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Old 14 November 2005, 06:33   #1
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MP3 Amplification.

Hello all

I know its been discussed before, but Im after a simple explanation.

One of my projects for this winter is to equip the boat with some tunes, so me and the smaller Nashers can cruise the Solent in style, and upset Cowes HM with Black Sabbath as well as our Jolly Roger that he takes exception to.

Plan is as follows

Pair marine speakers mounted in the console.
Amplifier mounted inside the console.
MP3 player velcrod to the dashboard with output cable passing through sealed hole to amp inside.

Do I just make up a cable that goes from headphone socket on the player to the line input on the amp?
Or do I need an MP3 with a separate line out?

Im looking to buy the cheapest MP3 possible, just in case it gets covered in salt water etc, 128Mb will be enough for a day out Im sure. There appear to be some around for @15quid, but these wont be any good if I need a separate line out.
Id spend a bit more if I could get one with an integral FM radio, but dont know if there are any available.

Nasher.
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Old 14 November 2005, 07:01   #2
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Quote:
Originally Posted by Nasher
MP3 player velcrod to the dashboard with output cable passing through sealed hole to amp inside.
It surprises me that most of you folk with open ribs don't have a cubby in the front of the consol. Mount your vhf in there, keep your gloves and scarf in there, keep your chart in there, spare fuses, bottle of juice, etc, etc. Plus your MP3 player.

Quote:
Do I just make up a cable that goes from headphone socket on the player to the line input on the amp?
Or do I need an MP3 with a separate line out?
Yeh, that should be fine. Line inputs don't normally have any equalzation. Start with the MP3 volume at low though because you can probably overdrive the line input.
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Old 14 November 2005, 08:09   #3
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Quote:
Originally Posted by Nasher
Hello all

I know its been discussed before, but Im after a simple explanation.

One of my projects for this winter is to equip the boat with some tunes, so me and the smaller Nashers can cruise the Solent in style, and upset Cowes HM with Black Sabbath as well as our Jolly Roger that he takes exception to.

Plan is as follows

Pair marine speakers mounted in the console.
Amplifier mounted inside the console.
MP3 player velcrod to the dashboard with output cable passing through sealed hole to amp inside.

Do I just make up a cable that goes from headphone socket on the player to the line input on the amp?
Or do I need an MP3 with a separate line out?

Im looking to buy the cheapest MP3 possible, just in case it gets covered in salt water etc, 128Mb will be enough for a day out Im sure. There appear to be some around for @15quid, but these wont be any good if I need a separate line out.
Id spend a bit more if I could get one with an integral FM radio, but dont know if there are any available.

Nasher.

Dont buy or make a cable I have exactly the cable u need, 1 male 3.5m stereo jack connector splitting in out in to 2 x RCA Phone outputs (left and right), got millions at work, I'll bring it tonight for you
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Old 14 November 2005, 08:10   #4
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Nasher, funny you're talking MP3 and Amp.....I was only thinking about that last night. I bought a 512MB one from Makro on Sat for 25 during their special offer week. I recon that John is right, just run the headphone leads to the line input......You got an amp yet? I've got a 150 something amp one in the garage if your interested.

You going tonight?
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Old 14 November 2005, 08:12   #5
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All we need is a car battery and we'll have some tunes tonight....That'll please the bar staff ...Black Sabbath
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Old 14 November 2005, 08:19   #6
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Thanks Guys, see you all tonight.

Jwalker

My console is one large cuddy, big enough for a portable loo etc, and reasonably dry most of the time.

Olly
Thanks, looks like I'm buying you a pint or two.

Hightower
We'll talk tonight, can you bring it with you? PM me a price and I'll make sure I've some cash on me just in case.

Nasher.
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Old 17 November 2005, 19:31   #7
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Taking WJ's point have a look at what Pete 7.25 (he's been promoted) has done on his Pac, he has put a small Henderson tub on the side of the console.
He has mounted his Icom inside this and it strikes me as the ideal solution for an amp input also
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Old 17 November 2005, 19:43   #8
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Hi,

What amp do you need to run a speaker from a cheap MP3 player. Something from argos would be ideal. 1 year guarantee. Then I can get a new one every year.

Its something I would like to do but I'm not too sure of what bits I need.

I was thinking of buying one waterproof marine speaker, getting a cheap MP3 128 mb player and some sort of amp. But I don't know what amp..

Any suggestions !!!
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Old 17 November 2005, 20:12   #9
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http://www.maplin.co.uk/Module.aspx?...185&doy=18m11D

would do it but it doesn't need to cost this much look in your free ads and somebody will be selling an amp. re wiring it's pretty simple use fairly substantial speaker cables and power feeds to the Amp and a 3,5 mm to twin phono's from MP3 to amp.

I have been meaning to do it myself for a while and have all the bits so I might whack one in to Stevie this weekend, if i do I'll take some photies.

By the way when yu buy an amp ignore the power rating that they clain it's absolute bollux just buy an amp with twin channels
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Old 18 November 2005, 03:00   #10
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Quote:
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Taking WJ's point have a look at what Pete 7.25 (he's been promoted)


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