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Old 01-10-2017, 09:16 PM   #1
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Default Ranger audio-need tips!

Hi all, previous member here..forgot username & password...

Currently own a 1998 Ranger Reata. This is a 19' fish/ski model boat. Current radio head-unit is in need of replacement, constantly skipping and dying on us. Figured I'd replace the two 6x9 speakers at same time. System is about 10 years old.

This system has always under-performed. I'd like more volume and better clarity when cruising at 60mph and for hanging out at the sandbar. I'm told an amplifier could help with that as well.

Keep in mind this is an older boat. I'd like to stay under $150. I only have enough room for two speakers/head-unit/amp. Can anyone help recommend a decent set-up for me? I believe 50w RMS per channel with 2 total channels is what I'm looking for, not positive. Need help.

Thank you!
-White_Caps

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Old 01-10-2017, 09:41 PM   #2
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Cool boat. I don't think there is a combo out there that will achieve what your looking for in that price range.
You might find one of the components you want that will achieve part of the goal but not all three.
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Old 01-11-2017, 06:33 AM   #3
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You boat looks really fun to run. Is your budget an all in number?
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Old 01-11-2017, 07:19 AM   #4
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White_Caps,
Are you strictly fresh water boating? If so, you can get by with a Kenwood din-sized marine HU under a cover with a pair of decent automotive 6X9s, and be within your budget, and get 5+ years use. If you boat in brackish conditions your investment will need to be substantially more.
Playing CDs on a shallow hull boat while underway may be too much to ask. So look into converting over to a thumb drive, MP3 or phone as your music source.
Short gunnels plus 60 mph? Forget about it. You can make audible noise but that's about it, unless the speakers are playing in your face. An amplifier will definitely help under those conditions but may not be enough for you to realize all your expectations on a moderate budget.
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Old 01-11-2017, 07:45 AM   #5
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It's all fresh water for this rig - no need for CDs either. Was hoping a package deal of around $150...dont need top notch stuff. Checking out Amazon seemed that might be doable, perhaps not.

How does one match an amp to a headunit/speakers, do you want same RMS all around?

Good advice so far thanks everyone.
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Old 01-11-2017, 08:37 AM   #6
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White_Caps,
When you are dealing with outlets like Amazon you are never going to be getting good info to base your decision on. It comes with the low price. Better decisions usually follow patronage to an independent specialist.
As for power matching. With budget amplifier brands like for example Boss and Pyle, you will not get a power number that is accurate. In fact they're typically meaningless.
Comparing brand to brand specs is never an exact science because most specs are unqualified and standards are not uniform from brand to brand.
Start with matching amplifier to speaker RMS power, not peak, dynamic or music power.
The speaker RMS power rating is normally the thermal power handling. That's the right number to match with the amplifier power. A deviation of +/- 20% is not too critical. It will take a 30 to 40% jump in power to make a small audible difference.
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Old 01-11-2017, 09:30 AM   #7
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Ah ok that makes sense. So with two speakers at 30w RMS you'd want a 2 channel amp with approximately the same output. We do have a small independent audio supplier in town I may need to pay them a visit. Thanks David!
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Old 01-11-2017, 07:49 PM   #8
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Question though, is a single starting battery enough to power an amp of say 50w RMS/channel and 2 speakers for any extended amount of time, motor off?
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Old 01-11-2017, 10:42 PM   #9
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Quote:
Originally Posted by White_Caps View Post
Question though, is a single starting battery enough to power an amp of say 50w RMS/channel and 2 speakers for any extended amount of time, motor off?
That's something I would never trust. Even if the amp is efficient like a class d it has the ability to pull some amps over time. It's watts in watts out.
I guess you would be safe for an hour if you have a good solid starting battery with some reserve. They just typically don't have a lot. Obviously a house battery with 220ah reserve would let you play for hours and no fear of being able to start a motor.
I have seen so many people walk away from their boat for 5~6 hours with the radio on (not loud) and come back to a boat that won't start.
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