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Klipsch KPT-1802-HLS Horn Subwoofer


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#121 kharmondds

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Posted 13 April 2014 - 12:06 PM

I asked Roy what two 18 inch woofers in this horn would sound like. He said it sounds good but it will not go as deep as the single 18 with the ports.

The first prototype had a drone but there were some problems with it and this caused Roy to use the ports instead of the drone. The k-472 is an 8 ohm driver and there were some issues with amps clipping because of the 93 volts. He then switched to the k-473 which is 4 ohms and around 60 volts, this solved the amp clipping aggravation.

Kevin


Edited by kharmondds, 13 April 2014 - 12:20 PM.


#122 mach-1

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Posted 13 April 2014 - 01:11 PM

Thanks for the info #1 av-25295.jpeg?_r=0 Fan. This is very interesting, a case where less is more/better! It is a big credit to Mr. Delgado to try many alternatives to refine a product that very people will ever see (behind the screen) but will hear the results. :)



#123 beeker

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Posted 13 April 2014 - 01:13 PM

I asked Roy what two 18 inch woofers in this horn would sound like. He said it sounds good but it will not go as deep as the single 18 with the ports.

The first prototype had a drone but there were some problems with it and this caused Roy to use the ports instead of the drone. The k-472 is an 8 ohm driver and there were some issues with amps clipping because of the 93 volts. He then switched to the k-473 which is 4 ohms and around 60 volts, this solved the amp clipping aggravation.

Kevin

Very interesting. It actually makes sense to me with other up to date Danley designs. I would love to hear these and believe i will have a chance in about 2 months thankfully.



#124 jwc

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Posted 14 April 2014 - 11:05 AM

Why the cluster of small ports as opposed to one larger one?


if u had one big diameter port.....it would be long.... Sounds good though...doesn't it :)

#125 jwc

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Posted 14 April 2014 - 11:06 AM

Nice posts "Ultimate Klipschfan"

#126 ClaudeJ1

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Posted 14 April 2014 - 11:50 AM

Kevin. So I'm guessing you will putting a PAIR of these between your Jubilees this year? LOL



#127 ClaudeJ1

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Posted 14 April 2014 - 11:56 AM

Roy was explaining to me that the 1802 will out perform two QSC cinema subs. So we are comparing a single 18" driver in a vented horn loaded enclosure against two direct radiators. QSC uses 21" driver in a ported box. The two 21" inch woofers when pushed hard at certain frequencies will experience "port chuffing". This is not pleasing to our ears. The low frequencies reproduced by the 1802 are much cleaner, that's why a lot of folks love properly designed horns and the lack of distortion that goes with them :)

Kevin Harmon

If it outperforms twin 21" woofers, it will certainly oupterform Klipsch's own twin 18's. Otherwise, why bother? Horns still rule the Universe!



#128 kharmondds

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Posted 14 April 2014 - 12:16 PM

Kevin. So I'm guessing you will putting a PAIR of these between your Jubilees this year? LOL

I would love to have at least one of them, I haven't ordered it yet. JC might end up getting one before I do, he has a much larger listening room.



#129 The Dude

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Posted 14 April 2014 - 06:31 PM

I just showed my wife this, as I was told I could put what ever I want in the basement. She just shut me down, as it would take up so much space my gear would end up in the upstairs living room. So I guess everybody has a limit. Very cool pictures, thanks for sharing.


Edited by duder1982, 14 April 2014 - 06:31 PM.


#130 Turbox

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Posted 18 April 2014 - 10:52 PM

everything about this sub is the real deal.



#131 ClaudeJ1

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Posted 21 April 2014 - 11:48 AM

everything about this sub is the real deal.

No kidding. Roy has been a brilliant, prolific, yet, modest, horn designer for Klipsch right out of college. He's unstoppable. I reckon' he has had LOTS of other prototypes of all kinds for all kinds of horns and other types of speakers boxes before shipping "the black ones!!"


Edited by ClaudeJ1, 21 April 2014 - 11:49 AM.


#132 derrickdj1

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Posted 21 April 2014 - 11:56 AM

Tip the delivery guys good and maybe they will help you get it in the house.



#133 CECAA850

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Posted 25 April 2014 - 08:35 PM

My gosh Derrick, you must have ADD. Avatar Deficit Disorder :lol:



#134 Taz

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Posted 27 April 2014 - 11:54 PM

My wife looked at the sub and says "You've got a real problem". and I said, "look, I don't complain about your shoes..." that was the end of that story. lol.

I was going to suggest you borrow the "Twins" and maybe you wife would not even notice the new equipment. :D



#135 John Albright

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Posted 30 April 2014 - 07:31 PM

Great Googly Moogly!



#136 John Albright

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Posted 30 April 2014 - 07:42 PM


.................10-15 Hz at night so not to bother anybody.

Riiiight. ROTFLMAO!



#137 jason str

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Posted 30 April 2014 - 08:01 PM

.................10-15 Hz at night so not to bother anybody.

Riiiight. ROTFLMAO!

Raw driver attached to the motorboard for break in, i talc the wood to be sure it clears the surround before install.

Hooked up right in the room where i sleep through the night, can't hear a thing.



#138 minermark

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Posted 30 April 2014 - 08:31 PM

Try these out for a start.

Man-0-Man what I could do with a couple of those :emotion-21:



#139 ClaudeJ1

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Posted 11 May 2014 - 10:42 AM

everything about this sub is the real deal.

Real deal indeed for real theaters and huge rooms. What is interesting, in terms of principle, is that in comparison, Danley DTS-10's are 1/2 the thickness (Z dimension) and roughly the same XY, so half the volume against the wall. They are also 100 db/watt, go an octave lower, cost about the same per cabinet, also weigh 300 lbs, and the twin 12" drivers (also made by Eminence) are equivalent to one 18". It appears the DTS-10 is about a 24 foot long horn, but the port (horn mouth) is only 16x20"

Having the extra 18", driver even though it's passive, give twice the source radiation area and the horn mouth on the Klipsch is much bigger, so talk about subwoofage slam in a large theatre. I can only imagine what it can do in a home living room. OMG. You probably never use more than 10 watts, eh?



#140 pgh

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Posted 17 May 2014 - 09:36 PM

Excuse my ignorance, but I was wondering why the use of commercial loudspeakers in a residence? Apart from the obvious increased sound levels, what other benefits are provided by this setup?