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-   -   marine audio (http://www.wranglerforum.com/f40/marine-audio-19011.html)

spanky 06-04-2008 02:10 AM

marine audio
 
i just herculined the tub of my tj. now when it needs to get cleaned, it will get a bath inside as well as out!

one concern that popped out was my electronics getting wet while i hosed off the interior (or lack of interior, its just the two front seats)

has anyone had a problem with killing their cd players?speakers?subs?amps? by washing out the inside of their jeep and getting a little more water on things than needed??

my first thought was to maybe upgrade to some marine grade audio components.

but i guess i should first see how "forgiving" our electronics are.
is it necessary?


i have a jvc KD-S51 head unit (its a few years old) , pioneer speakers on the soundbar and in the front (dont know what model, but they are blue) a mtx amp (502x) powering a 10" kicker comp sub.

TXST8tj 06-04-2008 07:43 AM

well first off, you don't want to get any of it wet.

now since that is not really possible, you just have to work around the situation.

for the speakers, as long as they are not made of paper and get sprayed directly, they can handle some moisture. what you really want to be concious of are the connection points. you really don't want those to get wet. good thing is, the soundbar speakers are out of the way completely and not really an issue. the dash speakers do have some decent protection with the grilles; however, when you spray the floorboards under the dash, water will spray up, so i would just turn the water pressure down around that area.
once again with the amp, you don't want to spray it directly, but they can generally stand a bit of outter moisture. the connections are the weak point and the area to be sure to keep dry. the thing that separates marine amps from non-marine amps are the non-corrosive connection points they use. some marine amps have a better seal around the casing, but a lot of them don't even have that. just saying, don't invest your life into marine products.

depending on where your sub and amp are mounted, i would just pull them out when you go to hosing the jeep down.

when i would hose out my interior, i would put garbage bags over the seats and over the console and such. it won't keep them 100% from getting wet, but it will stop the chance of them getting soaked and/or saturated. just make quick passes while spraying.

spanky 06-04-2008 09:14 AM

i like the garbage bag idea !

whitebuffalo 06-04-2008 10:11 AM

i killed one cd player. i was towing home from the beach and it rained like crazy hell, wind, the whole nine yard. cd player would turn on but no sound. the soundbar survived. i replaced with another cheapy cd and have been ok. i hose out my inside after most trips, i just am careful not to put the hose direct onto the dash. a little spray doesnt seem to hurt it. i plan to pull the marine unit out of my boat before i sell it and move it to jeep duty at some point

richp 06-04-2008 11:42 AM

Go buy a big tube of dielectric grease or 'tune up grease', get the big tube, 6 ounces, unplug every connection, put a schmear of DEG on it and plug it back in, do all of them, it will keep water and moisture out. I use it on everything electrical when I take it apart including my headlight sockets for the CIBIE's and Hella's, spark plug boots, etc.

crafty 06-04-2008 07:30 PM

I run a strapless bikini top year around if possible. Full top if it drops below 50 for more than a couple days. Killed a couple of CD players and speakers, switched to marine stereo and problems solved until too much dust got into the CD slot. Stereo and speakers have been great. Next purchase will be the CD player with the removable face AND dust/water shield during use.:doh:

spanky 06-04-2008 11:45 PM

Quote:

Originally Posted by richp (Post 234702)
Go buy a big tube of dielectric grease or 'tune up grease', get the big tube, 6 ounces, unplug every connection, put a schmear of DEG on it and plug it back in, do all of them, it will keep water and moisture out.

didnt even think of that! good call!

spanky 06-05-2008 12:03 AM

Quote:

Originally Posted by crafty (Post 234852)
I run a strapless bikini top year around if possible. Full top if it drops below 50 for more than a couple days. Killed a couple of CD players and speakers, switched to marine stereo and problems solved until too much dust got into the CD slot. Stereo and speakers have been great. Next purchase will be the CD player with the removable face AND dust/water shield during use.:doh:

so you have the marine cd player only? or the marine cd player and marine speakers?

