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  1. Replies
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    There are 3 schematics for the L65 use your...

    There are 3 schematics for the L65 use your driver load to choose the closest one. They are significantly different. This is a link to L65A and B
    ...
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    What is going on here?? This is a public forum...

    What is going on here?? This is a public forum for people to share their experiences. It is not a format to air personal issues. We have a PM system that's private and of course your own emails....
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    Hello Heather I just saw that tour! Check out...

    Hello Heather

    I just saw that tour! Check out Genesis Revisited and if you have never seen Steve Hackett make a point to do so!! Well worth it his band is arguably better than the original. I saw...
  4. What's your budget?? They are complex networks so...

    What's your budget?? They are complex networks so just the parts costs will not be insignificant. If you decide to build Charge Coupled networks it almost doubles that cost.

    I would keep your...
  5. Inductors have no moving parts so just use the...

    Inductors have no moving parts so just use the originals they are for all intent and purposes indestructible. You will have more issues with the switch

    Rob :)
  6. Hello Is the roll off consistent on all taps??...

    Hello

    Is the roll off consistent on all taps?? It doesn't change from tap to tap?? So the whole coils is 3.85 mH and DCR 1.2 ohms.

    How tightly wound is it?? Just thinking stray capacitance but...
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    Hello Ian You do realize he is going to be...

    Hello Ian

    You do realize he is going to be using an analog active crossover set-up?? All he needs is the horn compensation, attenuation and slope he already has covered.

    Rob :)
  8. Hey take a look free shipping and you can return....

    Hey take a look free shipping and you can return.

    Rob :)




    https://www.jbl.com/labor-day-sale/LSR310S.html?dwvar_LSR310S_color=Black-GLOBAL-Current&cgid=labor-day-sale
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    :Dyeah that's one way to go!

    :Dyeah that's one way to go!
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    If you look at the schematics for that horn/CD...

    If you look at the schematics for that horn/CD combo they are 2.5-5 uF series capacitor and a .4mH shunt to ground as the crossover. I would just start with the series cap and go from there. Here are...
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    Hello Rob You could use the basic layout in...

    Hello Rob


    You could use the basic layout in the 4430 as an example without the mid pad of if you need parametric you could use what I posted here as a starter.

    You might get away with just a...
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    Hello Ian What software are you using for the...

    Hello Ian

    What software are you using for the simulations??

    Rob :)
  13. Thread: 4311 drivers

    by Robh3606
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    Your welcome You can just attach it like a...

    Your welcome

    You can just attach it like a photo. As long as it's not too big.

    Rob :)
  14. Thread: 4311 drivers

    by Robh3606
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    You need to pull down the Discontinued from...

    You need to pull down the Discontinued from Orange Bar Products. There is quite a bit still up there. The system reference charts are hidden somewhere I downloaded them as a large file months ago....
  15. Thread: 4311 drivers

    by Robh3606
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    You can get the pdf's here just do a search or...

    You can get the pdf's here just do a search or let the list come up and scroll.

    Rob :)






    https://jblpro.com/en/discontinued_products
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    Yeah not for the faint of heart, Take a look at...

    Yeah not for the faint of heart, Take a look at page 12! Control Operation.

    Rob :)
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    Not that I am aware of. The voltage drives are...

    Not that I am aware of. The voltage drives are posted so you can use them as a starting point. I go through the compression driver EQ in my Passive Monitor thread. That could help you understand...
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    It is a throatless driver. Look at page 2...

    It is a throatless driver. Look at page 2 crossection you might be able to use it to determine what it might be. Whatever in may be it is a very small angle, questionable if there is one. This...
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    How do you plan on getting the crossover out...

    How do you plan on getting the crossover out without removing the woofer?? The mid is in a sealed sub-enclosure. The whole enclosure is not stuffed. Did you look at what I posted?? L88P L100 4310 and...
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    Hello For starters take out the woofer and...

    Hello

    For starters take out the woofer and find the location of the network. If it is like a 4311 there should be a box where the speaker leads go with a harness to the pot's. I think 4 screws on...
  21. it is stock my drivers have them as well Rob :)

    it is stock my drivers have them as well

    Rob :)
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    If you could find a pair of 2427 they were 2426...

    If you could find a pair of 2427 they were 2426 with a 2" throat. I would drop a pair of 2450's with sl diaphrams on them


    Have fun!

    Rob :)
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    I'm a dinosaur I still believe in Hi-Fi...

    I'm a dinosaur I still believe in Hi-Fi definitely not into euphoric sound. I want what's on the recording and I know my system is correct when every track is different. When I can hear the track to...
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    Mobile Fidelity using Digital Files

    Anyone else see this?? I don't get it there very well may not be an analog master tape been recording in digital since the 80's

    Rob :)

    ...
  25. Yes that's it. I think there is a VLF high pass...

    Yes that's it. I think there is a VLF high pass in there to sharpen the knee and give subsonic protection bellow 20Hz. Can't find any info though.

    Rob:)
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