In Reply to: RE: 2x10 Karlson? posted by freddyi on August 28, 2007 at 10:08:51:
Don't run out and build this now... Its only an experiment.
And at this point sounds like it still needs serious tuning.
So far I discovered (by totally unscientific observation):
Driver is much louder in MidBass with the Coupler.
Top end sparkle drops out some notches I think.
The top end sounds best with the coupler about 2
inch gap suspended above the cone??? Go figure...
Blocking the lower 1/3 of the slot definately
does not help anything. The full slot is better.
Prying the slot wider seems to help, may widen
some more, as I conservatively cut only 1/2 the
circumferance at the big end of the exponential.
Easier than adding missing material back.
The tube is directional (up and slightly forward)
unless you add the angled piece inside, it does
not radiate well toward the listener. The angled
piece helps immensely, and I can see why Karlson
and Poppe both did this. How do other tubes live
without?
Anyone know this driver? I am almost sure its an
EV10M, but no listing for any such built to 16ohm.
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Follow Ups
- RE: 2x10 Karlson? - kenpeter 00:32:04 08/29/07 (3)
- RE: 2x10 Karlson? - freddyi 10:02:53 08/29/07 (2)
- Offest Whizzer Kones - kenpeter 18:11:41 09/02/07 (1)
- Radial Klams - kenpeter 22:21:08 09/02/07 (0)