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Can I mod a tx to transmit music?

Old 09-07-2008, 06:50 PM
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Metallover
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Default Can I mod a tx to transmit music?

This may belong in the off topic forum, but I thought I'd put it in the radio forum. I am pretty bored and in need of a project. I am wanting to make a transmitter for my ipod so I can play music in my car. I think it would be more fun and I would save 10-20 dollars if I make it myself. I have a 27mhz kyosho perfex radio as my preferred donor, but I also have a DTX and HPI 75mhz (all AM I think) radios along with various walkie talkies and old non-hobby-grade rc txs.

I plan to use the headphone ouput and stick that into the radio and be able to pick it up on a radio. What will work?
Old 09-07-2008, 08:36 PM
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Default RE: Can I mod a tx to transmit music?

Hummmm. Interesting question. Short answere is no. Long answer is hell no.

Don
Old 09-07-2008, 08:41 PM
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Default RE: Can I mod a tx to transmit music?

That's kinda what I figured too. If I could salvage the parts from the board that I would need to make a transmitter then that would probably be the only way to do it. I took apart the kyosho and it doesn't look very promising. I thought about using walkie talkies, one hooked up to the speakers and one hooked up to the mp3, but that would be mono and not worth-while. I think the best route right now is to just go to wal mart and buy a fm tx for $15 or something.
Old 09-07-2008, 10:20 PM
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Default RE: Can I mod a tx to transmit music?

It's against the law to modify and use your transmitter.
Old 09-08-2008, 09:35 AM
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Default RE: Can I mod a tx to transmit music?

I don't think it will work. Your MP3 is digital and the transmitter is analog. I guess you could convert the digital signal to an analog signal but you would probably seriously degrade the sound quality. Maybe you can still get one of those devices that play CD's thru your car radio. You plug it into the 12V outlet in the car and tune the FM radio to some predetermined frequecy. You should be able to modify that to accept the digital input from the MP3.
Old 09-08-2008, 09:39 AM
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Default RE: Can I mod a tx to transmit music?

Here you go, no solder required!!

http://www.radioshack.com/product/in...entPage=search
Old 09-08-2008, 10:11 PM
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Default RE: Can I mod a tx to transmit music?

yeah, it looks like illI'll just get something like that. It's not with it to try to make one...
Old 09-09-2008, 09:36 AM
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Default RE: Can I mod a tx to transmit music?

Hmmm, the wifey has been asking if there was any way to get our music channels off the Dish receiver to play through the FM radio in the kitchen[8D] , just may be the ticket
Pete
Old 09-09-2008, 06:50 PM
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tadawson
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Default RE: Can I mod a tx to transmit music?


[quote]ORIGINAL: LSF2298

I guess you could convert the digital signal to an analog signal but you would probably seriously degrade the sound quality.
Considering that it's analog when you listen to it (headphones, speakers, etc.) that is not at all true . . .

- Tim
Old 09-09-2008, 07:57 PM
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Default RE: Can I mod a tx to transmit music?

You TX has a built in modulator that will accept digital or analog data. All you would have to do is take the audio signal from a microphone and match it to that modulator input. Then you could get a crystal for tx that would put your signal in the middle of one of the FM bands.(assuming your tx is an FM tx).
Matching that signal to the modulator might take a bit of engineering and transmitting in the FM band is illegal with your TX power
I think you would be better off using a premade Radio Shack device.
Old 09-09-2008, 08:44 PM
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Default RE: Can I mod a tx to transmit music?


ORIGINAL: pilotpete2

Hmmm, the wifey has been asking if there was any way to get our music channels off the Dish receiver to play through the FM radio in the kitchen[8D] , just may be the ticket
Pete
You could get speakers and put them in the av output of the tv. I have an adapter that changes a/v into a headphone jack and you could get a ipod fm transmitter (headphone input) and use that.

I think I will just go with something like this.
http://www.sourcingmap.com/mini-wire...te-p-3290.html
Old 09-09-2008, 09:07 PM
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Default RE: Can I mod a tx to transmit music?

http://www.walmart.com/catalog/produ...uct_id=9134755 cheaper alt.

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