TXST8tj 06-05-2008 07:57 AM

ahh...keep in mind that there are a lot of 'regular' speakers on the market that are marine grade. for instance, Polk and Kicker speakers are marine grade...as are others.

richp 06-05-2008 09:27 AM

I just ordered a JVC KD-BT1 from Crutchfield yesterday, should be here tomorrow, according to UPS, so thats my saturday morning project. Going to put the USB plug near the cig lighter so I can plug in the drive right there. Need to decide where the microphone will work best, over the steering wheel or up on the sunvisor. I also want to see what kind of sleeve I can come up with to wrap the back end of the unit, maybe even a couple of 10 or 20mm fans I have laying around from my boxhill raid stacks. and some kind of plastic flip down cover like the marine units have for normal use. Got to head out to the computer store and see what kind of usb B connector holders they have otherwise I will have to fab up something with epoxy and a form. I'll know better when the unit comes in and I see what cables are actually used. My hope is they have some kind of bracket for holding the USB end for mounting.

crafty 06-06-2008 10:39 PM

Quote:

Originally Posted by spanky (Post 234993)
so you have the marine cd player only? or the marine cd player and marine speakers?


I picked up a package deal with Marine CD player and speakers---speakers are mounted behind my front seats.

spanky 06-08-2008 12:38 AM

hmm... well maybe i will look into some marine stuff.
im mostly worried about my amp. its mounted under the drivers seat. i dont know where else to mount it. dont think this is the best place because any and all water is more likely to find my amp now. maybe i could just remove it when i wash it out?

Triple88a 06-08-2008 02:07 AM

yeah amps are big problem because they need air flow and dont do very nicely in moisture.

spanky 06-08-2008 11:55 PM

Quote:

Originally Posted by Triple88a (Post 235763)
yeah amps are big problem because they need air flow and dont do very nicely in moisture.

no.. amps and moisture dont get along do they?

TXST8tj 06-09-2008 09:10 AM

how big is the amp?

in my 02, i had a small sub amp mounted under the center console. that area is up on the hump so it has a couple inches of room before the water pools up to it and it is 100% protected from the elements (including a water hose). only a smaller sized amp will fit though.


it was a $25 amp, so even if it did get damaged, i wasn't going to loose any sleep. oh, and it never overheated.


http://img.photobucket.com/albums/v2...o/DSCF0025.jpg
http://img.photobucket.com/albums/v2...o/DSCF0027.jpg

Triple88a 06-09-2008 01:05 PM

Quote:

Originally Posted by spanky (Post 236038)
no.. amps and moisture dont get along do they?

lol not really because amps need lots of air circulation because they heat up like an oven so they cant be sealed however water will burn stuff apart since after all those things are high power.

spanky 06-09-2008 11:32 PM

Quote:

Originally Posted by TXST8tj (Post 236069)
how big is the amp?

my amp is an mtx 502X

dimensions are 9-1/8" X 9-3/4" X 2-1/4"

http://reviews.cnet.com/sc/32491640-2-200-0.gif

i like your idea, only problem is thats where i have my sub.
previous owner jerry-rigged a custom 10" sub mount in the center console.
i personally dont care for it at all. it doesnt sound right by any means. definitely isnt as loud as it should be.

im playing with some ideas to make this mount location work/sound better.

Triple88a 06-09-2008 11:38 PM

Spanky, of the top of my head i can think of many things why the sub might not sound right.
is the amp bridged? is the low pass filter on? do you have an adjustable low pass filter? how loud of a setting is your head unit set to? How much is the gain and bass boost on your amp? What gauge wires are you using? What ohm is your sub? How many cores is the sub?

what other problems do you have for the sub other than loudness?

TXST8tj 06-10-2008 08:40 AM

Quote:

Originally Posted by spanky (Post 236290)
my amp is an mtx 502X

dimensions are 9-1/8" X 9-3/4" X 2-1/4"

http://reviews.cnet.com/sc/32491640-2-200-0.gif

i like your idea, only problem is thats where i have my sub.
previous owner jerry-rigged a custom 10" sub mount in the center console.
i personally dont care for it at all. it doesnt sound right by any means. definitely isnt as loud as it should be.

im playing with some ideas to make this mount location work/sound better.

the first thing that i think about when you say the PO rigged a 10" sub in the console is.......what (if any) kind of enclosure is in there? just by the simple size of it all, there is no way to make an enclosure proper enough to fit a 10" sub under there. i have seen really nice 8" enclosures built for that space, but 10" sub would barely fit under there with NO enclosure at all.

i would look to build an "in-seat" rear seat enclosure for your sub and mount the amp in/under the console. the in-seat enclosure will get the sub off the ground, protect it from the elements, and make it impossible to see without the seat being flipped forward.


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