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#1 |
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diyAudio Member
Join Date: Jun 2003
Location: Montreal
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The short story...
On my last 3 DIY speakers the tweeters sounded harsh every single time. Now I really want to get bright sounding speakers but I dont want them to sound harsh. My question is : is there any of 1st,2nd,3rd order that could help me fighting against harhiness? Any other kind of filter, I want to get some advices... Next driver would be a Peerless 811815 1" DOME TWEETER. can be found herehttp://www.partsexpress.com/pe/pshow...=277-408&DID=7 thanks |
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#2 |
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diyAudio Member
Join Date: Jan 2002
Location: Canberra, Australia
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The Scanspeak d2010 has a reputation as sounding very sweet but it only has an efficiency of 91dB (closer to 88 once it's hooked up to a second order XO).
if you can tolerate the lower efficiency then it's actually a pretty low cost option. hope this helps a little Drew |
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#3 |
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diyAudio Member
Join Date: Jun 2003
Location: Montreal
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thanks a lot
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#4 |
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diyAudio Member
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Guss:
Very often tweeters have sensitivities that are a few decibels higher than the woofer/mids they are crossing over to. This would tend to give a harsh sound. Perhaps an L Pad or some other way to bring down the tweeter output might help?
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#5 |
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diyAudio Member
Join Date: Jun 2003
Location: Montreal
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BUT I ALREADY USE L-PAD! this is why I asked if any order in particular would make my tweeter sounds sweet. As I can't afford scan speak drivers for the moment I'll buy peerless ones.
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#6 |
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diyAudio Member
Join Date: Aug 2002
Location: Close to Oistrakh
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My current commercial speakers are Advanced Acoustic and use the 811815 tweeter. Not harsh at all. I think you will like it.
In my unit, is crossed over with a single 4.7uF and a pad resistor. In my short experience, the first order (if possible) makes a more natural sound, and the harsness comes from the medium range. What price do you have for it? I'm also planning to use it in a Diy speaker I'm building for a friend maybe crossing at 2Khz
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#7 |
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diyAudio Member
Join Date: Jun 2003
Location: Montreal
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I'd say between 40 and 50 $ max. I wont crossover that low just to enjoy my mid/woofer large range. For the crossover, I will use solen caps and coils. What do yo plan Raka?
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#8 |
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diyAudio Member
Join Date: Feb 2003
Location: North London
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I'm going to have to whisper this one as I don't want to start a whole big thing here ...
C37 Alternately, use Bandor 50mm (2") drivers and do away with the tweeter altogether. Bandor Drive Units Steve |
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#9 |
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diyAudio Member
Join Date: Jun 2003
Location: Montreal
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WTH ! Those speakers are damn good !
first - where can i find them ? twice- how much |
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#10 |
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diyAudio Member
Join Date: Jan 2002
Location: Spfld, OR
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I have two recommendations. I have found that really old, lower quality CD players will start sounding harsh before the rest of the sound goes bad, so just to be sure, you might find someone with different components than you have so you can swap them out and make sure you don't have a weak link. The fact that a few different tweeters have had the same undesirable sound is a bit suspicous of something OTHER THAN the tweeters, if you ask me.
I also agree with the other guy's recommendation of using more of a full or partially full-range driver like a 2" or 3" Tang Band. That takes the crossover frequency out of the delicate range of most vocals, and I own the 3" Tang Bands with the neodymium magnet and I can tell you that they are NOT harsh. Smooth as anything I have heard. |
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