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Wiring I have a 4 channel Alpine amp that I have to send back for repair. It was running a set of component speakers (6 1/2" and 1") and a pair of 4x6 plate speakers. Meanwhile so I have tunes I installed an MTX 2 channel amp and ran the speakers parallel. From what I understand this makes it a 2ohm load which the amp is capable of handling. Is this correct? When I first hooked it up I got a noise from the rears even when the deck and amp were turned off. It increased and decreased when I pressed and released the gas pedal. Seems to have gone away now. Any ideas or suggestions? Thanks

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If you get a buzz or whine noise that changes on acceleration of the engine,,, for some reason your amp is picking up alternator "noise" the most common cause of this is a corroded/dirty/non bare metal/poor ground connection to the cars chassis form your amp.. recheck your connections and make sure! Another trick is to run the rca cables on the opposite side of the car as the power wire. Also if your rcas have a small wire in the center DO NOT USE IT FOR A REMOTE WIRE!!! it is meant to be grounded on both ends to eliminate noise. Also p.a.c.(pacific accessory corporation) makes a noise filter you can put inline betwen your rca cables and the amp. I have had some sccess with that..

Posted on Aug 22, 2007

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I have alpine sps600c & am installing them in a 2001 Nissan frontier w/ 6 disc 6 speaker (2 ea in each ront door, 2 in back (crew cab). Do I wire my tweeters to existing tweeter output, or...


Did you change out the factory deck? If not, wire the tweets to the existing wiring. If you already have tweets they have been crossedover already. However, if you replaced the deck, you may need to run new wire to the doors and use the crossover that came with your component set. Hope this helps

Sep 05, 2011 | Alpine SPS-600C Car Component System

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What is the best way to wire four 6" 55 watt


My advice would be to connect the front speakers and the sub woofer to the amplifier and run the remaining rear 2 speakers from the headunit. This way you dont stress the amplifier to run on two different loads at the same time and still maintane control over your system. Bridge your sub woofer on chanel 3&4 and do not forget to set the LPF for chanel 3&4. If your speakers are not components in the front set the HPF on chanel 1&2 to roughly 60 to 80 Htz.
dreamsystems.

Feb 10, 2011 | Clarion APX490M Car Amp

1 Answer

How should I wire a 4 channel amp for alpine sps 600, 609


they are only 4 ohm speakers so just put the front speakers on channels 1&2 or a&b and the rear on 3&4 or c&d since you are using a 4 channel amp thats what they are designed for

Jul 09, 2010 | Alpine SPS-600C Car Component System

1 Answer

I have 2 6x9 speakers up front 4 6 1/2 3-ways


Hello rjmiller4039,

Although amps with 5 channels are pretty rare, you can get one. Alpine, Boston Acoustics, Infinity, JL audio, MTX, and Polk all have 5-channels ranging in price from around $350 up to around $1,000. The Alpine PDX-5 will output 75X4 watts RMS for the front and rear stereo channels and 300 watts to the mono sub channel. It is priced at $599.99 at Crutchfield.

Hope this helps.


Sep 18, 2009 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

Amplifier displays "CUR"


Hello anwbrown,

The "CUR" display means that the amp is drawing excessive current and the protection circuit is activating. Too low impedance or shorted speakers will cause the amp to draw excessive current.

The Alpine V12 is a Class D mono amp with only one set of speaker outputs. All versions, M301, M501, and M1001 are only stable to 2ohms. Assuming that all 6 of your connected subwoofers and speakers are 4ohm and they're all connected in parallel, the amp sees a .67 ohm load, far below it's rated impedance.

When brand new, the amp could probably operate at low to moderate volume levels without drawing excessive current. But as electronic components age, their tolerances change and they become less able to withstand excessive current or mismatched impedances.

I'd get a 4-channel amp and drive the 4" speakers off the front channels and the 6X9's off the rear channels. And just power the subs off the V12 making sure that they are connected to show a minimum load of 2ohms.

Hope this helps.

Jul 27, 2009 | Alpine MRV-F345 Car Audio Amplifier

1 Answer

PXA-H700 optimum set up...


The way the EQ is hooked up is correct.

You set the factory radio to a set level, then use the volume on the EQ for everyday adjustments.

I believe your problem lies in the amplification.
Your BOSE amplifier was made to run a 4 channel 8ohm stero load.
Low powered - high in sound quality.

You have swapped the factory 8 ohm speakers (15W) for 4 ohm power hungry ones.
Now the amplifier is working harder to produce the same output.

You would be best served eliminating the factory amplifier and getting 1 good 4 or 5 channel amp to power your speakers.

a 4 channel amplifier could be used stereo (left and right) on channels 1 and 2, (2ohm stereo load)
and bridge channels 3 and 4 for your subwoofer.

For a true surround sound - a 5 channel amplifier could run each speaker individually, and the 5th channel is reserved for the subwoofer.

a small dedicated 75wx4 channel amplifier with built in crossover, and level gain controls - would blow your socks off. It is 200x better than the factory 12Watt amplifier. Your ears will love you for it :D

If you need more help - just let me know.

Thanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.

May 23, 2009 | Alpine PXA-H700 Car Video Player

2 Answers

What is the best way to connect 4 speakers and a sub to a 4 channel amp.


I would connect the 4 speakers to channels 1-2 in stereo with high pass filter. Bridge the sub to channels 3-4.
A thumbs up would be greatly appreciated if this answer is helpful to you. best-way-connect-4-speakers-sub-4-zb4bomd1rt4qms0dqd12kkt2-3-0.jpg

May 01, 2009 | Car Audio & Video

1 Answer

My amplifier keep clipping


start with the lowest settings on all the adjustment knobs and turn your radio up to about 3/4 of the volume and go from there

Mar 20, 2009 | Kicker ZX650.4 Multi-Channel Amp - 480W ZX...

1 Answer

How to wire a stereo system


Connect the 2 gage to the battery thru at least s 50 amp fuse, then connect the capacitor in line before the amps. Then run the 2 gage to a connector/splitter block and run 4 gage leads to each amp. You also will need at least 4 gage ground leads from each amp to a body grounded bolt or screw. You need to run a quality set of speaker leads from the head unit to the amps. The speakers will need separate leads from the amp to each speaker.You will need to try some different combinations to get the sound and bass you want. You want to be able to fade from front to rear and control everything thru the head unit.
Use a hole saw to cut a 2 to 3 inch diameter hole in the side of the speaker box for a port to get a better punch from the sub.
Hope this helps some....

Nov 03, 2007 | Alpine CDA-7863 CD Player

1 Answer

Amp?


Make certain that each ouput channel from the unit is driving no more that 4 ohms each. If you have more than one speaker attached to an output then be sure they are wired in series NOT parallel. Two 4 ohm speakers in series is an 8 ohm load and the same two speakers in parallel is a 2 ohm load. If the speakers are dual voice coils then you must treat each voice coil as if it were another speaker when it comes to wiring.

Aug 16, 2007 | iLO XM-MP3-CD Car Stereo

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