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  1. Thread: Capacitor,s

    by Mr. Widget
    Replies
    4
    Views
    156

    Do you want to replace the original crossover...

    Do you want to replace the original crossover with the same design or do you want to follow one of the many upgrade paths?

    For the original you simply need one 3uF and one 8uF cap per speaker. The...
  2. Based on your goals, I think you are right and...

    Based on your goals, I think you are right and the 4343 is likely your best bet. If you can’t or don’t want to spend big bucks on a pair of carefully maintained or painstakingly restored 4343s, you...
  3. The JBL 5235 active crossover is not a direct...

    The JBL 5235 active crossover is not a direct replacement for the internal passive network that carefully contours the output of the HF horn. The 5235 active crossover may have a contour that...
  4. There are a number of Forum Members with...

    There are a number of Forum Members with significant experience with 4435s and several 4435 experts here. Unfortunately, I am not one of them.


    Regarding the terminal board, looking at the JBL...
  5. Replies
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    446,553

    If you heat them, you may be able to pour them...

    If you heat them, you may be able to pour them in.

    What are those speakers?


    Widget
  6. Thread: 2213 issues

    by Mr. Widget
    Replies
    6
    Views
    246

    That link is very helpful when taking on the task...

    That link is very helpful when taking on the task of replacing aged foam surrounds, but the 4312A uses the 2213H woofer with a cloth surround. Most cloth surrounds are notoriously sticky and will...
  7. Replies
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    710

    Beautiful! Interesting collection. What are the...

    Beautiful!
    Interesting collection. What are the other speakers?


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  8. Replies
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    292

    Welcome to the Lansing Heritage Forum. ...

    Welcome to the Lansing Heritage Forum.

    Regarding "what you have", if the woofer is the 130A, then you must have the 001 system which comprises of that woofer, a 1200Hz crossover and a LE175DHL....
  9. Not sure what SPLs you’ll require or how large...

    Not sure what SPLs you’ll require or how large the space is, but you should be able to trust JBL Pro’s specifications.

    As for mounting, my room will be a library that also serves as a part time...
  10. We have several members who are either...

    We have several members who are either professional reconers or are advanced amateurs. With luck one will pop in to answer your questions. Unfortunately they all seem to stop by rather infrequently...
  11. Managing the power cables can be difficult, but...

    Managing the power cables can be difficult, but depending on the room it may not be an issue.

    I am in the very preliminary stages of planning my next HT. Right now I am thinking of going with 3...
  12. Replies
    4
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    199

    Working from a really good photo probably won't...

    Working from a really good photo probably won't really get you there either.

    I think the only way you will be able to really nail it is to find a chuck of crumbling original L200 Agean Blue...
  13. Replies
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    281

    I wouldn't worry about the labels too much. JBL...

    I wouldn't worry about the labels too much. JBL has a history of screwy product labels.
    That said, this should be easy enough to verify. If you put a DCR meter on both, they will most likely both...
  14. Thread: Le14h

    by Mr. Widget
    Replies
    7
    Views
    368

    My comments are purely subjective. After...

    My comments are purely subjective. After experimenting with 2235Hs in numerous systems and listening to them in the 4430 monitor, I discovered that I am not a fan of the 2235H. While it seems to do...
  15. Thread: 4344 Clon.

    by Mr. Widget
    Replies
    6
    Views
    399

    The 2225H will work, however you will need to...

    The 2225H will work, however you will need to change the cabinet tuning (the ports) and tweak the crossover as the 2225H is more sensitive. Also, be prepared to have very little bass below 40Hz.

    ...
  16. Replies
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    1,617

    That’s quite a transformation, congratulations! ...

    That’s quite a transformation, congratulations!

    I suggest you get the lenses. The Kenrick Sound reproduction lenses are excellent quality and the H91 horns were never meant to be used without an...
  17. Replies
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    281

    Quite possibly 32 ohm units as they were...

    Quite possibly 32 ohm units as they were typically deployed in pairs to give a 16 ohm load. The woofers would also have an untreated paper surround... which equates to fragile.

    The DIY work looks...
  18. Thread: Le14h

    by Mr. Widget
    Replies
    7
    Views
    368

    I lived with the LE14H-3 in the 1400 Arrays for...

    I lived with the LE14H-3 in the 1400 Arrays for quite a few years. They are actually fairly different than the 2235H. I believe the motor is the same, but relative to it's cone area the LE14H-3 has a...
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    I have found shallow boxes to allow more midrange...

    I have found shallow boxes to allow more midrange coloration to reflect back through the LF driver's cone. You may want to explore internal diffusers or Sonex foam on the back wall of the enclosure...
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    Interesting project. Thanks for sharing and also...

    Interesting project. Thanks for sharing and also for the interesting links!


    Widget
  21. Replies
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    1,617

    Yeah, but luckily you are in Nevada so no need to...

    Yeah, but luckily you are in Nevada so no need to worry. It is only a carcinogen in CA. :D

    Seriously, I doubt the particles are small enough to be a carcinogen, but I bet it is still quite...
  22. Replies
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    Doubt it. It may fit though. Widget

    Doubt it. It may fit though.


    Widget
  23. I don't use an SPL meter, so no, I do not use A...

    I don't use an SPL meter, so no, I do not use A weighting. If you do the result will be far too much bass, since the bass is significantly rolled off with an A weighting, C is closer to flat.

    I...
  24. There are probably a million ways to get there. I...

    There are probably a million ways to get there. I start out by getting the levels close to right sounding by ear, then I bring out the test gear and get it as close to flat as possible with a slight...
  25. Cabinet vibrations can be reduced significantly...

    Cabinet vibrations can be reduced significantly with rigid construction and added mass to absorb the excess energy. Westlake uses massive amounts of acoustic damping goop and their very large...
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