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Thread: My 4520 project

  1. #31
    Senior Member Eaulive's Avatar
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    Another weekend without working on this project.
    Because I have another project

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  2. #32
    Senior Member maxwedge's Avatar
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    So is that so you don't have to stop to relive your self? Good idea after a long day of beer drinkin!

  3. #33
    Senior Member Eaulive's Avatar
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    Quote Originally Posted by maxwedge View Post
    So is that so you don't have to stop to relive your self? Good idea after a long day of beer drinkin!
    or how Canadian winter can take a toll on automobiles
    This is very common on vehicles 15 years old or more, fortunately we became experts in fixing this, the goal here is to avoid inspection, not to have a new truck

  4. #34
    Senior Member maxwedge's Avatar
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    Quote Originally Posted by Eaulive View Post
    or how Canadian winter can take a toll on automobiles
    This is very common on vehicles 15 years old or more, fortunately we became experts in fixing this, the goal here is to avoid inspection, not to have a new truck
    Glad I live in California right now, with all that bad weather back east right now.

  5. #35
    Moderator hjames's Avatar
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    Quote Originally Posted by maxwedge View Post
    Glad I live in California right now, with all that bad weather back east right now.
    I dunno about bad weather, here in the DC area, it was nice all week,
    with just a bit of spring rains today ...
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  6. #36
    Senior Member Eaulive's Avatar
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    Quote Originally Posted by maxwedge View Post
    Glad I live in California right now
    I don't, too many vehicle inspections over there

  7. #37
    Senior Member maxwedge's Avatar
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    Quote Originally Posted by hjames View Post
    I dunno about bad weather, here in the DC area, it was nice all week,
    with just a bit of spring rains today ...
    That's good to hear. I'll be going through your woods in the last week of July on vacation.

    Quote Originally Posted by Eaulive View Post
    I don't, too many vehicle inspections over there
    Yes it does suck for the one's who take care of their vehicles.
    I even have to have my Dodge diesel smog checked now. They just do a smoke check and visual. I'll give them smoke!

  8. #38
    Senior Member Eaulive's Avatar
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    Ok, I'm out to make the first test with those babies.
    Today is the first day of the rest of their lives

    I hope my friend's neighbours love loud music... I'll keep you posted.

  9. #39
    Senior Member maxwedge's Avatar
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    Break any windows yet??

  10. #40
    Senior Member Eaulive's Avatar
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    Well, just came back.
    Since they're in my friend's garage and he has a tight schedule, I just wanted to drive them.
    Didn't have time to make any measurements and obviously I didn't make any adjustments, just rough crossover points and that's it.
    No EQing, no correction. The 2426s need to be tamed and the midbass horn has something I don't like but for today it was only juice

    It didn't last for long, neighbours came out running asking how long this was going to last.

    I know I got the SPL though, we measured 115dB SPL (C weighting) at 10meters with a pink noise.

    This translates to 135dB at 1m, litterally ear splitting.

    I'm gonna have to find a far away place to be able to calibrate this properly

    4520 with freshly reconed 2225H on E140 frames, powered with 2 Crown XS 700, 450W@8ohms in each driver.
    DIY midbass horm with a B&C 12PE32 powered by a Crown XS500, 400W@8ohm in each driver
    Four 2426J on 2370 horns powered by a Crown XS500, 400W@8ohm in each pair (200W in each driver)

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  11. #41
    Senior Member 1audiohack's Avatar
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    Kick ass!!! Just looks like fun!
    If we knew what the hell we were doing, we wouldn't call it research would we.

  12. #42
    Senior Member maxwedge's Avatar
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    Thumbs up Yowzer!!

    Friggin' awesome!

  13. #43
    Moderator hjames's Avatar
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    ZOMG - that looks like too much fun -
    they'd kill us around here if I started to play with something like that!

    Quote Originally Posted by Eaulive View Post
    Well, just came back.
    Since they're in my friend's garage and he has a tight schedule, I just wanted to drive them.

    It didn't last for long, neighbours came out running asking how long this was going to last.

    I know I got the SPL though, we measured 115dB SPL (C weighting) at 10meters with a pink noise.

    This translates to 135dB at 1m, literally ear splitting.

    I'm gonna have to find a far away place to be able to calibrate this properly
    2ch: WiiM Pro; Topping E30 II DAC; Oppo, Acurus RL-11, Acurus A200, JBL Dynamics Project - Offline: L212-TwinStack, VonSchweikert VR-4
    7: TIVO, Oppo BDP103D, B&K, 2pr UREI 809A, TF600, JBL B460

  14. #44
    Senior Member Lee in Montreal's Avatar
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    Hey Olivier.

    Time to spend $50 on casters now. It might save you $500 in chiropractor later

  15. #45
    Senior Member Eaulive's Avatar
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    New avatar for the cause

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