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Thread: JBL l212

  1. #1
    Junior Member
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    Sep 2012
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    Lillesrtøm, Norway
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    JBL l212

    Hi
    What shall I use to polish the woodwork on the speakers?
    And what is the best way to connect the speakers to the amp.?
    I,ve put the R and L to the A terminal and the sub to the B terminal.
    Tor

  2. #2
    Member
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    Dec 2009
    Location
    Houston, Tx.
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    This was used as on the walnut finishes by JBL: 3/4 boiled linseed cut with 1/4 gum turpentine.

    I've personally only used boiled linseed to protect and feed my finish.


    Your speaker connection looks fine. The sub was designed to connect in parallel to the main speakers.

    On every amp. that I've seen with A/B terminals, they connect in parallel internally.

  3. #3
    Senior Member rdgrimes's Avatar
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    Aug 2008
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    New Mexico, USA
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    The Ultrabass has an extremely high impedance and is intended to be run in parallel with the satellites. You can use the connections on the Ultrabass to feed the satellites, or run them separately from the amp. No need to consider using A-B connections, just use the one.

    Service manual:
    http://www.jbl.com/resources/Brands/...al/L212 sm.pdf

    Owner's manual

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