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Author Topic: Voltage On Audio Cables  (Read 46 times)

ktm300

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Voltage On Audio Cables
« on: July 29, 2004, 01:41:00 AM »
I know in car stereos the line signal is about 6 or so volts it is only used to provide an UNAMPLIFIED signal the tv/reviever/amp will then boost the signal much more! What kind of project to you need this info for? I am sure that most connections will be able to handle the the power, just be sure to buy quality parts.
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edge2828

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Voltage On Audio Cables
« Reply #1 on: July 29, 2004, 06:46:00 AM »
im hooking this up to my car's head unit.  it says the max it can handle is 1volt.
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ktm300

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Voltage On Audio Cables
« Reply #2 on: July 29, 2004, 11:58:00 PM »
Are you putting an Xbox in a car? You could try a wireless transmitter, the kind that sends audio through your FM radio. I dont know what kind of sound quality you would get but it shouldnt be too poor.
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Mr Ed

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Voltage On Audio Cables
« Reply #3 on: July 30, 2004, 09:37:00 AM »
Dude audio connections (i.e. left/right white/red RCA connectors) are standard voltages.  The XBOX obeys it, and your receiver will accept it assuming it came with RCA female connectors for the input.
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scubyben27

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Voltage On Audio Cables
« Reply #4 on: July 30, 2004, 11:25:00 AM »
DO NOT USE A FM TRANSMITTER!

Sound quality is terrible, i.e. feedback and fragments and whatnot.  If you have RCA connectors in the back of your deck, that will work.
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edge2828

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Voltage On Audio Cables
« Reply #5 on: July 31, 2004, 10:59:00 AM »
thx for the replies, and yes im putting it in my car and my head unit has the plugs to accept them.
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Mr Ed

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Voltage On Audio Cables
« Reply #6 on: July 31, 2004, 11:28:00 AM »
QUOTE (ktm300 @ Jul 30 2004, 10:21 PM)
I know that FM transmiters dont have the best quality for sound but since this guy didnt know what an RCA connector was called and didnt have a voltmeter, I figured he wasnt an audiophile ....so he wouldn't have noticed the difference too much.

Nothing is worth compromising on an FM transmitter  biggrin.gif Even if his car blew up killing thousands because the direct connection went wrong, it was a better idea than using a wireless hookup.  rolleyes.gif

Seriously tho' have you ever tried to measure the voltage across RCA connectors?  Because it isn't a DC signal, the readings are pretty unusable.  My multi-meter doesn't have a "peak" or "average" function, so it's like, just stare at the display for a while.  unsure.gif
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ktm300

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Voltage On Audio Cables
« Reply #7 on: July 31, 2004, 04:58:00 PM »
QUOTE (Mr Ed @ Jul 31 2004, 07:31 PM)
Seriously tho' have you ever tried to measure the voltage across RCA connectors?  Because it isn't a DC signal, the readings are pretty unusable.  My multi-meter doesn't have a "peak" or "average" function, so it's like, just stare at the display for a while.  unsure.gif

Yeah mine has a "hold peak data" button. But I have never tried to measure RCA voltage because I never really needed to do so, I usually just hook up the output to the input and it works. Soon I will have an xbox in my car also, all I need to get now is a different power inverter, and glass a box for some speakers.
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