tigerwoodKhorns Posted April 14, 2021 Share Posted April 14, 2021 51 minutes ago, RandyH000 said: and do not use Lpads in Klipsch Speakers - If you put L Pads in Klipsch speakers they are no longer Klipsch speakers. 1 Quote Link to comment Share on other sites More sharing options...
Dave A Posted April 14, 2021 Share Posted April 14, 2021 I use them only on one driver. Like on the KPT 904 to tame the 510 horn + DE75 down with the factory crossovers as they were to strident otherwise. There might be better ways to do this but it is all I know to do and I am not a crossover expert to know what to alter to balance the HF to the LF on a two way like the 904. 1 Quote Link to comment Share on other sites More sharing options...
Dave A Posted April 14, 2021 Share Posted April 14, 2021 8 hours ago, Edgar said: Yes, the sound is similar to using the wrong color zip tie. 😈 I have thought about experimenting with different colors of paint on crossover boards and adding various powdered metals to the paint. 2 Quote Link to comment Share on other sites More sharing options...
Bacek Posted April 15, 2021 Share Posted April 15, 2021 8 hours ago, tigerwoodKhorns said: If you put L Pads in Klipsch speakers they are no longer Klipsch speakers. Does it mean that Klipsch does not produce Klipsch speakers anymore? Or they again use autoformerts? Anyway from Chief bonehead comments on other topic, if you put anything into a Klipsch speakers they are no longer Klipsch speakers (key word is you, not LPAD, and I get this point of view). But I have trouble following this thread. What was actual question that started this topic? I miss some context in here. Who advises L Pads and for what purposes and where and in contrast to what? 1 Quote Link to comment Share on other sites More sharing options...
henry4841 Posted April 15, 2021 Share Posted April 15, 2021 I think it would be better if one does not like the sound they are hearing with their Klipsch speaker to use L-pads to tame a high frequency they cannot live with then to get rid of their Klipsch speakers. It is a cheap solution that solves the problem that improves the sound to the owners ear in their room. No crossover is a one size fits all in any speaker. Those that play with active crossover tailoring the sound to fit their taste can attest to this. 3 Quote Link to comment Share on other sites More sharing options...
Dave A Posted April 16, 2021 Share Posted April 16, 2021 14 hours ago, henry4841 said: I think it would be better if one does not like the sound they are hearing with their Klipsch speaker to use L-pads to tame a high frequency they cannot live with then to get rid of their Klipsch speakers. It is a cheap solution that solves the problem that improves the sound to the owners ear in their room. No crossover is a one size fits all in any speaker. Those that play with active crossover tailoring the sound to fit their taste can attest to this. Yes and as our hearing degrades over time it is nice to be able to to boost HF and be able to hear certain sounds again. 2 Quote Link to comment Share on other sites More sharing options...
billybob Posted April 16, 2021 Share Posted April 16, 2021 On 4/15/2021 at 4:16 AM, Bacek said: But I have trouble following this thread. What was actual question that started this topic? I miss some context in here. Who advises L Pads and for what purposes and where and in contrast to what? And who is against their use and why? Thanks! Quote Link to comment Share on other sites More sharing options...
Bacek Posted April 16, 2021 Share Posted April 16, 2021 16 minutes ago, billybob said: And who is against their use and why? Thanks! This we actually know. Check PWK article on previous page. Although I never understood this measurement effect and if it's something general or rather it was artifact of that particular test circuit. 1 Quote Link to comment Share on other sites More sharing options...
CECAA850 Posted April 16, 2021 Share Posted April 16, 2021 21 minutes ago, billybob said: And who is against their use and why? Thanks! I'd like to know if anyone has heard anything detrimental from using them as well. 1 Quote Link to comment Share on other sites More sharing options...
Klipsch Employees Chief bonehead Posted April 16, 2021 Author Klipsch Employees Share Posted April 16, 2021 Did anyone read Mr K’s article? 2 Quote Link to comment Share on other sites More sharing options...
billybob Posted April 16, 2021 Share Posted April 16, 2021 Ahh, therein may be an answer. Cool... Quote Link to comment Share on other sites More sharing options...
Bacek Posted April 16, 2021 Share Posted April 16, 2021 . Quote Link to comment Share on other sites More sharing options...
tigerwoodKhorns Posted April 16, 2021 Share Posted April 16, 2021 2 hours ago, Chief bonehead said: Did anyone read Mr K’s article? I remember my teacher in middle school saying "when all else fails, read the directions" So it looks like you can design a network using L Pads where it would be OK because you can account for the error in your design where if we just put one in, we will introduce this error and have no way of designing around it. That said, if someone is not willing to part with $80 for a set of decent transformers and is thinking about 'stacking' two together, L Pads are probably their best option (other than just leaving everything alone). 1 Quote Link to comment Share on other sites More sharing options...
billybob Posted April 16, 2021 Share Posted April 16, 2021 A simple example in the video world w/audio combined was some early satellite receivers for home that used 70 mhz as the IF frequency with too much gain at frontend of unit. Without an attenuator pad in line, video and audio were overdriven. Too much gain produced by too short of a coaxial run. Necessary in that case. Quote Link to comment Share on other sites More sharing options...
Edgar Posted April 16, 2021 Share Posted April 16, 2021 3 hours ago, Chief bonehead said: Did anyone read Mr K’s article? Yes. And I'd like to see how the peaks and troughs in the response compare with the peaks and troughs in the driver/horn impedance magnitude. The resistor values in an L-pad are computed for a specified load impedance. If that load impedance changes, so does the attenuation in the L-pad. 1 Quote Link to comment Share on other sites More sharing options...
babadono Posted April 16, 2021 Share Posted April 16, 2021 2 hours ago, tigerwoodKhorns said: I remember my teacher in middle school saying "when all else fails, read the directions" How's 'bout RTFM?.....Read the F'in' manual Quote Link to comment Share on other sites More sharing options...
babadono Posted April 16, 2021 Share Posted April 16, 2021 Will there be a test later? Quote Link to comment Share on other sites More sharing options...
Klipsch Employees Chief bonehead Posted April 17, 2021 Author Klipsch Employees Share Posted April 17, 2021 If the impedance is consistent, then an l pad will work because it will attenuate the freq response evenly. If the impedance if not consistent, then the lpad will not attenuate the freq response evenly. 2 1 Quote Link to comment Share on other sites More sharing options...
geoff. Posted April 17, 2021 Share Posted April 17, 2021 ...thus endeth the lesson Quote Link to comment Share on other sites More sharing options...
jimjimbo Posted April 17, 2021 Share Posted April 17, 2021 There you go. Quote Link to comment Share on other sites More sharing options...
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