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Speaker Asylum General speaker questions for audio and home theater. |
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Speaker Asylum General speaker questions for audio and home theater. |
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In Reply to: You impressions of single-driver speakers? posted by genungo on August 24, 2014 at 11:30:02:
I have listened to a lot of whizzer coned drivers and disliked the upper-mids/lower-treble of all I heard.IMO&E assisted WR 'single cone' drivers, with simple crossovers, are a very good idea. You might need a bass-capable driver from 100-200 Hz down and a good super tweeter and a 1st HP. High quality single-cone direct-radiator full-range drivers are not possible now, and may not ever be.
I have concluded that keeping crossovers out of the 100/200 to 3.5kHz at least range is a very good idea. Acousticians and scientists of perception tell us much the same. I am also persuaded that full-range HE (>96db/w?) with direct-radiator drivers is a tail-chase, for me 91db/w really is enough.
One other lesson learned? Parallel R and C - to keep the impedance curve of dynamic drivers flat - are a good idea. You should consider putting those components across the amps' spkr terminals. Can't hurt?!
Bass drivers near the floor have an issue. Deep bass voices can get down to 120-150Hz - Russian basso profundos - so it is best to avoid having them seem to be singing on or near the floor.
Following on from this I have been puzzling and asking around for a good while about a new DIY main speaker system.
I have I think a final project for a point-source vertical array using the Foster FW202 (*) and the Coral 5-inch frame WR drivers. Later with Mangers in the middle instead of the Corals.
Viz. One bass driver and enclosure close to the floor - WR driver and enclosure in the middle, and a matching bass enclosure on top. Possibly just 1st order HP and LP passive-line-level (PLL). But with 3rd as an option using an active 2nd box I have and will blue-print if it's needed.
Triangular steel rod frames with tree vertical rods.
If I can borrow or hire the necessary measuring gear - a mike and a RTA with a screen - the array will be time and phase aligned. Otherwise by ear and friends' ears. ;-)
LBNL is there any RTA software that can run on a tablet? Which tablets? Do such have /take a good sound card, and can they feed a DAC?
I have a tablet in mind and can post its spec. page.
* Foster FW 202? See
http://www.theanalogdept.com/tim_bailey.htm OR
http://www.audioasylum.com/reviews/Speakers/Audiosphere/Model-3/speakers/173913.html
Warmest
Tim Bailey
Skeptical Measurer & Audio Scrounger
Edits: 08/28/14 08/28/14 08/28/14
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Follow Ups
- I've been using wide-range drivers & those which roll-off well on their own for a long time - Timbo in Oz 15:16:10 08/28/14 (1)
- RE: I've been using wide-range drivers & those which roll-off well on their own for a long time - genungo 20:12:46 08/28/14 (0)
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