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  1. D

    Can music save your mortal soul?

    It's almost as if post #23 foreshadowed post #25. Eerie.
  2. D

    Amp - Subwoofer - speaker recommendations

    Now retired from the marine audio business for over 3 years, I did have intense experience in marine audio for 15 years and in mobile electronics for over 3&1/2 decades. Being from the south, I have seen countless amplifiers that went into thermal protection as self-preservation during...
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    Amp - Subwoofer - speaker recommendations

    You're correct. It's the Polk Audio MM651 (non 'UM') that is normally a 2.7 ohm speaker. That's the nominal impedance. You will often find that the DCR is actually lower. Two in parallel would be a 1.35 ohm nominal impedance. Nominal is the average. At some frequencies the impedance dips lower...
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    Amp - Subwoofer - speaker recommendations

    So here are a few things to consider. When you half the impedance load, the amplifier produces more power but it does not come close to doubling the power, even though Ohm's Law states that it should. That's mostly a product of the amplifier's power supply and it's fixed limitations. The DC to...
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    For the sound system guru's

    If you want a system that is musically balanced with plenty of low end extension, you can do this with four coaxials and a single subwoofer within the cockpit (excluding the bow). This is a proven system in Yamahas. Past that, the right layout, execution and installation details will make all...
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    For the sound system guru's

    Quote from Mainah: ["Another method would be to build the box such that it matches up with a hole in the fiberglass perfectly then mount it through both the fiberglass and box secured behind it."] ^^^ More on this. This is the best of everything. Acoustic suspension (small sealed airtight...
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    Can music save your mortal soul?

    Well, I think the real question is, If you can still remember how that music used to make you smile, and that if you could only make those people dance, maybe they'd be happy for a while?
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    For the sound system guru's

    As mentioned above, you definitely want to stay clear of all things labeled Pyle or Boss. These are bottom feeders, won't come remotely close to spec, and don't perform well at any level. Kicker is a decent brand. Kicker has some reasonable Class D amplifiers that compete well with the...
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    installing wetsounds HTAS10

    Most don't purchase a subwoofer before first knowing exactly where the subwoofer will be located. But since you already have the sub (and it is a good unit).... From a quality of bass standpoint, the best possible scenario will be in a location that provides direct-radiation into the cockpit...
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    Bragging

    I always pull the boat into the slip or back the trailer into the garage after dark when there are no witnesses.
  11. D

    LED strips with glare shield?

    Lots of custom bezels, guards and spacers for LEDs here: http://store.earmarkcaraudio.com/Xcart/home.php?cat=292
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    Replacement plug and play speakers for a 2010 AR240

    Amar, The Kickers speakers are definitely good....independent of the review. This topic has come up before. The TopTenReviews is a total scam. What idiot would use a 20 Hz sine wave on a 6.5" coaxial speaker. What anechoic chamber is rated down to 20 Hz. Besides being total B.S. these people...
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    Chap 243vrx stereo speaker issues

    The hardest part is just reading through my post. There would only be three locations to look for a physical disconnect. Back of HU. Amplifier. The speaker closest to the amplifier. So grab a flashlight and a Phillips #2 to R&R the speaker. If you're lucky the disconnect is obvious and you spot...
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    Chap 243vrx stereo speaker issues

    It's always user's error. Hopefully someone who owns that boat and is more familiar with the factory audio option or has done some aftermarket will chime in. Until then.... So look what is common to the speakers and what is not. Those two speakers are likely on the same HU or external...
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    Chap 243vrx stereo speaker issues

    I wouldn't tampa with them while they're under warranty.
  16. D

    Finally finished stereo upgrade on my 2015 242 Limited S

    Tuning is complex. The more you know about audio the more elements you tend to include in the tuning process. So for some it's a one paragraph procedure and for others it's a small book. Odin with Earmark Marine is the ultimate expert on this subject. He will take every system and every DIY...
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    On board battery charger turning on my amps?

    There is always a reason. There are no gremlins. They don't like wet environments. I can't give you the exact reason at this time but I can tell you what to do to eliminate the issue. Check the amplifier manual. If the amplifier has three turn-on options (remote turn-on lead, signal-sensing, DC...
  18. D

    My Stereo Upgrade Thread

    Tell Tim to get those tools off the seats ASAP!
  19. D

    Isolating 4 batteries in a parallel system for a 4 bank charger

    I've got to confirm, is that a 4-bank charger or a single-bank 4-stage charger? In any case, you need a separate charging bank per each battery bank. You do not need to separate the batteries that are tied in parallel within each individual battery bank. If they are identical batteries, of...
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    Amp - Subwoofer - speaker recommendations

    One vs. two amplifiers? Two amplifiers can have an advantage when you are running a single chassis amplifier to its absolute limit. Like bridging every channel or running every channel at the minimum impedance. This can tax both the common power supply and heat sink thermal capacity. Especially...
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