Re: More on radio replacement...

[Stefan Hudson <hudson@mbay.net>]

Any idea what the amp input impedance is?   This is turning into a major
project :P

On Fri, Jan 12, 2001 at 03:28:25PM -0500, Marc Gallagher wrote:
> they run at 1 ohm.  that's the difference from "typical" set-ups.
> 
> -----Original Message-----
> From: Christopher Inverarity [mailto:inver1@pacbell.net]
> Sent: 11 January, 2001 3:43 PM
> To: jettaglx@igtc.com
> Subject: Re: More on radio replacement...
> 
> 
> I believe that the factory impedance of the speakers is 2 ohms. Could be
> part of your problem.
> 
> CJI
> 99 A3 GLX w/Stage III Neuspeed/ND suspension
> 
> > From: Stefan Hudson <hudson@mbay.net>
> > Reply-To: jettaglx@igtc.com
> > Date: Thu, 11 Jan 2001 11:48:34 -0800
> > To: jettaglx@igtc.com
> > Subject: Re: More on radio replacement...
> > 
> > Does it make sense that that I can get louder sound without distortion
> > with the lower powered factory head, tho?  I'd assume that I would just
> > get louder sound at lower volume settings, and I just couldn't go to full
> > scale volume without blowing something.
> > 
> > Could it be an impededance or level matching issue with the amplifier
> > inputs?  Do they make matching transformers for car sterio applications?
> > What is the impedance on the factory speakers?  If I bypassed the amp,
> could
> > I drive the factory speakers directly from the head unit?  I'm reasonably
> > happy with the factory speakers, they sound fine with the factory head.
> > 
> > On Wed, Jan 10, 2001 at 10:22:20PM -0500, stuart wrote:
> >> if you have got a new head unit which probably puts out 30-40 watts per
> >> channel plus you have the amp going to the speakers then that is probably
> >> way too much power for the factory speakers to handle; new speakers that
> can
> >> handle more power would probably sound great
> >> stuart
> >> 96 jetta glx, sequoia green
> >> ----- Original Message -----
> >> From: "Stefan Hudson" <hudson@mbay.net>
> >> To: <jettaglx@igtc.com>
> >> Sent: Wednesday, January 10, 2001 4:10 PM
> >> Subject: More on radio replacement...
> >> 
> >> 
> >>> Well, after the drive to work today, I'm thinking that the radio
> >>> install may not have gone as well as I thought it did.  It turns
> >>> out that at higher volumes (enough to get decent sound above the
> >>> road noise), there is severe distortion.  This did not happen with
> >>> the factory head... I could have it up very loud without getting
> >>> significant distortion.
> >>> 
> >>> Anyone know where the problem is?  Is it my head unit, or is it
> >>> something with the interface between the new head unit and amp?
> >>> Did I damage the amp by having the negative speaker wires connected
> >>> initially?
> >>> 
> >>> Thanks, Stefan
> >>> 
> >>> 
> >