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In Reply to: Please read this if your interested in the Chicago Horn Summer Bash. posted by KevinP on May 20, 2002 at 20:53:34:
I'm in, definitely. I'll chip in for a DIY room or something too. Even if I don't have anything to bring yet :)On that note... does anyone have a decent mic? By then I should have some compression drivers for my horns, and I'd like to measure those. I may also have my 100hz horns from Bruce, and I'd like to measure those too.
I can bring a PC with some FFT software, if someone just has a mic, or does anyone have a more comprehensive setup?
Thanks
Charlie
Follow Ups:
Charlie and others,I did mention it in a post below, and last night I got a chance to talk to Tom Danley about it. I think we would be able to bring the TEF 20 and run it off a laptop we have. Tom was interested in going, as am I, so we will see what we can do. TEF is a TDS (time delay spectrometry) measurement system which can be very powerful in the right hands. By the time of this meeting we should also have the newer MLS software for TEF allowing comparison of both measurement types. I will warn that most people wouldn't be to happy to see at higher resolution what is really coming out of many speakers, especially as we start looking at the on vs. off axis. Should be rather enlightening and fun.
Regards,
Mark Seaton
Sound Physics Labs / ServoDrive
It'd be great if I got a chance to measure these. Really I just need to pin down the sensitivities so I can get the compression driver attenuation right. Also I want to get the plot of the two so I can find a decent place to crossover, and get the compensation circuit right for the horn, and see if I need a supertweeter.Thanks
Charlie
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