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New HU causing "hiss" noise through speakers


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Posted

I recently installed a Pioneer AVH-P3200BT in my truck.

Every speaker is working, the video bypass is working correctly...but there is a constant hissing noise coming from my speakers. It only makes the noise when the volume is on. If the volume is on 0, there is no hiss noise.

It is in a 98 Expedition with a factory amplifier. Could it be the head unit causing the problem? bad ground? factory amp?

-98' Ford Expedition (Rest in Peace)

-AVH-P3300BT

-Crescendo BC5500

-4 18" DC m2 Level 3.

Posted

I recently installed a Pioneer AVH-P3200BT in my truck.

Every speaker is working, the video bypass is working correctly...but there is a constant hissing noise coming from my speakers. It only makes the noise when the volume is on. If the volume is on 0, there is no hiss noise.

It is in a 98 Expedition with a factory amplifier. Could it be the head unit causing the problem? bad ground? factory amp?

could be the factory amp thats my guess

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Posted

are you using the factory amp or a dedicated amp off of it? either way, its a bad ground, but theres different ways to solve it depending which one it is....

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Posted

there are some HUs ive used that just had some noise. nothing i ever did would fix it. when i upgraded to a better HU the noise went away. thats why i wont get a HU with less than 4v preouts now.

If I answered you in a well mannered, informative way, you asked a good question or had a good attitude. If I was an asshole, you asked a stupid question or you had a fucktard attitude... or I was in a bad mood.

Team BassickHU: Pioneer AVIC Z110Front: Peerless SLS 6.5", Peerless HDS 4", Rainbow tweeter - running activeAmp: JL HD600/4 and DC 4 channel (bridged to midbass)Processor: JBL MS-8Subs: 2x 12" AA MayhemsAmp: DC 3kElectrical: DC power 270xp alt. 1/0 big 4. XSpower D3400 and six D680s.

http://www.stevemeadedesigns.com/board/topic/121795-29-update-the-buick-is-getting-a-rebuild/

Top career scores: DBdrag 151.7 MECA SQ 82.25My SOTM build

Yeah. im pretty sure they dont warranty retarded people.

Posted

pioneers are known for this, i still havent gotten around to it after having this h/u for a year now, but you need to wrap bare wire around the rcas in the back of the headunit then wrap it around a screw on the headunit and screw that screw back in

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huh?...flex is what can make the lows lower and more air being pushed correct?
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Posted

pioneers are known for this, i still havent gotten around to it after having this h/u for a year now, but you need to wrap bare wire around the rcas in the back of the headunit then wrap it around a screw on the headunit and screw that screw back in

I'm using the factory amp. The RCAs aren't being used at all. Could they still be causing it? I don't see how they would.

Thanks for the help guys.

-98' Ford Expedition (Rest in Peace)

-AVH-P3300BT

-Crescendo BC5500

-4 18" DC m2 Level 3.

Posted

are you using the factory amp or a dedicated amp off of it? either way, its a bad ground, but theres different ways to solve it depending which one it is....

Using factory amp. What should I do to fix it at this point?

-98' Ford Expedition (Rest in Peace)

-AVH-P3300BT

-Crescendo BC5500

-4 18" DC m2 Level 3.

Posted

pioneers are known for this, i still havent gotten around to it after having this h/u for a year now, but you need to wrap bare wire around the rcas in the back of the headunit then wrap it around a screw on the headunit and screw that screw back in

1. it only has the problem you are talking about if you hot swap rcas and blow the pico fuse. they dont just automatically have the problem.

2. this clearly isnt that type of noise.

3. he isnt using the rcas.

pioneers are known for this, i still havent gotten around to it after having this h/u for a year now, but you need to wrap bare wire around the rcas in the back of the headunit then wrap it around a screw on the headunit and screw that screw back in

I'm using the factory amp. The RCAs aren't being used at all. Could they still be causing it? I don't see how they would.

Thanks for the help guys.

im still betting its just the hu. but try upgrading the hu ground.

its not a loud hiss right? just noticeable at low volumes?

If I answered you in a well mannered, informative way, you asked a good question or had a good attitude. If I was an asshole, you asked a stupid question or you had a fucktard attitude... or I was in a bad mood.

Team BassickHU: Pioneer AVIC Z110Front: Peerless SLS 6.5", Peerless HDS 4", Rainbow tweeter - running activeAmp: JL HD600/4 and DC 4 channel (bridged to midbass)Processor: JBL MS-8Subs: 2x 12" AA MayhemsAmp: DC 3kElectrical: DC power 270xp alt. 1/0 big 4. XSpower D3400 and six D680s.

http://www.stevemeadedesigns.com/board/topic/121795-29-update-the-buick-is-getting-a-rebuild/

Top career scores: DBdrag 151.7 MECA SQ 82.25My SOTM build

Yeah. im pretty sure they dont warranty retarded people.

Posted

i have the same problem but i only can hear hissing at high volumes on my 3200dvd like around 27 and when the music is on pause i hear the hiss as well but when i play music i dont hear anything

CAR

-2005 Ford Mustang (Legand Lime)

H/U

-Pioneer avh 3200dvd

Amps

2 AQ 3500d.1s strapped 1ohm daily .25burps

1Sundown Audio 100.4

1 Sundown Audio 125.2

Subs

4 AQ HDC'4s 12's

Mids and highs

4 Sundown Neo Pro 8s

2 AQ Super Tweeters

Electronical

Mechman 270 unit

1 D3400

2 D3100's

WALLED!

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