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Old 03-02-2010, 02:36 PM   #1
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Default Adding a 10" Subwoofer

I was wondering if anyone has added a 10" subwoofer to a 2400 SCR. I have recently purchased a 1997 2400 SCR and I am thinking about adding one on the starboard side just behind the mid cabin window. Just wondering if anyone had any experiences with that.
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Old 03-02-2010, 04:27 PM   #2
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nope...but it woud be wild to hear!!...

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Old 03-02-2010, 10:32 PM   #3
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Mines a 95 SR2100 and I have 2 10's that I ran last year in the port side engine bay in a 3/4 inch high density box and it held up great! But, that compartment is Soooo sealed to keep out engine noise that it also severely dampened the acoustics. Open up the lid though and D#MN! I had the rock'enest sh#t out there. (there is a ton of room in there). I have recently purchased the Corsa side exit exhaust that is going to prevent me from having the box in there.... My plan is to place the box in the ski locker under the back seat and port it through the front. I will have pictures when I'm done of both the exhaust and the stereo system.

I can tell you from experience that fiberglass does make a nice acoustic environment 'IF' done correctly. This is the catcher... IF DONE correctly..... to do it right you are going to need to find the optimal amount of air space for the woofer you are using and block off the bow and stern sides with treated wood. I would use expanding foam sealant to keep the blocks in place and make a nice sealed enclosure. It could be awesome, but like anything else.. it's about the forethought and what you put into it.

Good luck!! and please keep us posted on your progress!! - DB
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Old 03-02-2010, 10:58 PM   #4
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A Friend of mine added one to his Baja, and it does sound great... However, he found out after the fact... that he needed an additional battery to supply enough power for the amp and sub. Unless you run your boat non stop I'd think about that... Good luck!
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Old 03-03-2010, 02:53 PM   #5
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I was planning on just cutting the hole for the sub and having it face directly out of the side. The bow side is already blocked off, but not the engine compartment. Are you saying I should still build a box around it on the inside of the compartment. If I did build a compartment around it I would think you would have to have an vent hole to allow the sub to move effeciently.

I do plan on adding an additional battery, maybe two. The amp that I added is just a 500 watt and has a maximum draw of about 40 amps, so if I did crank the tunes it could eat a battery right up.
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Old 03-03-2010, 04:20 PM   #6
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You are exactly right, some subs are meant to be ported others are designed to be in a sealed enclosure.

Porting a sub is a technical job also. The diameter and depth of the port both play an important role in the frequencies the sub is able to produce. I’m not trying to scare you away from doing this, just want to help you make the right choices.

Can you provide any specifications on the sub you have?
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Old 03-03-2010, 04:38 PM   #7
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The Amp is a Sony XM-604M here are the specs, it is a 4/3 channel amp. I am using it in the 3 channel configuration

RMS Power Output (Watts x Channels) 60 x 4
Frequency Response at Rated RMS Power 20-20k Hz
THD at Rated RMS Power 1%
Signal to Noise Ratio 97 dB
Input Voltage 14.4v
Peak Power Output (Watts x Channels) 110 x 4
Power at 2 Ohms (Watts x Channels) 70 x 4
Bridged Power (Watts x Channels) N/A
Minimum Impedance Bridged 4
Minimum Impedance Unbridged 2
Features
Amplifier Class AB
Tri-Way Capable Yes
Low-Pass Crossover Frequency 80 Hz
Low-Pass Slope (dB/octave) 18 dB
High-Pass Crossover Frequency 80 Hz
High-Pass Slope (dB/octave) 12 dB
Bass Boost No
Bass Boost Frequency N/A
Fan Cooled No
Fuse Rating 25 x 2
Speaker Level Inputs Yes

The sub woofer is a PYLE PLMRW10 10-Inch 500 Watt White 4 Ohm Marine Subwoofer
Power Handling: 500 Watts
• Frequency Reponse: 25-2.5KHz
• 1.5" High temperature voice coil
• 60 oz magnet structure
• 4 Ohm impedance
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Old 03-06-2010, 03:15 AM   #8
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http://www.retrevo.com/support/Pyle-.../516dj696/t/2/
Suggest you download this. You will need adobe to look at a PDF. It has manufacture suggestions for both air space and port length.
Why 3 channel? Are you also adding some 6.5's or something? If you are just powering the sub you probably want mono bridged.
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Old 03-06-2010, 10:46 AM   #9
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I see that I do need an enclosure, and looks like I can do a vented or non-vented. I am planning on building the box and putting it behind the inner wall. It looks like there is enough room for the small enclosure.

Yes, I have a pair of Sony 6.5 component speakers hooked to the other channels.

I have an additional pair of the Sony's inside the cabin that are hooked right to the receiver, with a switch for the remote wire going to the amp so I can turn the sub off when we are inside the cabin watching a movie or listening to music.
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Old 03-09-2010, 09:08 PM   #10
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Sounds like you have a good plan!! Please post some pictures when you get her all buttoned up..
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