message Go to previous message](/forum/theme/AudioRoundTable/images/up.png) ![Go to next message Go to next message](/forum/theme/AudioRoundTable/images/down.png) |
ToFo
Messages: 219 Registered: May 2009
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Master |
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Perhaps not. I forgot you probably have a limited choice of x-over frequencies on the surround processor, so the beta might not go low enough. You might get away with 80Hz but you would want a high order slope when running a Beta that low. I quess 75Hz 2nd order is standard. It's just my poor stereo brain in a big surround world. I know the 1Pi (Alpha 8) is great. I helped a friend build some 1Pi kits and he uses them for main, center and rear with a retail sub, very nice indeed. I was very impressed and will recommend to anyone looking at this size and power class of speaker. It is interresting that he did not have issue with the magnet under his TV, but I can not say if yours will be the same. All considered, My first thought the other day was 1Pi and That is still what I think. Wayne has everything you need, and probably has a good idea how to pad down the apt 50 to work in a 1Pi, since I know you want a horn on top. Thomas
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Re: horn types? [message #46058 is a reply to message #46057] |
Wed, 22 December 2004 21:32 ![Go to previous message Go to previous message](/forum/theme/AudioRoundTable/images/up.png) ![Go to next message Go to next message](/forum/theme/AudioRoundTable/images/down.png) |
scp53
Messages: 13 Registered: May 2009
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ill wait for Wayne to drop his ideas. id like this center to play down around 60-70hz well. thanks scp53
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Re: horn types? [message #46060 is a reply to message #46059] |
Thu, 23 December 2004 11:06 ![Go to previous message Go to previous message](/forum/theme/AudioRoundTable/images/up.png) ![Go to next message Go to next message](/forum/theme/AudioRoundTable/images/down.png) |
scp53
Messages: 13 Registered: May 2009
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Chancellor |
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ok, is there a way to use a different hf driver? i doubt a piezo will match my small compression drivers in the klipsch. id like to use the apt150 or something similar. and could i just turn the cab on its side for center channel use? scp53
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Re: horn types? [message #46061 is a reply to message #46060] |
Thu, 23 December 2004 15:25 ![Go to previous message Go to previous message](/forum/theme/AudioRoundTable/images/up.png) ![Go to next message Go to next message](/forum/theme/AudioRoundTable/images/down.png) |
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Wayne Parham
Messages: 18757 Registered: January 2001
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Illuminati (33rd Degree) |
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You could certainly pair an APT tweeter with an Alpha 8 or 10 speaker, and I'd expect good results. You'll need to pad the tweeter down to match, and you'll want a crossover slope that blends well. Very do-able. I've used a handful of successful arrangements for speakers like these. The eight π loudspeaker uses an Alpha 10 on a midhorn and reflex-tuned rear chamber for the bass. I use a PSD2002 with 1.6kHz crossover. The one π, two π and two π tower speakers use a smaller tweeter crossed over higher. For many years, I used the KSN1038 piezo tweeter and I could count on very good performance from that part. But it looks like I'll be switching to the Vifa DX25 soon because the KSN1038 has been discontinued. The KSN1038 is a compression horn driven by a small cone diaphragm. Performance is good particularly for the money. But supplies are nearly exhausted, and I'm not sure if and when CTS will find a buyer for the tooling. So I've redesigned to use a Vifa DX25 dome tweeter, which is silky and smooth. They're more expnsive, but they do sound nice. I considered using the APT tweeters when making the change, but I decided on the Vifa DX25 instead. I used a first-order filter on the Vifa, and I suppose that might work on the APT too. But unless a person is very careful with input power, I'm not a fan of first-order crossovers on compression drivers. It's too easy to over-drive them and send the diaphragm into the phase plug.
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Re: horn types? [message #46064 is a reply to message #46061] |
Fri, 24 December 2004 14:35 ![Go to previous message Go to previous message](/forum/theme/AudioRoundTable/images/up.png) ![Go to next message Go to next message](/forum/theme/AudioRoundTable/images/down.png) |
scp53
Messages: 13 Registered: May 2009
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ok, could i buy your thermionic Eight pi Kit and turn the horn 90 degrees so the cab can lay on its side? and also could the horn lens be altered for up to 20khz response? my klipsch play to 20khz. that would sound odd i think. i might consider a alpha 8 with that same compression driver- input on that? thanks, scp53
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