Mark's proto 6.5" Woofer, 1" silk Tweet combo - Page 26 - diyAudio
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Old 24th April 2012, 11:05 PM   #251
jimbro is offline jimbro  United States
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Hi Mark - looks like woof 6.2 should still work with tweet 3 (ert26)?
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Old 25th April 2012, 05:07 AM   #252
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Originally Posted by chrisb View Post
since this is your forum, you're able to control the "warmer" replies (mine included if need be), but I think the operative word in above post is "claim"

is there an emoticon for "can o' worms" or "$hit-disturber"? damwell should be

I just so happen to have the spec sheets for Alpair10.2 (which is quite growing on me, but still not yet as favorite as the 7.3 or EL70) and a 12" (which I've not yet heard) by maker famous for their OEM/DIY/musical instrument models - very interesting . Aside from the 12's approx 10dB difference in nominal power band sensitivity, 4dB rise in the 600-6K range, and 10times power handling which one would be surprised not to find in this type of driver, what's most interesting in closer inspection of the TSP and FR graph is the only approx 3 dB difference from 300Hz down; with the Alpair's built in BSC, almost identical Xmax, and 10Hz lower Fs extending the little guy's "anechoic" F10 almost a full octave lower than the 12"

horses for courses of course
Hi Chris,
Apologies, I missed reading this post. I try not to control any of the replies. Only those that are a tad over-hostile or misleading push into delete mode.

Get your drift, sadly the commercial market (woofs etc) can be shall we say "over generous" with published specs. I'm on record for making this criticism of my industry. Alas, any woof I make must compete and rest assured, I'll do honest anechoic tests as accurate as possible.

We could recall that Markaudio drivers do differ in their design from "commercial" drivers. We are pushing the envelop design on low mass cones, wide compliance suspensions and light long stroke coils etc,; a long way off from the traditional drivers. But we should also bear in mind that power-handling on Markaudio designs has to be lighter while traditional designed drivers may offer more loading. However, I when I look at some of the power-handling claims made by some makers, they are "optimistic" (putting it mildly).


Last edited by markaudio; 25th April 2012 at 05:09 AM.
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