[W126 Coupe] speakers

David Fatovic coloradocroat at yahoo.com
Thu Mar 31 10:16:45 EST 2005


Exactly!  

David

--- "Chiappinelli, Joseph"
<joseph.chiappinelli at mirant.com> wrote:

> While RMS power is a more accurate measure of an
> amp's capability than the usually marketed "peak"
> power rating as David says, that too can be
> misleading. Perhaps not so much in car audio where
> such things are less important, but in home high end
> systems, audiophiles will look more at other
> amplifier characteristics. Such things as the
> "stiffness" of an amplifier which is its ability to
> continue to provide the same level of voltage into a
> load (speaker) as the load varies in impedance is
> critical. To do this, an amp must be very robust in
> its ability to pump current. Try hooking any typical
> electronics store amp rated at 500 watts to a pair
> of electrostatic speakers (Martin Logan, Quad, etc)
> which can drop to 1 ohm or less under certain
> musical passages. The speakers will easily "clip"
> and sound wimpy because the amp can't provide the
> current. Then hook up any typical high end amp like
> a 50 watt Krell or Mark Levison amp. Huge current
> pumps that will meet the current demands made by
> difficult speakers. A 50 watt, class A Krell will
> pump out 50 watts (RMS)into an 8 ohm impedance, 100
> watts into 4 ohms, 200 into 2 ohms and 400 watts
> into 1 ohm. The same 500 watt department store amp
> will probably be unable to provide more than 75
> watts into 2 ohms and would probably trip with a 1
> ohm load. Of course, a 500 watt Sony costs about
> $350 while a 50 watt Krell will run over $3,000. 
> 
> J.Chip
> 
> 
> 
> -----Original Message-----
> From: mbcoupes-bounces at mbcoupes.com
> [mailto:mbcoupes-bounces at mbcoupes.com]On Behalf Of
> David Fatovic
> Sent: Wednesday, March 30, 2005 10:57 PM
> To: Mercedes Coupes Mailing Lists
> Subject: Re: [W126 Coupe] speakers
> 
> 
> Also when talking to stereo guys also ask what the
> RMS
> power is.  Most people tell you that a speaker or
> amp
> is 150W but in actually it only has about a third of
> that power.
> 
> David
> 
> --- Ronny Geenen <ronny.geenen at verizon.net> wrote:
> 
> > Nearly all new car audio/CD receivers have their
> own
> > fader.
> > An audio installer told me that when you use the
> MB
> > fader with a new
> > receiver, you will loose at least 50% of the
> power.
> > That means if you have a system with 4x25 Watt,
> you
> > get only approx. 12.5
> > watt per channel.
> > Why do not you check out some local installers and
> > start asking questions.
> > 
> > Ronny
> >   ----- Original Message ----- 
> >   From: Shayegan,
> > Richard<mailto:rishayegan at davidson.edu> 
> >   To: Mercedes Coupes Mailing
> > Lists<mailto:mbcoupes at mbcoupes.com> 
> >   Sent: Tuesday, March 29, 2005 1:32 PM
> >   Subject: RE: [W126 Coupe] speakers
> > 
> > 
> >   Speaking of wiring...it's not important yet
> > because the speakers will
> >   have to wait a bit since for now all I can lay
> out
> > for is the head unit
> >   (yes yes, I know, bigger sound improvement comes
> > from replacing the
> >   speakers, but again, I really just want the
> > in-dash CD, speakers were
> >   just something that came to mind), when I do
> > replace the speakers, how
> >   do I handle the factory fader? I ordered a
> > crutchfield wiring harness
> >   for my head unit for now because I like to avoid
> > modifying the in car
> >   wiring, but I'm told that when I replace my
> > speakers the factory fader
> >   won't be able to handle it. Do I just unhook the
> > wires at the fader and
> >   wire those same wires into the replacement head
> > unit? I know, replace
> >   the wiring...that will come later.
> >   Richard
> > 
> >   -----Original Message-----
> >   From:
> >
>
mbcoupes-bounces at mbcoupes.com<mailto:mbcoupes-bounces at mbcoupes.com>
> >   [mailto:mbcoupes-bounces at mbcoupes.com] On Behalf
> > Of David Fatovic
> >   Sent: Tuesday, March 29, 2005 12:32 PM
> >   To: Mercedes Coupes Mailing Lists
> >   Subject: RE: [W126 Coupe] speakers
> > 
> >   Another thing to think about.  Just FYI.  Just
> as
> > in
> >   communications wiring, and components, you sound
> >   system will only sound as good as your weakest
> >   component.  In this case if you replace the head
> > unit
> >   and speakers (good call), you still have to
> > contend
> >   with the wiring.  Quality components will
> require
> >   quality wiring, thicker guage, sometimes wound. 
> 
> > 
> >   Just FYI.
> > 
> >   David
> > 
> >   --- "Shayegan, Richard"
> >
>
<rishayegan at davidson.edu<mailto:rishayegan at davidson.edu>>
> >   wrote:
> >   > What do you all think of the Kenwood
> KFC-x468C?
> > It
> >   > seems to have good specs, you think it sounds
> >   > noticeably better than stock? I think I'll
> just
> > take
> >   > the easy way out in the front with Alpine
> > SPS-080A's
> >   > using the crutchfield adapter bracket, but
> since
> > in
> >   > the back I'd have to do some modifying anyways
> I
> >   > might as well go for 4x6's, the trick is will
> it
> > fit
> >   > without SERIOUS mods? I guess I'll find out
> for
> >   > myself. As long as I have 1.8 inches of depth
> (I
> >   > don't have the sloped panel of the later model
> > W126,
> >   > just a flat panel covered by inch thick
> > insulation,
> >   > and the x468's have an overall depth of 1.794
> > inches
> >   > ), 4 inches of width, and 6inches of length, I
> >   > suppose I could make them fit.
> >   > Richard
> >   > 
> >   > ________________________________
> >   > 
> >   > From:
> >
>
mbcoupes-bounces at mbcoupes.com<mailto:mbcoupes-bounces at mbcoupes.com>
> > on behalf of
> >   > Shayegan, Richard
> >   > Sent: Mon 3/28/2005 2:03 PM
> >   > To: RONNY GEENEN; Mercedes Coupes Mailing
> Lists
> >   > Subject: RE: [W126 Coupe] speakers
> >   > 
> >   > 
> >   > My SE is an 85 so it should have the same set
> up
> > as
> >   > your SD. I'm intrigued by the fact that
> > everybody
> >   > says this car can take 4x6 in the front. I
> > wonder
> >   > why Crutchfield doesn't know that? From
> looking
> > at
> >   > the front speakers I know why: while 4x6 would
> > fit
> >   > the stock speakers are 3.5. Also, from looking
> > at
> >   > the front speakers I can't figure how to get
> > them
> >   > out. I see the two screws closest to the body
> of
> > the
> >   > car, and I took those out. Something at the
> > front is
> >   > holding it in but I see no screws. Any ideas?
> >   > Thanks,
> 
=== message truncated ===



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