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    Thatís not good for the environment. Another...

    Thatís not good for the environment.

    Another tree chopped down so you can get it right and then another when your serious. Get real. Where will all the squirrels and the bears go? Even chopping...
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    Remember to account for the volume occupied by...

    Remember to account for the volume occupied by the port inside the enclosure.

    You may have accounted for the following. But l will put the following out there for the uninitiated.

    I have not...
  3. This is where it all started. Whether your...

    This is where it all started.

    Whether your already a charge coupled crossover user or just lurking there is some interesting information in these threads.
    ...
  4. Hi Vinylgroo, Over on Diyaudio.com there is an...

    Hi Vinylgroo,

    Over on Diyaudio.com there is an active crossover kit. If you are diy oriented with electronics assembly this kit may be of interest to you.
    ...
  5. Here is a link to a 4343 system used a Jazz bar...

    Here is a link to a 4343 system used a Jazz bar in Tokyo l visited in 2008.

    If you scroll through the pages there are two Aleph 2 class A SE mono blocks running these 4343s. It was an impressive...
  6. The Parasound A21 is a very good amp. I use...

    The Parasound A21 is a very good amp. I use Parasound.

    Question 1 answer :
    What l would say is ďultimatelyĒ yes it is. But thatís not where you are at right now.


    My recommendation :
    Build...
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    Those reduced image sizes are okay for simple...

    Those reduced image sizes are okay for simple visual images.

    But for sharing detailed technical graphical information this breakdown poses a limitation on the future the way people communicate.
    ...
  8. Are you building the crossover in or outside the...

    Are you building the crossover in or outside the enclosure?

    Given the presentation of those pcbs l personal would put a clear perspex sheet on top of an external crossover housing and show it off...
  9. https://studiosixdigital.com/audiotools-modules-2/...

    https://studiosixdigital.com/audiotools-modules-2/

    There are some useful tools here. Like all things diy the proviso is the user has an understanding of what the tools are, how to use the tools,...
  10. I re read this thread again and one thing that...

    I re read this thread again and one thing that stood out was using the 5234A solid state monolith chip active crossover with valve based components. Read on.

    In theory you would think it will...
  11. Hi Al, Thank you for outlining your journey. I...

    Hi Al,

    Thank you for outlining your journey. I had similar impressions with the 2397 stop my 4345 clones.

    Bring up the condition of compression drivers is a good point when trying different...
  12. Haaa, Please donít make me think. Letís...

    Haaa,

    Please donít make me think.

    Letís see.
    According to a sketched diy plan of the 2397 the horn on Google the horn protrudes 6.87 inches behind zee baffle.
    Then the 2428 adapter 4 inches...
  13. I donít know. Itís like all these things of it...

    I donít know. Itís like all these things of it measures the same it will sound the same. Just like amplifiers. Blah blah 😕
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    That front page link has the CSD logo. So that...

    That front page link has the CSD logo. So that must be out of data.

    Whoís funding the servers? Who now owns the site?

    It is frustrating when something like this is outside your control...
  15. My other earlier post on the myths of active...

    My other earlier post on the myths of active crossovers is to highlight what you can and can’t change.

    The signal processing capability of a dsp crossover might look impressive and make you...
  16. About 15 years ago l got involved in active...

    About 15 years ago l got involved in active crossover and built a diy clone of the Pass Labs XVR1.

    What l soon discovered and then validated with an LHS forum member in CA is that most pro and...
  17. I Matt, Thanks for your comments, A thread...

    I Matt,

    Thanks for your comments,

    A thread without something visual is a bit bland. I plan to put together a case study that illustrates the key points l made in my lengthy posts.

    One thing...
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    Hi Rob, In your post concerning Pots are you...

    Hi Rob,

    In your post concerning Pots are you referring to L pads in reference to the L250.

    On your active crossovers the cracking of a pot can be a sign that a dc leakage is a cross an...
  19. Whatís possible The loudspeaker engineer-...

    Whatís possible

    The loudspeaker engineer- designer has no control over the issues outlined above. But adjustments can be introduced in the loudspeaker system to reduce the apparent intensity of...
  20. Myths de bunked Sometimes itís about reaching...

    Myths de bunked

    Sometimes itís about reaching an understanding of whatís possible and to de bunking some of the myths and over glorifications that seem to float around cyberspace about active...
  21. The key benefits of active crossover networks ...

    The key benefits of active crossover networks

    Depending on exactly what you think your trying to achieve there can be merit in using an active crossover network. If you have or can obtain all...
  22. If you want to try a dsp time alignment first...

    If you want to try a dsp time alignment first obtain a very close match to a 4th order Linkwitz crossover characteristic for the woofer and the horn at identical crossover frequencies. Then with the...
  23. The work around In the absence of complete...

    The work around

    In the absence of complete information on the crossover characteristics the work around is to obtain detailed frequency response measurements of the passive system and that of the...
  24. (2) Obtaining complete and accurate information...

    (2) Obtaining complete and accurate information to make your bi amp or fully active JBL system work the way it should.

    Letís first look at the pre determined JBL passive loudspeaker systems
    ...
  25. Everyone is at a unique station in life. ...

    Everyone is at a unique station in life.

    Reading on the forums about how someone was able to set up their bi amp or active system is only really valid from their own perspective.

    In this post...
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