WTF is thiss noise??
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From: san diego, ca, usa
WTF is thiss noise??
aiite well i did a self-install on my system. i have a 2ch amp bridged to 1 sub and 4 speakers connected to my deck. there is a nonstop bass noise which my friends tell me is either a loose ground wire or a loose power wire. but there is also a noise that i hear once in awhile like once every 15 mins or so that sounds like a POP that comes from my sub. does that mean its a bad sub?
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From: Sterling Heights, MI, USA
Re: WTF is thiss noise?? (ph0shizzle)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ph0shizzle »</TD></TR><TR><TD CLASS="quote">there is a nonstop bass noise which my friends tell me is either a loose ground wire or a loose power wire.</TD></TR></TABLE>
How loud is this "bass noise"?
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote »</TD></TR><TR><TD CLASS="quote">but there is also a noise that i hear once in awhile like once every 15 mins or so that sounds like a POP that comes from my sub. does that mean its a bad sub?</TD></TR></TABLE>
Nope. A sub moves according to what signal it receives. So that means that the sub is fine. The problem is your amp or the signal that you're feeding it.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote »</TD></TR><TR><TD CLASS="quote">there is a nonstop bass noise</TD></TR></TABLE>
I'm just wondering how you are listening to music on your sytem with "nonstop bass noise," and how you're hearing a pop once in a while with all that noise.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by kawickstrom »</TD></TR><TR><TD CLASS="quote">but I know from exprience that the popping sound from the sub means that there is too much power going to it.</TD></TR></TABLE>
You don't have enough experience then. Connect and disconnect a 9v battery to/from the sub, and see if it doesn't pop. If the sub is good, it will pop. Now let's do the math.
Voltage = current times resistance
9 v = current times 4 ohms
9 v / 4 ohms = 2.25 amps
Voltage times current = watts
2.25 A times 9 v = 20.25 watts.
I really don't think that 20 watts is too much power for any sub.
How loud is this "bass noise"?
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote »</TD></TR><TR><TD CLASS="quote">but there is also a noise that i hear once in awhile like once every 15 mins or so that sounds like a POP that comes from my sub. does that mean its a bad sub?</TD></TR></TABLE>
Nope. A sub moves according to what signal it receives. So that means that the sub is fine. The problem is your amp or the signal that you're feeding it.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote »</TD></TR><TR><TD CLASS="quote">there is a nonstop bass noise</TD></TR></TABLE>
I'm just wondering how you are listening to music on your sytem with "nonstop bass noise," and how you're hearing a pop once in a while with all that noise.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by kawickstrom »</TD></TR><TR><TD CLASS="quote">but I know from exprience that the popping sound from the sub means that there is too much power going to it.</TD></TR></TABLE>
You don't have enough experience then. Connect and disconnect a 9v battery to/from the sub, and see if it doesn't pop. If the sub is good, it will pop. Now let's do the math.
Voltage = current times resistance
9 v = current times 4 ohms
9 v / 4 ohms = 2.25 amps
Voltage times current = watts
2.25 A times 9 v = 20.25 watts.
I really don't think that 20 watts is too much power for any sub.
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