I was wondering if it's ok to just run a short wire from the remote turn on terminal of one amp to the remote turn on of the second amp? This would obviously be in conjunction with the remote turn on wire comming from the HU and going to one of the amps.
I just don't know what the specs on the remote turn on terminal on the amps are, and what the specs are for the voltage comming out of the HU, and don't want to mess anything up. Incase it matters, i have a pioneer premier DEH-P940MP, and the amps will be 2 orion 1200d's.
Thanks for the help.
you can do it...yes.
personally i always run the remote wire with a relay circuit.
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Can't you just run the remote turn on switch in series to both the amps?
The remote wire off of the head unit puts out minimal voltage. It's good for one, maybe 2 devices. Multiple devices it sometimes has problems with. Just like wysiwig I run a relay to andle multiple devices, like amps and processors and crossovers.
Beat it like it owes you money
So you just run the remote wire to a relay, then 12v from the battery through the relay to each amp?
right. Use the remote wire as your relay trigger. Definately a must, if running more than two things.
courtesy of BCAE
Remote Input Current:
The remote input current for amplifiers varies with the amplifier and the model. Some draw minimal current. Others draw a little more. The upper limit of a properly functioning amplifier is approximately 50ma (0.05 amps). If you're using/controlling more than 2 amplifiers, it is (in my opinion) much better to use a relay to control the amplifiers. Actually I really prefer having a relay in the remote circuit (no matter how many amplifiers I'm using) because it protects the head unit's remote output circuit in case of a short circuit. The following chart shows the remote input current for various amplifiers I had laying around the shop.
†Punch amplifiers may draw slightly more current when the power supply fuse blows. This generally causes no problem because the increase in current is still below the current normally drawn by other amplifiers.
Note:
There is at least one very popular brand of amplifier that draws as much as 500ma of current when the amplifier fails. This is enough to damage the remote output switching transistor in the head unit if the fuse is missing or is of the wrong value. A relay in the remote circuit will completely eliminate the possibility of damaging the head unit in this situation.
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Great info guys. Now, where do i find that sort of relay? I know i'm looking for a 12v relay, and something that can handle max 500mA, but is there any certain kind i should look for? Something with easy inputs that i can mount easily?
If you have an autozone or an advanced auto, look for them. They'll be in the electrical section, they have 4 prongs, they're square looking, and usually a mounting hole at the top.
Beat it like it owes you money
i have had mine like that for years and have never had a problem with it
Fast isn't always good, looks and sound is sometimes better
Imamarine
Imamarine wrote:i have had mine like that for years and have never had a problem with it
nobody said it would cause a problem. if yours shorted out..THEN you'd have problems.
using a relay circuit is merely a safety precaution for your equipment. NOT something you have to do
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