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RE: Audio nuts only
As long as this is a thread for newbie questions...
I'm wanting to add a small subwoofer and amp to the stock system in my 16V
for a little for power (unh! Unh! Unh! (in your best Tim Allen voice)).
From my research, it sounds like I need a 4 channel amp with low level
inputs (so I can connect the speaker wires in) and low/high crossovers.
The idea is send the front speaker wires into the amp, two channels out
through a low filter to the front speakers and two channels bridged through
a high filter to the subwoofer. The end result should be the front
speakers handle the midrange/treble duties and the subwoofer handle the
bass. Actually, now that I put this in writing, what do I do with the rear
speakers? If I connect them to the same channels as the front speakers, I
lose fader function and if I connect them to the subwoofer channels, I'll
have the wrong filter in place. Okay, I give up. How can I put some more
power through the stock system without creating a car that thumps? Should
I just get an amplified bass tube and some inline low filters for the
speakers?
-Brad
-----Original Message-----
From: William J Erikson [SMTP:williamjosiah@juno.com]
Sent: Wednesday, June 09, 1999 12:25 PM
To: CAPTIANBR@aol.com
Cc: scirocco-l@scirocco.org
Subject: Re: Audio nuts only
I'd say your best bet is to get an amp that has a built-in crossover and
is bridgeable. Crossovers filter out certain frequencies. Most
bridegeable amps with built-in crossovers and designed to be used with
one subwoofer, like you're planning on doing, so their crossovers filter
out high frequencies and send only the low frequencies to the subwoofer.
Bridgeable means you can send both channels, mono, to one subwoofer.
Usually it's done by hooking the speaker to R- and L+ or something like
that - it varies. Some have a "bridged" switch, like my POS Legacy.
Anyone have any opinions on Legacy, BTW? I bought one brand new for $80
and it worked great while it worked. 300W (150RMS), bridegeable, built-in
crossover, hey, sounded great. It died, but I guess that was because I
mounted it to my rear deck and my speakers were mounted there too.
Someone told me this will kill an amp. Yes? No? Sounds quite plausible to
me - vibration and all.
HTH! (I don't know that much about audio either, really)
-Josiah
'84 GTI
'87 QSW
'86 Golf
http://bork.hampshire.edu
self-employed VW mech
On Wed, 9 Jun 1999 10:29:28 EDT CAPTIANBR@aol.com writes:
>I have just inherited a JBL 12" subwoofer and box. But I don't no what
>type
>of amp to get for it or how to hook it up in the rocco. I currently
>have six
>speakers off of a Clarion CD player. JBL componants in the front and
>pioneer
>5 1/4 in the rear. But I also have two rca outputs that are not being
>used,
>Shoud I use these for the subwoofer? What is a crossover and do I
>need it?
>As you can tell I don't have much experience with audio besides
>changing
>speakers. I have two rca's but only one subwoofer how will this work.
>Thanks
>in advance for any help.
>
>Brian 86 16v
>
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