Alternator Whine Noise, Help !

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fia_cyclone

Member - Posts: 4

Joined: June 21, 2003

Location: United States

Posted: June 21, 2003 at 9:52 PM / IP Logged

im having the same problem. iv ran the power to the outside of the car through pvc. created seprate grounds of 12" from the amps to the body. tried ground loop isolators, power noise filters. iv even ran my rca's and speaker wire through copper mesh sepertly to act as a sheild. ran new 4ga grounds on the battery. the only way i don't get any noise and i have to keep it at low volume is to hook the power to a 12 volt portable car starting pack...................any ideas.........Ron

ezridr

Copper - Posts: 127

Joined: June 09, 2003

Location: United States

Posted: June 21, 2003 at 9:56 PM / IP Logged

Ron, what kind of vehicle is it and what kind of equipment are you using???????

Nhspike

Copper - Posts: 49

Joined: June 21, 2003

Location: United States

Posted: June 21, 2003 at 10:17 PM / IP Logged

that's good info ezridr

thanks

...

spikey

'94 Lincoln, Sony CDX-CA810X, Pioneer TS-A1664/TS-A6963, MTX Blue Thunder PRO50X4, Kenwood KAC-7201, JL Audio 15W4 Sub

Velocity Motors

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Joined: March 08, 2002

Location: Manitoba, Canada

Posted: June 22, 2003 at 9:09 AM / IP Logged

I noticed that you have 6 speakers and only your one amp running this system. Can you explain how you wires up the speakers to the amp ? Or are you using this amp for something else ? The amp gain might be set too high and you are inducing noise into the system through the amplifier. Lower your gains and see if this helps. Post your results.

Jeff

Velocity Custom Home Theater

Mobile Audio/Video Specialist

Morden, Manitoba CANADA

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fia_cyclone

Member - Posts: 4

Joined: June 21, 2003

Location: United States

Posted: June 22, 2003 at 2:55 PM / IP Logged

heres an update. iv narrowed it to the alt feed back thru the battery connection. since the alt sends juce to the battery. my car is a zx2 98. i think if i install a cap at the alt + terminal and mount the cap to the housing of the alt it should elemanate the noise. what do you think...............ron

Nhspike

Copper - Posts: 49

Joined: June 21, 2003

Location: United States

Posted: June 22, 2003 at 6:48 PM / IP Logged

Ron,

Sorry I can't answer your question...

But as for my whine/noise, replacing my gold-plated (expensive, but prolly for indoor home use, not shielded for automotive use) radioshack RCA Y-connectors with monster cable Y-connectors solved the problem.

(I run my rear speakers and sub from my RCA-rear output off my head unit to my rear amp... I use a Y-connector there to go to each channel of the amp, one driving the rear speakers, the other [bridged] driving the sub.)

Interesting, but the radioshack "Premium" Y-connectors were 13 bucks each... the monster brand was 24 bucks for the pair.

hehehe

...

spikey

'94 Lincoln, Sony CDX-CA810X, Pioneer TS-A1664/TS-A6963, MTX Blue Thunder PRO50X4, Kenwood KAC-7201, JL Audio 15W4 Sub

Maxst

Silver - Posts: 866

Joined: June 06, 2003

Location: United States

Posted: June 23, 2003 at 5:59 PM / IP Logged

Get the stuff thats made for car audio...

go to this one at the link below......

TPX2-1MX2 RCA/interconnect y adapter cable- 1 male to 2 female (set of 2) $9.99

http://thezeb.com/caraudio/lightningaudiointerconnects.html

Good luck sorting out your problem(s)

I need quality equipment, feel free to donate.

Bear

Member - Posts: 3

Joined: June 18, 2003

Location: United States

Posted: June 25, 2003 at 5:51 PM / IP Logged

Thanks all for the help and suggestions. I am going to take a day off and pull everything out and start again a piece at a time . I am also going to add another battery and isolator and power everything from there. Thanks again, Bear

Nhspike

Copper - Posts: 49

Joined: June 21, 2003

Location: United States

Posted: June 25, 2003 at 7:44 PM / IP Logged

how will you keep it charged Bear?

just curious, since it sounds like one helluva good way to isolate eveythang

...

spikey

'94 Lincoln, Sony CDX-CA810X, Pioneer TS-A1664/TS-A6963, MTX Blue Thunder PRO50X4, Kenwood KAC-7201, JL Audio 15W4 Sub

ViperFreak_01

Member - Posts: 14

Joined: June 25, 2003

Posted: June 26, 2003 at 7:27 AM / IP Logged

Isolators are the way to go...had a friend that just re-did his system and the alternator sounded like a turbine through his system when he started his truck...threw in some isolators and wiped the problem out...

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Alternator Whine Noise, Help !

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