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Planar Speaker Asylum Welcome! Need support, you got it. Or share your ideas and experiences. |
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In Reply to: RE: It works ... posted by hahax@verizon.net on February 7, 2021 at 21:15:05:
as the HP filter in the 'Loki' appears to:
a) be 1st order (the blurb says "shallow slope"), and
b) operates at 20Hz
... it is not doing a great job of reducing LF excursion on the LRSs.
A far better approach (if the OP doesn't want to go to an active filter) would be a 12dB line level passive filter on the inputs of the amp driving the LRSs - this is made from a small cap and a resistor (on each channel). Values depend on:
1. the input impedance of the amp, and
2. the desired roll-off frequency.
Andy
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Follow Ups
- RE: Sure - that's the point of putting a HP filter on the input of the amp driving the LRSs - but ... ... - andyr 21:39:37 02/07/21 (14)
- RE: Sure - that's the point of putting a HP filter on the input of the amp driving the LRSs - but ... ... - G Squared 05:36:17 02/08/21 (13)
- RE: As ABliss posted ... - andyr 00:11:26 02/09/21 (8)
- Just ordered a set. - G Squared 12:22:35 02/09/21 (1)
- RE: "I will let you know how it works out." ... - andyr 16:28:04 02/09/21 (0)
- RE: As ABliss posted ... - Stephen 300 06:48:19 02/09/21 (2)
- RE: As ABliss posted ... - rivervalley817 13:35:27 02/09/21 (0)
- RE: Aaah, that's sad if true. nt - andyr 12:07:10 02/09/21 (0)
- RE: As ABliss posted ... - G Squared 06:10:24 02/09/21 (2)
- RE: "I use a set of 100HZ in my trunk to roll off my car stereo's tiny rear fill tweeters" ... - andyr 12:06:00 02/09/21 (1)
- RE: "I use a set of 100HZ in my trunk to roll off my car stereo's tiny rear fill tweeters" ... - G Squared 12:25:55 02/09/21 (0)
- RE: Sure - that's the point of putting a HP filter on the input of the amp driving the LRSs - but ... ... - ABliss 19:05:09 02/08/21 (3)
- RE: How do they work? ... - andyr 23:34:20 02/09/21 (2)
- RE: How do they work? ... - Davey 06:39:09 02/10/21 (1)
- RE: Thanks for the explanation. nt - andyr 13:20:40 02/10/21 (0)
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