DrWho Posted March 25, 2005 Share Posted March 25, 2005 Wasn't there a design a while back where someone ported the heresy to help extend it's LF response? Or would anyone happen to have the T/S parameters for the heresy woofer so that I can model it myself just for kicks? I seem to remember a pic of it...the cabinet was slightly larger with two ports on the front underneathe the woofer and the speaker was sitting on some shelf. I've tried the search thing and have come up empty handed (read every single thread that gave me hits). I remember it being a long time ago before the forums were merged into the ones we have today. Quote Link to comment Share on other sites More sharing options...
Daddy Dee Posted March 25, 2005 Share Posted March 25, 2005 Dr. Who, The mod you are describing sounds like a LaScala bass bin mod. I certainly could have missed it, but don't recall seeing a Heresy mod like that. Quote Link to comment Share on other sites More sharing options...
Gilbert Posted March 25, 2005 Share Posted March 25, 2005 I've got some industrial Heresy's that are ported. Will that help? Quote Link to comment Share on other sites More sharing options...
DrWho Posted March 26, 2005 Author Share Posted March 26, 2005 they made an industrial heresy? wow, first time i've heard of that! pics would be cool if they're readily available. btw, I'm well aware of the intentional overdamping of the heresy and the benefits of it, but thought it would be cool nonetheless to build a ported cabinet for one...perhaps I might go find me a different driver over at PE to get that extra bass response. btw, i don't even own any heresies yet! Quote Link to comment Share on other sites More sharing options...
djk Posted March 26, 2005 Share Posted March 26, 2005 The Industrial Heresy has no bass. The vented heresy was an idea I had with a riser base similar in concept to the vented LaScala. The added box needs to be around 1 cu ft (net) and the port(s) tuned to Fs (about 32hz). This is an SBB4 (best transient response of all vented alignments) and I used a Q=2 filter at 32hz making the whole system a C6 with an F3=32hz. I also added an 800hz all pass filter to the woofer for time alignment, it sounds quite a bit better that way. Quote Link to comment Share on other sites More sharing options...
hurdy_gurdyman Posted March 26, 2005 Share Posted March 26, 2005 ---------------- On 3/26/2005 3:33:58 AM djk wrote: The Industrial Heresy has no bass. The vented heresy was an idea I had with a riser base similar in concept to the vented LaScala. The added box needs to be around 1 cu ft (net) and the port(s) tuned to Fs (about 32hz). This is an SBB4 (best transient response of all vented alignments) and I used a Q=2 filter at 32hz making the whole system a C6 with an F3=32hz. I also added an 800hz all pass filter to the woofer for time alignment, it sounds quite a bit better that way. ---------------- Do you have a link to this? I'd like to see drawings and/or pics. It might be interesting to build a new box altogether and try this. That way, my origional Heresy boxes won't have extra holes put in them. Dave Quote Link to comment Share on other sites More sharing options...
Marvel Posted March 26, 2005 Share Posted March 26, 2005 Dennis always has the numbers! Al K. had posted a design that he called a Heresy on steroids, but I hear that Congress may get involved. Al's is a new cabinet, and other parts, perhaps a different horn and different tweeter. If you search for Heresy on steroids, you can probably find it. Heresy Industrial Ported (HIP), cabinets are used by one of our local sound companies. THey run sound for a series of free concerts an a small downtown park in Chattanooga every summer. They hang the Heresys from trees a little further back from the stage, at a point where you can't see the performers, but the sound is pretty good. Looks a lot like a mini Cornwall. Marvel 1 Quote Link to comment Share on other sites More sharing options...
DrWho Posted March 26, 2005 Author Share Posted March 26, 2005 Hey thanks djk! Btw, where do you get all your info from? Is there any loss in efficieny going this route? An F3 of 32Hz would spank my chorus II mains. The heresy on steroids was the original one I was thinking of, but I didn't realize that it was a complete overhaul on parts. A simple port is more of what I was thinking. Quote Link to comment Share on other sites More sharing options...
djk Posted March 27, 2005 Share Posted March 27, 2005 I am reminded of someone on the DIY subwoofer forum, he needed a 'schematic' for a 1 cu ft box. If you can't figure it out, don't even bother trying. "Heresy Industrial Ported (HIP), cabinets are used by one of our local sound companies. THey run sound for a series of free concerts an a small downtown park in Chattanooga every summer. They hang the Heresys from trees a little further back from the stage, at a point where you can't see the performers, but the sound is pretty good." The HIP is 3dB down at about 100hz, and as loud as a Klipschorn above about 200hz! Hopefully you could still hear some bass from off the stage to fill in the low end. "to build a new box altogether " About 4750 cu in net, net. "Hey thanks djk! Btw, where do you get all your info from?" I make it up, its called 'design'. " "Is there any loss in efficieny going this route?" Why should there be? No% is determined by the woofer. Same woofer. "An F3 of 32Hz would spank my chorus II mains." It goes lower than a Klipschorn or a Cornwall, a Chorus isn't even close. "A simple port is more of what I was thinking." It is a simple port. Quote Link to comment Share on other sites More sharing options...
