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  1. #1
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    2231A or 2235H in 4333B

    I have the 4333B Monitors.There is a 2235H inside.Is it better to put 2231A with Alnico in or is the Sound with 2235H better?Thanks for Info!

  2. #2
    Super Moderator Hofmannhp's Avatar
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    2231 2235

    Quote Originally Posted by Peter Becker
    I have the 4333B Monitors.There is a 2235H inside.Is it better to put 2231A with Alnico in or is the Sound with 2235H better?Thanks for Info!
    Hi Peter,

    the 2231 is the original choice. The difference between the 2231 and the 2235 is an additional mass ring with about 36g glued under the dust cap in the 2231.
    So the fres of the 2231 is about 16Hz against 20 Hz with the 2235.

    HP
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    Senior Member GordonW's Avatar
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    Quote Originally Posted by Hofmannhp
    Hi Peter,

    the 2231 is the original choice. The difference between the 2231 and the 2235 is an additional mass ring with about 36g glued under the dust cap in the 2231.
    So the fres of the 2231 is about 16Hz against 20 Hz with the 2235.

    HP
    The difference in resonance of a 2231 vs. a 2235 is not because of the mass... they have pretty much identical moving mass. It's because of the "softer" spider (in reconer's parlance, it's a 'B' stiffness, on a scale of 'A being softest and 'E' being stiffest) opposed to that of the 2235 (which uses a "C" stiffness spider).

    With the longer voice coil and more "controlled" suspension, the 2235 definitely has the edge in distortion and output capacity on the bottom end, with about the same frequency response in its upper range as the 2231. Definitely an upgrade... unless you're SPECIFICALLY going for "period accuracy"... or are a "collector", instead of a "music listener"...

    Regards,
    Gordon.

  4. #4
    Senior Member 57BELAIRE's Avatar
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    136h

    Is the 136H the consumer version of the 2235 (2235H)?

    RBH

  5. #5
    JBL Dog
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    Quote Originally Posted by 57BELAIRE
    Is the 136H the consumer version of the 2235 (2235H)?

    RBH
    The 136H is the consumer version of the 2231H. I don't believe there is a consumer version of the 2235H.

  6. #6
    Administrator Mr. Widget's Avatar
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    Quote Originally Posted by JBL Dog
    I don't believe there is a consumer version of the 2235H.
    Sure there was... it was used in the B380. It was designated 2235H.

    Widget

  7. #7
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    I just changed my 2231's with 2235 cone kits over to a ferrite 2235H's (donated by my 4430's) in my S-22-2's. In Sterophile parlance, they just sound better, it could be because of lower distortion, I don't know. Note this is based on having them running 100 - 800 Hz. 800 Hz being the same as the cut-off in your 4333B's.

  8. #8
    Alex Lancaster
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    The 136H is the home version of the 2231H, same goes for "A"´s, (AlNiCo´s) .The 2231 and the 35 have the mass ring, the 2234, (like in 4435's) does not but it is otherwise the same.

    I would use the 2235H´s.

  9. #9
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    Here's a good read on the subject !

    - Personally, I say be happy that you already have ferrite magnets .

    - Also, the 2235 has greater Xmax ( cone excursion capability ) than the 2231, which is way more important than magnet type ( IMO ).


  10. #10
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    Quote Originally Posted by Peter Becker
    I have the 4333B Monitors.There is a 2235H inside.Is it better to put 2231A with Alnico
    Oh hell no!

    If you've got the 2235H already then you're .


    BTW - The 124, 2203, 136, 2231 and 2235 use the same MCR.

  11. #11
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    Quote Originally Posted by Peter Becker
    I have the 4333B Monitors.There is a 2235H inside.Is it better to put 2231A with Alnico in or is the Sound with 2235H better?Thanks for Info!
    I've replaced the 2231A's with 2235H's in a pair of 4343's. I'm REAL happy with the results!



    I will keep the OEM 2231A's should I decide to sell the 4343's down the road.

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