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Don
Dodge Dakota
JOIN HERE
6/01/2002
15:59:22
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 Subject: should've asked this months go...
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Message:
ok, on my head unit i have a front left and right rca out and a rear left and right rca out. i also have a separate rca (a total of 5 rca outs) that is labeled with a sticker on teh wire as "subwoofer" there is also a button on the face of the head unit that says subw and a little round thing with sub in the middle goes on or off when its' pressed. anyway, when i hooked up my amp and subs months back, i ran them from the rear left and right rcas after much thinking of what to do. i would assume that this can be set up somehow to use the button to cut the subs on or off, which would be nice because at low volume levels it is too boomy and it's a pain having to redo the eq. do any of you guys know what this is about? i had thought about just running a single rca from the rca out labeled sub and then putting that into the amp to see what happens but i am afraid of tearing something up. i also thought that it might be some form of a remote switch? do any of you guys have a head unit with this same function and know what's up with it? my instruction manual for the head unit's only mention of this function is on the diagram of it it has the wire and the button labeled. any help will be greatly appreciated.
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JMII
Dodge Dakota
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6/02/2002
23:31:55
|  RE: should've asked this months go...
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Message:
The manual says nothing about what the sub button does? My guess it that turns the sub signal on/off and uses the RCA labeled as "sub" to pass that signal onto the amp. It's clearly a mono signal since it's only ONE RCA and not stereo (R & L jacks). Now weather this sub button at the same time turns on a high-pass crossover for the other speakers is the big question as this would solve your "boomy" problem most likely. If the manual offers no help then your going have to hook it up and see (or hear) what happens. No real chance of damage as long as the sub RCA jack is only connected to the channels of your amp driving your sub(s). Just turn everything off (pulling the amp fuse at the battery would be an extra safe step) then switch the RCA jacks from rear to sub, reconnect, put the fuse back in and power it up.
- John
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