[ba] Blaupunkt Speakers

Wed Sep 19 01:50:13 EDT 2001

I would guess clipping too. If you have the chance to hook up an
oscilloscope across the speaker terminals, the result will be quite
telling. I was a little amazed the first time I did that and saw the
clipping--it's fits the theory so well!

- Wallace
  '87 5kcstq 177k
  Alpine 4-channel amp in the trunk (courtesy of the PO)
  Cheap Jensen CD player in the dash (courtesy of me, 
    after the Alpine CD was stolen--no one steals Jensen, right?)

Matt twentyV wrote:
> 
> 40Wx4 driving 6x9 I think you said?  That is not
> really
> that much power, head units with integrated amps
> seldom
> have enough power to really fill a car, depending on
> your definition of "fill".  My definition is loud
> enough to be clear and overcome the windnoise at
> freeway speed with windows down. Yes, that is loud,
> I've never met a head unit amp that could do it.
> So my guess is the amp is clipping... which can cause
> speaker damage, though good ones should tolerate a bit
> of it.  As Jim suggests, finding the scratch to add
> an external amp to drive at least the rears and
> maybe a sub will help enormously.
> If you feel up to doing this yourself, you can save a
> bunch of money.  Ask the list for help, I've gone
> through it myself and I'm sure others here have as
> well.
> HTH,
> Matt Rooke
> '91cq- modified, still slow
> '00S4- stock, very fast
> 
> --- Ken <bowzah at worldnet.att.net> wrote:
> > after i sent the email i thought i should have put
> > the speaker sizes, the
> > front are 3.5 90 watts max power and the back are
> > 5x7" 150 max power and the
> > cd player is only 40wX4 i have the loudness all the
> > way up and the bass at
> > +2 and the treb at +2 also but it only happens on
> > certain songs, some songs
> > i can have the bass up enough to rattle my rear view
> > mirror all over the
> > place. would a 50w amp do or should i go with 100w,
> > also i have a 14" woofer
> > i just don't really want that if i don't have to, i
> > just want it clear but
> > with a good amount of bass on EVERYTHING i listen
> > to.
> >
> > It May be the wiring also, everything in the car
> > seems to share a common
> > circuit, like when i have the radio going with with
> > the bass up my needles
> > on my voltage and oil temp gauge moves along with
> > the beat =P
> >
> > 1980 4DR 4K
> > Ken
> > San Jose, CA
> > Weekend Night Loc.- Blossom Hill/Union/Campbell Ave.
> >
> > ----- Original Message -----
> > From: "jim rose" <sf5ktq at hotmail.com>
> > To: <bowzah at worldnet.att.net>;
> > <ba-group at audifans.com>
> > Sent: Tuesday, September 18, 2001 8:33 AM
> > Subject: Re: [ba] Blaupunkt Speakers
> >
> >
> > >
> > > ken,
> > >
> > > it's a little tough to tell w/out knowing what
> > size speaker's they are,
> > and
> > > what your "normal" listening levels/bass/treble
> > settings are. if it's a 5"
> > > speaker, and youve got the "loudness" on, and the
> > bass up (as so many
> > people
> > > i know do..) then sure, it will poop and fart its
> > brains out at half
> > volume.
> > >
> > > if its a 6x9, and youve got all the settings at a
> > more reasonable level,
> > > then it  may be "blown".  usually, you can tell at
> > moderate levels if a
> > > speaker is bad - it will sound "scratchy" and or
> > buzzy, etc on certain
> > > songs/sounds.
> > >
> > > there are other factors - speaker age, power of
> > amplifier (all built-in
> > car
> > > radio amplifiers pretty much suck) and like i said
> > - how you listen. tryin
> > > to get 15 inches of bass from a 5 inch speaker
> > will kill it fast!
> > >
> > > adding an external amplifier will make a huge
> > difference (the speaker may
> > > still be bad, but...) on any speaker for 2 reasons
> > - 1 is a vastly better
> > > circuit design and parts quality, i.e. "real"
> > power, the other is the
> > > ability to tell the amplifier which frequencies go
> > to which speakers
> > > (electronic crossover). this keeps the bass out of
> > the mid/tweeter and the
> > > upper frequencies out of the woofer, greattly
> > inproving system efficiency,
> > > overall power output + power "handling" (such a
> > misleading term...)  of
> > the
> > > speakers as well as sounding a SHITLOAD better
> > (thats the real reason).
> > >
> > > take it to a good car audio shop and have them
> > listen to it - they should
> > be
> > > able to tell (franks of berkeley is a great
> > shop...)
> > >
> > > get a 4 channell amp with crossover, 40-80 wpc, a
> > good set of front
> > > separates (boston, ads, whatever) and a 12" woofer
> > in a small sealed
> > > enclosure and youll be happier than a pig in poo.
> > forget the eq - unless
> > you
> > > go 1/3rd octave or REALLY nice parametric, theyre
> > more trouble than their
> > > worth, imo.
> > >
> > > unless you're trying to win contests, impress y
> > our neighbors or break
> > your
> > > windows. in which case i cant help you =)
> > >
> > > hope that helps...
> > >
> > > btw - all of this is easy enough to do yourself if
> > youre careful, patient
> > > and neat. just like anyhting.
> > >
> > > -jim
> > >
> > >
> > > >
> > > >I have a set of blau speakers in my car 3way in
> > the back 2 way in the
> > > >front, when i turn it up more then 50% of the max
> > volume my speakers
> > start
> > > >to crackle if too much bass is there and i need
> > to turn the bass down, i
> > > >asked a coupe guys one at pacific stereo and one
> > at radio shack, and they
> > > >both said my speakers are blow, but i think they
> > are full of crap because
> > > >if they where blown they wouldn't sound as good
> > as they do and the
> > > >crackling wouldn't stop if i turned down the
> > bass, any ways the point im
> > > >trying to get at is can i add a amp or EQ to the
> > system to fix this (the
> > > >bass crackle when up high) or do i need to get a
> > woofer which i do not
> > > >really want? i have a blau santi monica cd player
> > and a 10 disc blau
> > > >changer also.
> > > >
> > > >1980 4DR 4K
> > > >Ken
> > > >San Jose, CA
> > > >Weekend Night Loc.- Blossom Hill/Union/Campbell
> > Ave.
> > >
> > >
> > >
> >
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