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In Reply to: RE: Nice sounding open baffle speakers on a Sansui G-5000 posted by airtime on March 09, 2017 at 18:40:52
That one is using a 1st order crossover so maybe that's the trick?
"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken
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Between the filters and trying to pad it down it just got too veiled sounding. It was a beasty to tame. In the end those drivers are best left wide open with maybe a first order cap on top and a super tweeter and subwoofer.
It would need to be measured for its bass roll-off due to the baffle and the bass driver would need a Low-pass to blend. 1st or 3rd order
The ribbon should be rolled in to match the WR driver's own roll-off.
And the WR driver needn't be filtered at all.
Level matching would be necessary, too. But that's not real hard if you choose drivers to be in the ball park. Matching dispersions, so they don't jar in the pass-bands is a biggie too.
IME the 126en sounds best if left alone, except for some parallel RC to flatten the inductance rise it just will have. IF you are going to filter any WR cone-only driver, L-rise eq is vital IME&O.
I've yet to hear a whizzered WR driver I could stay in the room with.
Warmest
Tim Bailey
Skeptical Measurer & Audio Scrounger
After all was said and done with that driver, long story short, I just did not care for the sound of it even wide open.
"
But don't get me wrong about single drivers. I used some of Fostex's 8" drivers for a few years. And yes the whizzer cones are a tad irksome
very important, and - IIRC - easy to calculate from the TS parameters.
I am using the original FE103 in Fostex's rec'd Rb boxes with dual-layer walls and BAF, as front spkrs for the FR/Kitchen's HT system. With parallel R&C of course. There's also a 10 inch / 100 w powered sub, fed from a Sherwood HT 5.1 rcvr!
Have 5 more left over, one will go in a Rb centre speaker, and two pairs as distributed OOPhase L&R rears mounted in the rear walls, behind curtains & using Fostex's own grilles.
ALL of them will have R&C across them.
Use MF plastic caps.
Warmest
Tim Bailey
Skeptical Measurer & Audio Scrounger
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