CECAA850 Posted September 9, 2019 Share Posted September 9, 2019 20 minutes ago, 314carpenter said: Wanna bet? I on the other hand believe they're the metal inserts that the magnets that are attached to the grill frames bond to. Could be that too. Quote Link to comment Share on other sites More sharing options...
mustang_flht Posted September 9, 2019 Share Posted September 9, 2019 2 hours ago, ClaudeJ1 said: that's for the older Cornwall, not the current one. Hi Claude 😀 I answered well for the current CW IV: 700Hz for the connection between the K33E and the new K-702 according to the documentation of Klipsch, that's why IB Slammin said: With the larger horn I had hoped that it would cross deeper...... https://f072605def1c9a5ef179-a0bc3fbf1884fc0965506ae2b946e1cd.ssl.cf2.rackcdn.com/product-specsheets/Cornwall-2019-Spec-Sheet-v01.pdf Quote Link to comment Share on other sites More sharing options...
jimjimbo Posted September 9, 2019 Share Posted September 9, 2019 1 hour ago, CECAA850 said: Yes, I believe they're grill I'm a chick magnet. I fixed it for ya. 1 Quote Link to comment Share on other sites More sharing options...
jwc Posted September 9, 2019 Share Posted September 9, 2019 34 minutes ago, jimjimbo said: 1 hour ago, CECAA850 said: Yes, I believe they're grill I'm a chick magnet. I fixed it for ya. LOL Quote Link to comment Share on other sites More sharing options...
CECAA850 Posted September 9, 2019 Share Posted September 9, 2019 Just now, jwc said: LOL It is what it is! Quote Link to comment Share on other sites More sharing options...
Arkytype Posted September 9, 2019 Share Posted September 9, 2019 Let's hope Stereophile doesn't request a pair (CW IV) to review. If they do get a pair, Chief Bonehead should be present when the measurements are taken. Better yet, fly John A. in with his test gear and oversee the measurements in the listening room and the chamber. Lee 1 Quote Link to comment Share on other sites More sharing options...
Klipsch Employees Chief bonehead Posted September 9, 2019 Klipsch Employees Share Posted September 9, 2019 5 hours ago, ClaudeJ1 said: Yes, I'm pretty sure the "tractrix port" is nothing BUT cosmetics anyhow. Sonically, IMHO quoting PWK: "It doesn't make a dimes worth of difference." I guess I better go with your experience and just throw out my data....... 3 7 Quote Link to comment Share on other sites More sharing options...
Klipsch Employees Chief bonehead Posted September 9, 2019 Klipsch Employees Share Posted September 9, 2019 5 hours ago, ClaudeJ1 said: Looks like a much bigger horn to me. Why wouldn't they just use a K-510 anyhow? I’ll make the change to the bill of materials tomorrow. Anything else you want changed? 4 4 Quote Link to comment Share on other sites More sharing options...
Klipsch Employees Chief bonehead Posted September 9, 2019 Klipsch Employees Share Posted September 9, 2019 On 8/31/2019 at 12:41 PM, IB Slammin said: Hey Boss, Where does the mid horn cross?? tc Officially 700 but acoustically it’s around 660hz. 4 Quote Link to comment Share on other sites More sharing options...
Klipsch Employees Chief bonehead Posted September 9, 2019 Klipsch Employees Share Posted September 9, 2019 On 9/2/2019 at 1:23 PM, IB Slammin said: Thanks. With the larger horn I had hoped that it would cross deeper...... The crossover points are chosen to match each driver along with other parameters. 3 1 Quote Link to comment Share on other sites More sharing options...
mustang_flht Posted September 9, 2019 Share Posted September 9, 2019 Bravo Chief for these 4 burst responses, you are in shape today Seriously, thanks for all these precious details 👍 Quote Link to comment Share on other sites More sharing options...
David Evans Posted September 9, 2019 Share Posted September 9, 2019 They look great! Great job to all involved with them! I’d sure enjoy hearing them! Quote Link to comment Share on other sites More sharing options...
geoff. Posted September 9, 2019 Share Posted September 9, 2019 The Cornwall is the Corvette of speakers. An American classic that has stood the test of time and just keeps getting better. Way to go! 1 Quote Link to comment Share on other sites More sharing options...
ClaudeJ1 Posted September 10, 2019 Share Posted September 10, 2019 4 hours ago, Chief bonehead said: I guess I better go with your experience and just throw out my data....... I'm glad I coaxed you out of hiding with this very telling remark of yours, so thank you. Quote Link to comment Share on other sites More sharing options...
Moderators Travis In Austin Posted September 10, 2019 Moderators Share Posted September 10, 2019 12 hours ago, Arkytype said: Let's hope Stereophile doesn't request a pair (CW IV) to review. If they do get a pair, Chief Bonehead should be present when the measurements are taken. Better yet, fly John A. in with his test gear and oversee the measurements in the listening room and the chamber. Lee They don't have a chamber. Apparently they have a driveway though. 1 Quote Link to comment Share on other sites More sharing options...
Moderators Travis In Austin Posted September 10, 2019 Moderators Share Posted September 10, 2019 16 hours ago, Bill W. said: I think the tractrix flare improves the flow efficiency, allowing the port tuning frequency to be more stable over a wider output range. Holy cow, you clearly will be in the advanced group next month. Quote Link to comment Share on other sites More sharing options...
pzannucci Posted September 10, 2019 Share Posted September 10, 2019 15 hours ago, Chief bonehead said: I guess I better go with your experience and just throw out my data....... 11 hours ago, ClaudeJ1 said: So apparently it makes a Quarter's worth of difference then. LOL. I think the ports will make a profound difference. Too much box resonance/sound in earlier CWs. One of my major dislikes. I will need to seek out an audition because it seems the problem areas have been addressed. Just wonder if the poly mid will sound as good as phenolic. Probably better damping. 1 Quote Link to comment Share on other sites More sharing options...
ClaudeJ1 Posted September 10, 2019 Share Posted September 10, 2019 Besides, I suspect that the MAJOR improvements in the new Cornwall has nothing to do with the bass, but rather the MIDRANGE and Tweeter section, where the chosen Horn and Xover point matches up the POLARS better than sticking a Heresy horn in there (which Gary Gillum was puzzled by). BTW, the old K-600 horn had good response down to 500 Hz. FYI, but is likely outperformed by the new Mumps Horn. 1 Quote Link to comment Share on other sites More sharing options...
moray james Posted September 10, 2019 Share Posted September 10, 2019 Vent termination both inside and out will help air ingress and egress and will help with vent noise. Box resonance is another issue which brace work will solve. Aside from the vent itself the CW has no brace work, it is a big hollow large panel box very much in need of braces and ties to hold it all together. Manufactures tend to spend their money where the customer can see and appreciate it. For example they tell you port termination is important but only on the side of the port that you look at inside it all of a sudden does not matter, funny how that works. 2 Quote Link to comment Share on other sites More sharing options...
IB Slammin Posted September 10, 2019 Share Posted September 10, 2019 17 hours ago, Chief bonehead said: Officially 700 but acoustically it’s around 660hz. Thank you! Quote Link to comment Share on other sites More sharing options...
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