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  1. Replies
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    Close up of the back-side of binding posts. Looks...

    Close up of the back-side of binding posts. Looks like a 3/8" nut. Taking them out would require you to unsolder the wires. If loose, they should only turn a few times as the wires will wrap around...
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    4425 original crossover

    I was not aware from your posts you actually had a 4425. It seems you do. I would be hesitant to alter the original crossover, especially if you might sell the speakers later. Changing the stock...
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    4412 CC crossover

    Hi Bill,
    Your CC'd capacitors are correct. R4 though, cannot feed all the capacitor pairs. Do you see that you have connected all cap pairs together. It would sound bad and could damage the tweeter....
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    Turrets would be useful for a crossover layout....

    Turrets would be useful for a crossover layout. The kind that are hallow inside would allow you to run the bigger gauge wire to the turrets on the back of your board. The layout would less cluttered...
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    7,956

    4425 Layout

    Layout:
    Good, R1,R2 will be fixed. One thing to ask; are you making a PCB layout with etched copper? Or just running wire on a piece of fiberglass or wood? If you are running wire, use at least 16ga...
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    4025 Layout error

    R1 and R2 are not connected right. Node E4 should run through to E5. You have R1,R2 in series with E4 and E5, which is incorrect. C1,C2,R1,R2 should all be in parallel (All parts across E4,E5 to...
  7. 250ti crossover

    250ti crossover
  8. What a 250ti crossover looks like

    I helped a bit with this upgrade, but he really had the work done before I made contact. Most of my help was with some pictures of an original 250ti crossover as I had at one time. About 9 years ago,...
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    Sorry, I forgot to reply. The array 1400 has...

    Sorry, I forgot to reply. The array 1400 has something like 1-1/2" to 2" vertical distance bottom of horn to top of woofer. Someone measured it here on the forum, but I can't find it. Mine is almost...
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    Hi Warren, My crossovers were divided into 3...

    Hi Warren,

    My crossovers were divided into 3 sections; LF mounted in bottom backside of cabinet, MF below the 435al and HF below the 045ti. They are CC'd, battery mounted on the back next to the...
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    From my venture into curved surfaces: Last year...

    From my venture into curved surfaces:
    Last year I built a 1400 array with a 4.2cu ft volume and slightly curved sides. I too was vexed with how to curve plywood. I tried 1/2" bendy plywood, but it...
  12. Even though building a 1400 array clone is work,...

    Even though building a 1400 array clone is work, it is also one of the more fun speaker builds I have done. Purchased the SAM1HF and LE14H-3 from Widget last summer.

    I made the cab volume 4.2 cu...
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    Greetings! Nice to see someone wanting to build...

    Greetings!
    Nice to see someone wanting to build the L300, it will be fun. I have a pair of LE85 drivers, L92 long horns and L91 lens as the L300 requires. I purchased these myself in 1976, so I am...
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    I not much of a person for posting, but I will...

    I not much of a person for posting, but I will show you how I divided up the cc'd xover for a L250>250Ti conversion I did last year.

    The LF parts and the 40uf & 2mH input part of the MF section...
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