Re: Audiophile question

[Keith Bidne <kbidne@jvlnet.com>]

Keith Bidne wrote:
> 
> Frank Amoroso wrote:
> >
> > Be careful with turning up the volume and distorting those speakers as more
> > speakers get blown (voicecoil damage) due to underpowering them (coupled
> > with mucho distortion) than running too much power through them.
> >
> > Be careful with so called "hi-power" head units. Usually the claims are for
> > peak power and usually at such high distortion levels that the power is
> > useless.
> >
> > If you want clean powerful sound you will need a separate amplifier.
> > Accordingly if you want accurate & powerful reproduction of low frequencies
> > you will need a separate bass speaker (woofer or sub-woofer depending on how
> > low you need to go).
> >
> > Frank--
> > '87 4000csq
> > 325 watts (rated @ 12V) of Hifonics Series VI power driving 4 MB Quarts and
> > a 10" band pass sub,
> > not rattling any windows but the rearview mirror sure is shaky.
> >
> > -----Original Message-----
> > >On Sat, 28 Mar 1998, MHLIGGINS wrote:
> > >
> > >> If he adds much volume, the stock speakers (surprise) distort.  This
> > afternoon
> > >> we tried a pair of Panasonic 3 ways in the back of the car.  They are
> > 180w/50
> > >> w speakers.  They also distort, and did not provide as much bass "thump"
> > (is
> > >> that the technical word here?) as the pure stock speakers.
> > >
> > >I'd say that the head unit itself is distorting the signal.  Rarely do
> > >head units put out clean signals to the speakers at full tilt.  All the
> > >way up, you can expect distortion.
> > >
> > >Also, I doubt the 35wx4 is over driving the panasonics.  Head units come
> > >very overrated, in my experience.  To get a cleaner "thump", your son will
> > >have to add an amplifier and subwoofer -- but that may be overkill, and he
> > >may end up rattling the windows like the local "goobers" -- also, if it's
> > >coming out of your pocket, it won't be pretty :).
> > >
> > >Mark
> > >87 4kq
> > >a/d/s, Boston Acoustics, JL, SoundStream, Alpine...
> > >(not rattling any windows)
> 
> My .02 worth,
> 
> Sorry about the BW, I'll be brief. I have a Sony XRC-450 in my 87 5ktq
> and it is 100% better than stock. HOWEVER, the DBass switch should be
> used with caution. Reason - if playing your music (is that what the kids
> are playing nowdays?) fairly loud, set the bass to center and then turn
> up the DBass switch to your liking. I've read the other postings and
> everybody is right on. An underpowered head unit will blow out speakers
> faster than you can say new steering rack. Reason - higher volume on an
> underpowered unit will distort/clip the amps which sends a garbled
> signal to the speaker and the voice coil begins to heat up (heat is bad)
> lo and behold we have separation (voice coil wires melt and sometimes
> separate from the cone).
> 
> How do I know all this? Research, school and mostly plain old
> experience. Want good clean $ound. You got it, spend the $$$$ for an
> amp, crossover, subs, good to vg quality speakers and enjoy !
> 
> Feel free to email privately if you want more info or resources on this
> subject. Again, sorry about the non-audi bw. Just trying to help.
> 
> Later,
> 
> Keith Bidne
> 87 5ktq
> Sunny Wisconsin
> 
> "Always go to the left becaause its right" :-\

-- 
SLTG