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Old 17th April 2012, 11:22 PM   #2071
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Please publish its Impedance versus Frequency curve or function. What is the nature of the amp driving it? Is it a voltage or a current source? Thanks
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Old 18th April 2012, 12:02 AM   #2072
TerryO is offline TerryO  United States
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Quote:
Originally Posted by tuxedocivic View Post
I liked the MTM from last summer better, but that doesn't mean anything. Dave was still working out the cross over. Even as we listened he was setting the trim on the bass. Otherwise they sounded great.
I believe that the speaker mentioned was using the crossover that Dave Rosgaard (Dave R) had designed and that I soldered up (I think it was that speaker) at the meet.
I think that dave (P10) was later seen dancing around, using it as a boombox.

Breaking News!
I now have the evidence:

Click the image to open in full size.


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TerryO
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Last edited by TerryO; 18th April 2012 at 12:32 AM. Reason: Incriminating evidence introduced
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Old 18th April 2012, 12:33 AM   #2073
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Could be. The one with 2 el166 woofers and a fostex mid/tweet in a tall TL.
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Old 18th April 2012, 02:42 AM   #2074
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Quote:
Originally Posted by TerryO View Post
I believe that the speaker mentioned was using the crossover that Dave Rosgaard (Dave R) had designed and that I soldered up (I think it was that speaker) at the meet.
DaveR did the design (& execution of the series XO for CHBW + ERT26. I did the XO for the MTM (1 choke + 1 cap (+ bypass cap))

dave
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Old 18th April 2012, 03:08 AM   #2075
TerryO is offline TerryO  United States
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Quote:
Originally Posted by planet10 View Post
DaveR did the design (& execution of the series XO for CHBW + ERT26. I did the XO for the MTM (1 choke + 1 cap (+ bypass cap))

dave
Hey dave,

Probably my poor memory. All I really remember is that I soldered some crossovers , DaveR was designing and you was busy doing something else.

Was that the same evening that we matched up all the eNABL'd drivers according to their final measured specs?

Sometimes it's a lot of work to have a great time.

Best Regards,
Terry
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Old 18th April 2012, 04:42 AM   #2076
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Sometimes it's a lot of work to have a great time.
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Old 18th April 2012, 06:51 AM   #2077
chrisb is offline chrisb  Canada
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Quote:
Originally Posted by TerryO View Post
Hey dave,

Probably my poor memory. All I really remember is that I soldered some crossovers , DaveR was designing and you was busy doing something else.

Was that the same evening that we matched up all the eNABL'd drivers according to their final measured specs?

Sometimes it's a lot of work to have a great time.

Best Regards,
Terry
Quote:
Originally Posted by planet10 View Post

and at our age (close to 200 collectively) it's even more work to reconstruct the memories thereof

well, actually all human memory is a construct, but let's not get metaphysical....

until August, then all bets are off

cheery bye
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Old 18th April 2012, 06:57 AM   #2078
chrisb is offline chrisb  Canada
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Default a propos of nothing

looking at the picture of Dave cavalierly humping those MTMs* reminds me that had a chance to hear the "woofT" ( push-push EL166/Woofer6) earlier today - if Mark doesn't reissue this driver with whatever model designation he decides, it'd be a waste of his versatile engineering talent

*ask him how he's feeling after another shift as furniture mover today (pretty soon Tysen will be able to lend a hand)
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Old 18th April 2012, 04:43 PM   #2079
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if Mark doesn't reissue this driver with whatever model designation he decides, it'd be a waste of his versatile engineering talent
Looks like he might. Saw some photos on his forum. Hearing them is impressive. But you gotta hand some of the credit back to Dave and yourself for building/designing those cabs. I'd sure like to learn TL design one day.
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Old 18th April 2012, 05:22 PM   #2080
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Dave & Chris get no credit for the actual design, just the adaptaion, drawings, and execution. Scott does the TL designing.

dave
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