jwc Posted May 7, 2005 Share Posted May 7, 2005 Would someone please measure the internal dimensions of the heresy one for me. I know the external dimensions. I need: Inside top to bottom Inside side to side Inside of motorboard to inside of back cover. Also external dimensions of the base of the crossover H x W x D. Thanks so much jc Quote Link to comment Share on other sites More sharing options...
BS Button Posted May 7, 2005 Share Posted May 7, 2005 The height dimension on the crossover could be affected by whether or not Crites stacks the cans or lay's them down in the opposed position. TEE Hee, hee!!! BS Quote Link to comment Share on other sites More sharing options...
jwc Posted May 7, 2005 Author Share Posted May 7, 2005 Todd, I don't need the height including the components on the crossover. I just want the dimensions of the wood base. I'm sure the height is 3/4 inch. But what is the width and depth? The Heresy doesn't have "butt" joints like the Cornwalls. Therefore I am not visualizing the internals very well. Also, I don't know if the motorboard is offset from the front 5/8 inch like the Cornwall. jc Quote Link to comment Share on other sites More sharing options...
BEC Posted May 7, 2005 Share Posted May 7, 2005 jc, I have several sets of Heresy crossovers lying around and measured a few of them. 5 1/2 X 9 1/2 seems to be a likely size, however I have one set that is 5 1/2 X 11. There was not a standard size that was used all the way through. Also some are on 1/2 inch plywood and some are on 3/4 inch. Bob Crites Quote Link to comment Share on other sites More sharing options...
jwc Posted May 7, 2005 Author Share Posted May 7, 2005 Thanks Bob. That is what I needed. Now I just need some internal Dimensions of the cabinet. jc Quote Link to comment Share on other sites More sharing options...
BEC Posted May 7, 2005 Share Posted May 7, 2005 Jc, My set of Heresy I have the motor board set in 7/16 inch. All the cabinet is 3/4 inch plywood and the outside measurements are 13 1/4 X 21 1/4. That would give an internal measurement of 11 5/16 X 19 3/4. Bob Crites Quote Link to comment Share on other sites More sharing options...
jwc Posted May 7, 2005 Author Share Posted May 7, 2005 Bob I'm with ya. If the motorboard is offset 7/16, then I agree with an: internal depth: 11 5/16 internal height: 19 3/4 Is your external width....15 1/2? Making internal width: 14"? jc Quote Link to comment Share on other sites More sharing options...
jwc Posted May 7, 2005 Author Share Posted May 7, 2005 If the above internal dimensions are correct, then the Heresy 1 internal volume is 1.810131 cubic feet. Yes, this excludes the volume of the drivers/horns, 3/4 inch mounting pieces, and crossover. Bob, your Heresy does have the 3/4 inch strips in the front and back to mount the motorboard and back cover....right? jc Quote Link to comment Share on other sites More sharing options...
djk Posted May 7, 2005 Share Posted May 7, 2005 What about the back? Many type 1 Heresy had 12mm Baltic Birch backs. Quote Link to comment Share on other sites More sharing options...
BS Button Posted May 7, 2005 Share Posted May 7, 2005 JC, Without bass ports in the Heresy, I'd betcha you could add some insulation? True? Todd Quote Link to comment Share on other sites More sharing options...
Daddy Dee Posted May 8, 2005 Share Posted May 8, 2005 On Heresy insulation, I don't understand the physics or sonics of the issue, but for some reason PWK didn't do in this speaker what so many designers do in other designs. While I've heard some people say it's absence was an economy feature, I don't think Mr. Paul would have skimped if a few cents worth of stuffing if it would have improved the sound. One disclaimer, I haven't tried it. Others have and say their speakers sound better. Interesting issue. Curious to me, but out of my depth. Quote Link to comment Share on other sites More sharing options...
BS Button Posted May 8, 2005 Share Posted May 8, 2005 The insulation volume should not be messed with on any other designs, but the Heresy may be the only exception. Quote Link to comment Share on other sites More sharing options...
jwc Posted May 8, 2005 Author Share Posted May 8, 2005 DJK, Is it true? 12mm back cover? That's about 1/2 inch. Is there anyone that can speak up to the thickness of their back cover. Am I to assume the motorboard on that Heresy was 12mm thick? Todd, I may plan on some dampening. However, if I make a cabinet, i'm not relying on thunderbass. I just need good quick bass that integrates well with the sqwuaker. jc Quote Link to comment Share on other sites More sharing options...
BEC Posted May 8, 2005 Share Posted May 8, 2005 jc, I have the back off of one of mine now and it is 3/4 inch. I have no idea if that is the norm or not. Bob Quote Link to comment Share on other sites More sharing options...
jwc Posted May 8, 2005 Author Share Posted May 8, 2005 Just what I needed. Thanks Quote Link to comment Share on other sites More sharing options...
michael hurd Posted May 8, 2005 Share Posted May 8, 2005 A set of '84's that I looked at a couple of years ago, had a 3/4" plywood back. These were transitional models with the k-53, k77, and k-22. The crossover was also built on 3/4" thick plywood. Quote Link to comment Share on other sites More sharing options...
Klipschguy Posted May 10, 2005 Share Posted May 10, 2005 I experimented with acoustic fill in my Heresy cabinets. I clearly felt that it added little, if any extension and made the speakers sound less dynamic. The effect on the dynamics was pronounced and negative, IMHO. Andy Quote Link to comment Share on other sites More sharing options...
Marvel Posted May 10, 2005 Share Posted May 10, 2005 The early Heresys had the thinner back (removable back models), while the HIIs are all 3/4 inch with access through the front by removing drivers. The transition models are up for grabs. A slight difference isn't going to matter much. Quote Link to comment Share on other sites More sharing options...
Tom Adams Posted May 10, 2005 Share Posted May 10, 2005 My '78 model Heresy I's have a 1/2" back panel. My single Heresy II has a large piece of grey foam in it. I asked Trey Cannon the following: 1. What was it for? 2. Can I cut it and glue it to the insides? His response: 1. To control "bounce" in the cabinet. 2. Yes. Follow-on question: Does the Heresy I have this "bounce"? His response: Yes. Tom Quote Link to comment Share on other sites More sharing options...
jwc Posted May 10, 2005 Author Share Posted May 10, 2005 I can't seem to upload images to the forum. Could any of you guys go to this website and look at my images and proofread. Tell me what you think. http://www.jwcullison.com/heresydesign.htm jc Quote Link to comment Share on other sites More sharing options...
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