Question about Rockford Fosgate Power 1000BD Car Audio Amplifier

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My rockford power 1000bd is not pushing my sub at all. though the badge light comes on and rca input and out put work there is no response from the subs when hooked up. the amp stays on and does not show any signs of damage nor does it smell or look burnt when i took off the panel on bottom. i did not pull the circuit boards from the anti corrosive grease at all but am thinking about it. looking for some good advice to keep my oldschool amp running my hx2. thanks

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5 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

simplemitch
  • 752 Answers

SOURCE: protection light

You cannot parallel two subs AND run them on the Bridge. You must have at LEAST a 4 ohm load on the bridge, and 2 4 ohm subs in parallel equals TWO OHMS. BAD!!! Move each sub to it's own channel or your amp will soon fry.

Posted on Sep 10, 2007

etirbynnor
  • 655 Answers

SOURCE: Sub Wiring

Hello jtkpay,

Rockford-Fosgate claims their latest V-power 1500bd is stable to 1 ohm, and I would think that your Oldschool would also be. The 2 wiring options for 3 subs with 2 ohm dvc would give you a 1.34 ohm load and a 3 ohm load. The 1.34 ohm option would mean more watts to the subs, but the amp will run hotter. The diagrams look like this:

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Using just 2 of the Kickers, you can wire 3 different ways, with final impedances of 0.5 ohms, 2 ohms, or 8 ohms. You do not want the 0.5 ohm load. It's bad for the amp. You don't want the 8 ohm load. It doesn't allow the amp to produce as much power. So that leaves only the 2 ohm, with coils in series and subs in parallel. It looks like this:

97d7e1b.gif
Hope this helps. If it does, please rate as "FixYa".

Posted on Apr 27, 2009

spoopavitch
  • 40 Answers

SOURCE: how can I get rid if whining noise comming from

wrap a striped wire figure 8 style around the output rva jacks on the back of your head unit

Posted on Apr 03, 2010

evan89
  • 356 Answers

SOURCE: do you know where I can fix my Rockford Fosgate

You could open it up and if you are familiar with soldering that is most likely your problem something that was soldered down has come loose.

Posted on Mar 03, 2011

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Make sure and check the RCA wires in the back of your radio that send audio to the amp and make sure that they're connected to the OUTPUT/SUBS RCA's and not an input rca's. Also, check your ground and make sure no speaker wires in the subs are shorted. Try one speaker at a time see if that helps.

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It started cutting in & out, now i can barely hear the subs.


It sounds like the amp is having problems internally. You should contact Rockford to find a place that can fix it.

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Do you know where I can fix my Rockford Fosgate Power 1000BD Car Audio Amplifier inside tucson? what could be the best choice? fix it ? or sellin it?


You could open it up and if you are familiar with soldering that is most likely your problem something that was soldered down has come loose.

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1 Answer

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Disconnect your subwoofer wiring from the Amplifier, and use a multi-meter to check for resistance, or an open line. The subwoofer should have resistance. If not, check the wiring inside your box. If the wiring checks out, replace the subwoofer. Also, check your RCA connection from the Head unit to the Amp.

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1 Answer

How can I get rid if whining noise comming from inside of my rockford fosgate 1000bd


wrap a striped wire figure 8 style around the output rva jacks on the back of your head unit

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1 Answer

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:) the rca jacks have to be connected to an amplifier,, their signal is too lay to even light a bulb.. you have to connect it to a car amplifier and then from the amplifier to the speakers..

Just so you'd know,, once your deck plays and you hear music on your speakers through your normal speaker wires,, RCA jacks work..

Ok you have 4 jacks,, 2 subs and 2 front.. These should connect to a preamp,, which takes 4 inputs and allows you to equalize or adjust how the music should sound,, now from the pre-amp,, it runs to an amplifier,, thats powers the subs and another that powers the speakers.. Some amps have 4 inputs so you can use one amp for your subs mids and heights..

for example a basic music system is

1 cd player
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1 amplifier (4 inputs, 4 channel out)

you bridge 1+2 and connect this to 1 12" double coil sub woofer

the next 2 connect to 2 mid speakers example "rockford or ev 5 / 8 " and 2 tweeters for heights..

Thats a kicking tricked out basic car audio system,,,

Hope that helps you understand how it works..


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Check you inputs to verify you have a signal coming in, if signal then check outputs try a speaker that you know is working and plug it in if that speaker plays then the subs/ or speaker wiring is bad, if it doens't play then you probably have a blown output transistor on the amp or possibly a terminal ground/positive has come loose on the inside..

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Assuming your P3 has a single voice coil (it will have only one place to plug your wires into) you will be running this in a bridged mode. You will take the left (+) coming off the amp and plug it into the (+) on the P3. Then take the right (+) from the amp and plug it into the (-) on the P3. This will make your amp push 500 watts to your sub. Now on the amp make sure your adjustments are as follows: Signal input switch is set to unbalanced for RCA input. Left Phase switch is set to 0. Right phase switch is set to 180. your X-card should be set to low pass. And adjust the gain for both R and L equally so it has equal power from both channels.

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Amp Issues


1800W peak output at 2 ohms
975W peak output at 4 ohms
600W RMS (continuous) at 2 ohms
325W RMS (continuous) at 4 ohms
Variable LP crossover adjustable 35-250Hz
4 AWG power/ground inputs and RCA pass through
Low-pass filter
Bass boost 0-18dB adjustable remote punch bass EQ
Signal-to-noise ratio: >80dB
Line-level input


It is going into protect mode for a reason.
Disconnect the subs and turn everything on again. If the light comes on, the problem is internal and will need servicing by a technician.

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