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Thread: Anatomy Of A Northridge

  1. #1
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    Arrow Anatomy Of A Northridge

    Thanks to a thread over at AVS, I got the lowdown on close out prices on Northridge E Series speakers at Fry's Electronics. While there to pick up some electronics parts and to audition the Studio L Series and Venue Series, I couldn't resist the allure of $142.40 of for a pair E 50s, marked down from $499 retail.

    I thought, if nothing else, they'd make a good dissection project. Inasmuch as most of us would not have the chance to see inside, here's a look at the complete package.

    Accepting the probability of some gratuitous hooting and howling, I'll show all about these consumer speakers, with no editorializing. Here they are, exposed.

    Well, first, not exposed. The box:
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  2. #2
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    Packaging

    The speakers are well protected with a solid, close fitting top and bottom insert. The enclosures themselves are also protected by soft foam "cloth" top and bottom. The grilles fit in their own slot.
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    A look from the back

    Here's the back of the E 50. Two sets of binding posts for bi-wire or bi-amp use. There's the typical JBL model sticker.
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    Mirrored Pairs

    From the front, here are the mirror image fronts.
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  5. #5
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    Grilles Rear View

    From the back, the grilles have quite a matrix.
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  6. #6
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    Grilles from the front

    Simple black cloth and a shiny JBL badge make up the front. Too much flash, and the "JBL" is washed out.
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    Drivers: Ti tweeter and EOS WaveGuide

    From the front, the Ti tweeter and EOS WaveGuide. The WaveGuide material is hard to determine.
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    Drivers: Ti tweeter and EOS WaveGuide 2

    From the rear, it's clear the WaveGuide is plastic. The tweeter is held in place by a plastic strap and two screws.
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    Drivers: Ti tweeter and EOS WaveGuide 3

    With the strap removed, the driver's magnet is revealed.
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  10. #10
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    Drivers: Midrange

    Here's the midrange as it appears from the front.
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    Drivers: Midrange 2

    The midrange driver actually has a trim ring around it. Once the ring is removed, the driver's front edge is quite bare.
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    Drivers: Midrange 3

    Pulled from the enclosure, the rather large magnet is shielded. The frame is stamped. The trim ring and the hex screws are nearby.
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    Drivers: Midrange 4

    Using the trim ring as a stand, here's a side view. The back of the cone is white.
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    Drivers: Woofer

    Here's the 8" woofer from the front.
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  15. #15
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    Drivers: Woofer 2

    The woofer's magnet is hefty, and the frame is stamped. The trim ring is a part of the woofer frame.
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