formica Posted March 27, 2005 Share Posted March 27, 2005 Here are some T/S parameters for the Heresy woofers. It's my understanding (maybe a Klipsch guru can clarify) that Klipsch did vary the T/S parameters over the years, sometimes without changing it's designation (ie: not all K-22 woofers are the same as the Xmax was supposedly improved long before the HII was introduced). Anyways, here is what I have... Heresy I woofer K-22-E Diam 12 " Fs 33 Hz Qms 4.61 Qes 0.38 Qts 0.35 Vas 6.02 Cuft NomZ 8 Ohm Re 6.8 Ohm Pe 100 Watts Sd 86.6 sqin Xmax 2.032 mm SPL 94.8 dB@2.83V Le 1.02 mH BL 15 TM The sealed box seems a little undersized to get a QTC of 0.7. Porting it would require a large box like djk mentioned. Porting the existing enclosure (the mod you recall seeing) by just adding it to the rear panel would improve the bass response a little. They later dropped the FS and increased x-max on the driver to probably help it's anaemic bass response (see attachment). Heresy II woofer K-24-K Diam 12 " Fs 23.99 Hz Qms 4.76 Qes 0.347 Qts 0.323 Vas 9.923 Cuft NomZ 8 Ohm Re 5.3 Ohm Pe 100 Watts Sd 82.15 sqin Xmax 4 mm SPL 93.23 dB@2.83V Cms 704 uM/N Mms 62.5 Grams Le 1 mH BL 12 T Enjoy plugging in the numbers... Rob Quote Link to comment Share on other sites More sharing options...
djk Posted March 28, 2005 Share Posted March 28, 2005 Unfortunately there are errors in that list. Notice how all the woofers have 4mm x-max and 1mH inductance? The parameters formica gave on the K22E are accurate, I provided them (typical of late 70s~early 80s). Quote Link to comment Share on other sites More sharing options...
NOSValves Posted March 28, 2005 Share Posted March 28, 2005 Lane audio has all the information to use there Heresy replacement woofer in the ported box while reuseing everything else out of the heresy's X-over, Mid and tweeter. If I remember right they claim the super heresy would reach down to 40hz. Craig Quote Link to comment Share on other sites More sharing options...
colterphoto1 Posted March 28, 2005 Share Posted March 28, 2005 Who, Don't you go drilling holes in my boxes now, ya hear me boy! Michael 1 Quote Link to comment Share on other sites More sharing options...
colterphoto1 Posted March 28, 2005 Share Posted March 28, 2005 Who, Don't you go drilling holes in my boxes now, ya hear me boy! Michael Quote Link to comment Share on other sites More sharing options...
DrWho Posted March 28, 2005 Author Share Posted March 28, 2005 haha no worries, I've got a single center heresy coming my way from Idaho...we'll just have to see if the ported version can beat the chorus II's. If it does, then I'll have to help myself to some of the great ebay heresy deals going on. $400/pair shipped is a real steal. Btw, I might be down at UIUC this weekend, you'll have to let me know if you want them heresies brought down with me. Quote Link to comment Share on other sites More sharing options...
formica Posted March 29, 2005 Share Posted March 29, 2005 ---------------- On 3/28/2005 6:24:34 PM djk wrote: The parameters formica gave on the K22E are accurate, I provided them (typical of late 70s~early 80s). ---------------- Thanks for supplying the data, and sorry for not giving you credit for it... as I really didn't remember who posted the info originally. BTW, do you know when Klipsch upped the x-max in the Heresy woofer? Rob Quote Link to comment Share on other sites More sharing options...
DrWho Posted April 1, 2005 Author Share Posted April 1, 2005 Would the K-24 be a better woofer for the job? I haven't plugged it into WinISD yet cuz the specs are "wrong"...any idea what needs to be changed? Thx again for the quick replies Quote Link to comment Share on other sites More sharing options...
Rockets Posted November 7, 2008 Share Posted November 7, 2008 Dr. Who, did you ever port that heresy? Does anyone know why one couldn't use a JBL 123a in place of the K-22? I know the JBL is only good for 50 watts, but I think, when ported, it'll go lower than the K-22. and they let the 123a run wild until it rolls off...no 1st order. If memory serves me right the cubic inches of both the heresy and the L100 are similar, Thoughts anyone?? Also what's the difference between a K-22, K24 and a K28? Anything major? And the K 42 is a 200w version of the K-22...correct??? I just picked up a set of HP-1's. The cabinets are in excellent shape, but the K-24's are history. So since I have to change them out, I figure I'd look at my options. BTW, does anyone have a schematic of the HP-1 crossover?? Thanks TC Quote Link to comment Share on other sites More sharing options...
colterphoto1 Posted November 7, 2008 Share Posted November 7, 2008 An HP-1 is essentially an early KP201 and might have that network or the one for a H2. KP201 attached. Travis is in possession of the sole HP1 I owned. I'll check to see if I took a photo of that board while tinkering with the cabinet. KP-201 2.0A.pdf Quote Link to comment Share on other sites More sharing options...
Marvel Posted November 7, 2008 Share Posted November 7, 2008 Don't forget that Heresy IIs can be turned into Tangent 400s. Same parts, including crossovers. 38Hz-20kHz±3dB. Two ports and larger cabinet. Quote Link to comment Share on other sites More sharing options...
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