Question about Orion 2500D Car Audio Amplifier

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Wiring for 2500d orion amp

I have a 2500d amp. i'm getting power cause the red light has came on but i'm not getting no sound at all from the output of amp. i hook up another amp and it played. do i have to have a ground wire going to both as well as hot wires for it to play.

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Re: wiring for 2500d orion amp

Ground wires(heavy black)is connected when the red light no need check the red hot wire which is connected to battery terminal maybe loose.or theres no power comming in.thre are 2 hotwire in that amp one is red which is the main and yellow or sometimes orange which is the remote on. now if you sure that the power terminals is properly connected,ur speakers is working and input wires are good and still no sound. your amp is probably not try experimenting the wires or hook up two amp by any means..u might destroy all ur amp. hope this help u....

Posted on May 11, 2007

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For da orion 2500d, what would be the difference between 10'', 12'', & 15'' orion hcaa subs besides a matter of price and inches? I have two of the orion 2500d amps and am ready for the subs. I would...

I honestly would go with 2 12 inch dual 2 ohm subs and wire them one per amp. That will give you a 1 ohm load to each amp and will give the HCCA's 2500 rms per sub... It will be stupid loud... 10s hit tighter than 12's usually and 12's tighter than 15's but u will get more air movement out of a 15 than the 12's and 10s... but... 2 10's require say a 4 cubic foot box to perform well... 2 12's require a 5 cubic foot box to perform well and 2 15's require about 7 to 10 cubic foot to perform to their fullest... no matter what if you put a sub in a box that's too small it will not perform or sound like what you want it to... go 2 12's and like a 5.50 cubic foot box or a 6 cubic foot box and you will love it...

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Wiring diagram

Hello rivertoyz,

If your F250 has the stock radio, there are no preamp outputs, so you will need to use the speaker outputs. The best solution would be to wire a LOC (line output converter) to the rear channels and run RCA cables to the amp.

Speaker wire color code:

Left rear positive - Gray/Light Blue
Left rear negative - Tan/Yellow
Right rear positive - Orange/Red
Right rear negative - Brown/Pink

You'll need an amp wiring kit with 4gauge power and ground. Both the LOC and wiring kits are available at numerous online stores. The best service is from Another reputable online seller is

You did not say what subwoofer(s) you intend to use with the amp. If you want to stick with the Maxxsonics product, a pair of 10" Orion HP10D2's would be an excellent match. Wire each of the subs dual voice coils in series for 4ohms, then parallel them to the amp for a final load of 2ohms. Both of the linked retailers above sell the Orion's and many other brands as well. Just make sure that your sub selection has adequate power handling capability. At least 1000 watts RMS if you use a single sub and 500 watts RMS if you go with 2.

Hope this helps.

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*amp to sub wiring help...

The 2500D has 2 "+" and 2 "-" power connections to help split the current between two smaller wires vs. one giant, hard to route wire. According the manual, for optimal performance, both "+" and "-" power connections should be utilized. They also recommend using 4AWG wire for these connections.

The 2 "+" and "-" speakers connections are only there to simplify the wiring of multiple speakers into the amp. Both "+" get tied together inside the amp, as do both "-" connections. In this case, with the dual 2 ohm voice coils on your 12" sub, you would wire one voice coil to one +/- set on the amp and the other voice coil to the other +/- set.

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