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hanksjim1

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Posts posted by hanksjim1

  1. On a lark, I just picked up a pair of JBL Cabaret 4628b for $60.

     

    I was looking to liberate the 2404h-1 (butt cheek) tweeters for another project.

     

    I hooked them up to test them out and was amazed by the sound!

     

    They don't go much below 50 HZ, but they give my  LaScalas a run for the money and dare I say even a bit better in the stereo imaging department.

     

    Representative pic:

     

     

    4628b.jpg

  2. General consensus seems to be the best were vintage drivers (note: both designed for older 6" x 13" :motor board slot):

     

    #1: Stephens Trusonic 103LX2 - rare and high $$$ if you can find one

    #2: Electro Voice 15WK - Better availability ~$300. seems to be the market price currently for a decent example

     

    Here's a link to some testing you may be interested in:

     

     

     

    Trusonic xover pic.jpg

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  3. I have  no personal experience with them,  but some have suggested replacing the Chinese 6N2 with the Russian military equivalent 6N2P-ev with good results.  Widely available on eBay or  other sources for modest $.

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  4. Because that is what they were designed to have, including the original crossovers...I  wouldn't swap the horn unless you are thinking about some major crossover rework or an active setup...just my 2 cents (I actually have a 511B/902-8b setup I am looking to fool around with as well on my LaScalas)

  5. You should check with Great Plains...I believe you can replace the diaphragm in the 909 with the ones for the ferrite 902 model (8 or 16 ohm available).

     

    The 902-8b was used by Altec for many home and studio monitoring audio applications where power handling is not as important.

     

    Some here have crossed it over at 500 Hz and below (you may want to search the site for "511B").

     

    I have seen some suggestions that crossing at 600 hz and above is better.

     

    The 902 will easily reach 6K (decent to 12K or above).

     

    That being said, if had a set of original Imperials, I would sell the 511b combo (quick) and buy these (assuming yours don't have the combined mid tweeter unit):

     

    https://www.ebay.com/itm/Jensen-RP-201-Pair-Drivers-and-Horns-Vintage-matching-and-working-great/223748458152?hash=item34187286a8:g:r8sAAOSw6vBdzFI0

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