What driver is best for a front loaded horn?
I had a front loaded horn when I was young.
I am 60+ year now and i want to get back in 1970's again. 😀
I remember that. It was very good then.
I will use a midrange and a tweeter horn.
I had a front loaded horn when I was young.
I am 60+ year now and i want to get back in 1970's again. 😀
I remember that. It was very good then.
I will use a midrange and a tweeter horn.
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Can you find a picture of what speaker your talking about and post it on here
I’m planning on building some speakers with using a Klipsch style tweeter and a 10 inch Conoco mid range horn and just need to figure out which woofer section I’m gonna use . I would like to use some type a horn loaded woofers
I’m planning on building some speakers with using a Klipsch style tweeter and a 10 inch Conoco mid range horn and just need to figure out which woofer section I’m gonna use . I would like to use some type a horn loaded woofers
Remember, if you want bass the mouth perimeter will need to be about a wavelength of the LF wished for (not factoring in bondary loading). And that a FLH is really only capable of 3-4 ocatves so at some point(s) the box is no longer a horn.
dave
dave
Those are midTweeters — above 250 Hz, The horn loads the lower octaves of driver with a rising on-axis response so that as the horn unloads up top the direct raditor has enuff level to keep things flat.
Bert’s original intention was AERs, Lowthers as well. The above looks like a TB W8-1772.
dave
The Voigt Domestic Corner Horn output from the horn is from about 90Hz-12k.
Perhaps the horn loading is not there for the higher frequencies, but the resultant output is very even. On what I have heard and measured, I think FLH are viable over far more than 3-4 octaves
It operates just as i suggestted. In this case a reflecting radiator above the cutof of the horn. Needs a driver with significantly tipped up top.
dave
dave
Ferguson Hill FH001 front horn makes it down to 150Hz (150Hz - 20KHz)
FHOO1 Horn Loudspeaker - Ferguson Hill
I can't help but wonder how an oval Front Horn design like the FHOO1 would do with the 6" x 9" Sonido SWR 096 AlNiCo
https://www.sonido.hu/adat_pdf/SWR-096A_Product_sheet.pdf
FHOO1 Horn Loudspeaker - Ferguson Hill
I can't help but wonder how an oval Front Horn design like the FHOO1 would do with the 6" x 9" Sonido SWR 096 AlNiCo
https://www.sonido.hu/adat_pdf/SWR-096A_Product_sheet.pdf
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To try and answer the original question. If one is thinking of full range drivers, then the Lowthers do work well in FLH. As Dave alludes to, a tipped up upper frequency output helps where the horn loading drops off. There are other similar drivers, but they are even more expensive. I would be interested to see if anyone can suggest a cheaper suitable driver.
Ah, the seventies. I build several Karlson speakers in these days. From a mini 2.5 inch to 15 inch.
The one that souded the best whas a double 12". I used two Richard Allen, type I do not know any more. also the Philips AD12100 was not so bad.
Allright, HiFi purist will contradict me, but if the feeling is more important then the fidelity, I believe in the Karlson.
My last model was a double one, vertically. One above the other in one cabinet. I replaced a broken JBL cabinet in a pub with the double Karlson. Price wise, the JBL cost twice the Karlson but sounded muddier then the Karlson. They stayed in the pub.
So, those were the good old days when music gave you a kick without searching for noise or interferences.
The one that souded the best whas a double 12". I used two Richard Allen, type I do not know any more. also the Philips AD12100 was not so bad.
Allright, HiFi purist will contradict me, but if the feeling is more important then the fidelity, I believe in the Karlson.
My last model was a double one, vertically. One above the other in one cabinet. I replaced a broken JBL cabinet in a pub with the double Karlson. Price wise, the JBL cost twice the Karlson but sounded muddier then the Karlson. They stayed in the pub.
So, those were the good old days when music gave you a kick without searching for noise or interferences.
Not that particualr one. I hav edone up some of th evintage designs so i could do 3D visualizations.
dave
dave
Not trying to hijack the post, but what are some general guidelines when choosing the shape and size of the horn (front loaded)? I have pair of VIFA NE95W, and this seems like a fun project.
This is a first class textbook on horns. Recommended.
High Quality Horn Loudspeaker Systems by Bjørn Kolbrek and Thomas Dunker
dave
High Quality Horn Loudspeaker Systems by Bjørn Kolbrek and Thomas Dunker
dave
Speaker boxes can only load to the driver's effective mass corner [2x Fs/Qts'], so for horns there's only WG loading above this point.
From this we see that the number of octaves varies, but effective motor strength limits actual horn loading to a few octaves unless really powerful field coils are used.
Qts' = Qts + any added series resistance [Rs]: Calculate new Qts with Series Resistor
This might interest you.
Voigt Corner Horn contemporary build based on original design and materials
A friend of mine built a pair, using an existing one for reference. Just to say that it fits in a corner, and the plaster moulding of a 3 dimensional curve is not for the faint hearted.
From memory (not 100%) it was called a quarter wave horn because it fitted in a corner. Think of it as a quarter of an ice cream cone. So it was a quarter of the full horn. I have heard what I think is an original Voigt full wave Tractrix horn. Absolutely enormous. It works in free space an points horizontally. It did sound fairly awesome.