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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: "Cheap" is a relative term, when it ain't fightin' words! LOL posted by bartc on January 2, 2009 at 08:11:09:
There are many 8" and 6.5" non-ported "subwoofers" that are "lower"My first "real" speakers were KLH 17's many many decades ago, but I suspect some Chinese company bought the KLH logo used today.
A real audible improvement would be from using two (Left and Right) KLH subwoofers.
Adding another identical subwoofer increases maximum output +3 to +5dB (+6dB if both are stacked in one place) ... and left-right subs prevent a standing wave between the side walls that causes a bass null halfway between those walls (where most two-channel audiophiles sit) ... because left and right subwoofers (or left and right full-range speakers) would be out of polarity for that room mode = so no standing wave will occur!
(565 / distance between side walls in feet = center frequency of standing wave null in Hz.
(This is the important side-wall-to-side-wall first-order axial room mode, that will cause a partial null roughly 5Hz. wide measured by the -3dB points, and up to -20dB to -30dB deep at the minimum SPL point exactly halfway between the walls if both walls are equal bass reflectors = way more than anyone needs to know).
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Richard BassNut Greene
"The Floyd R. Turbo of Bingham Farms Michigan"
Edits: 01/02/09
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Follow Ups
- "my el cheapo KLH 120W 10" ported sub is about as low as they go." - Richard BassNut Greene 08:53:38 01/02/09 (3)
- I meant low as in cost! - bartc 09:45:11 01/02/09 (2)
- "I really wouldn't want another KLH in my room as my wife would go bananas" - Richard BassNut Greene 13:46:21 01/02/09 (1)
- My wife would crack up at that suggestion - bartc 15:22:45 01/02/09 (0)
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