Hey guess i finally hooked up my subs BUT!! there pulsing now I played for a bit then stopped.

now the subs are just pulsing
any ideas?

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EGA 700.2
EGA 680.4
HiFonics XXV Colossus II 3200 MONO
HiFonics XX Colossus II 3200 mono
Tarantula 960.4
Tarantula 6.5 x18speakers 120RMS
Tarantula 6x9s speakers 150RMS
Tarantula T4 Subs. X2 900 RMS 1Ohm
Van Gogh 6.5 Components 150RMS
SC40 Farad Capacitor
Big "3" 180AMP @ idle Alternator (custom made).
210 sq Ft BrownBread.
2 Red Tops.
2 Yellow Tops
Alpine 9855

Id look at the rcas first thing,is the amp going into protect at all?

does your amp have a remote bass control?

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as suggested it sounds like rca inputs are seeing chassis ground... check the RCAs connections and make sure the RCA casing isn't contacting ground inside your dash.... also make sure deck ground is solid... try swapping RCAs if necassary....

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SIC Audio

Sometimes when you have the gain way up the amp starts picking up the most minute signals, that could be it.

The amp is protected. But
Doesnt go away. I disconnected the RCA's and the Speakers wires still no go.

If i disconnect the RCA's and the Speakers wire are Connected they pulse ands it still says protected.

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EGA 700.2
EGA 680.4
HiFonics XXV Colossus II 3200 MONO
HiFonics XX Colossus II 3200 mono
Tarantula 960.4
Tarantula 6.5 x18speakers 120RMS
Tarantula 6x9s speakers 150RMS
Tarantula T4 Subs. X2 900 RMS 1Ohm
Van Gogh 6.5 Components 150RMS
SC40 Farad Capacitor
Big "3" 180AMP @ idle Alternator (custom made).
210 sq Ft BrownBread.
2 Red Tops.
2 Yellow Tops
Alpine 9855

The amp is fubar.

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Forbidden Audio Ltd. (1995)
Rob Atkinson

Eclipse / MB Quart / Soundstream / Power Acoustik / Parrot / Pioneer / Pioneer Premiere / Kenwood Excelon / Morel / Focal / Scosche / EFX / MTX / Bass Slammer / Audio Control / Blaupunkt / ARC / Stinger / Streetwires / Metra / Pac Audio / Bassworx / JBL / Infinity / Compustar Pro / Audiovox / Clifford / Autopage / Fusion / CDT and whatever else you need.

I saw an amp do that when the owner busted the RCA terminals, so it grounded them out to the chassis. Could be repairable.

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Alpine IVA-W200
Alpine PXA-H701 optical
Blade SE6175
Morel Elate 6 3 way active
Sony XM2000R
MTX 12" 7000 x 3 freeair

Finally moving into the 21st century...

this problem is most commonly found using earthquake amps. known as the "earthquake rumble". common symptoms are your subs rumbling once your amp turn on and there is no music playing. cures are finding a different amp, aswell as cracking your amp in half over your head!

if its an earthquake amp you have then thats normal for those, they all do it like i told u on msn

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Team Fear Of Bass

2006 & 07 - Canadian Street A & B Record Holders
2007 Street A - 155.2 db's
2007 Street C - 154.8 db's
2007 CSPL Amature 1 Champion - 150.8 db's