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Re: Audio nuts only



How does one go about making custom panels? The whole door panel, or do
you just replace part of it?
	-Josiah




On Fri, 11 Jun 1999 12:16:14 -0400 "Mike" <lerb@redrose.net> writes:
>    Sounds like you are forced into a comprimise because of where you
>live...I am glad this is not the case here. The last person that poked 
>his
>nose into my car by way of a crowbar was met at the other door with my 
>nine
>milimeter. For some odd reason he was willing to pay me twice what my 
>door
>damage was to not be turned over to the police ( I did not take it 
>tho). Too
>bad situations like this are all too common....I will make ayone 
>custom
>panels from the list at cost if they ever wish to get out of the 
>stock
>crappy system situation.  You are just not able to  make a oval 
>speaker
>produce the sounds that are sometimes desired. The oval speaker in the 
>worst
>desighn ever made!
>----- Original Message -----
From: Andrew Holmes <aholmes@chubb.com>
>To: Mike <lerb@redrose.net>
>Cc: <bgsterling@earthlink.net>; <scirocco-l@scirocco.org>
>Sent: Friday, June 11, 1999 12:15 PM
>Subject: Re: Audio nuts only
>
>
>> Ok fair enough but not many people wish to hack their door panels or 
>even
>fit
>> custom panels in order to obtain a set up like yours. Taking the 
>standard
>door
>> apertures with 6*4 which if i read correctly the original mail from
>William is
>> using a comprimise has to be made between soundstage/depth/volume 
>and the
>only
>> way without changing the apertures is to use rear speakers.
>> Whilst i appreciate this is not ideal,  for everyday use it is fine 
>and i
>have
>> no intention of entering any competitions for any aspect of in-car 
>stereo.
>> In an ideal world i would follow the route you have taken but the
>prohibitive
>> cost in the UK of custom panels and high end car hi-fi not to 
>mention our
>> appalling amount of car theft make the value of such a set up 
>dubious
>here.(i.e.
>> approaching the cars value and thus uninsurable)
>> Just as a point the cost of my front end set up is approxiamately a 
>third
>more
>> than the rear but because i use the stock apertures in the front 
>(with
>seperate
>> tweeters) i require 6*9 in the rear to provide the extra depth 
>(40-100hz)
>to
>> complete the soundstage.
>> As i pointed out before this is appropriate to UK spec cars and may 
>help
>anyone
>> who is beginning thier own custom install. A three way set up in the 
>which
>is
>> anyway visible (in fact any visible quality hi-fi) especially in 
>London
>where i
>> live (all my speakers other than the tweeters are hidden - fronts 
>in
>standard
>> apertures, rears in custom "Stealth" shelf/deck which makes setting 
>up
>very
>> hard) usually results in a short time in the theft of the vehicle or 
>the
>> components with large damage.( i have had 3 break-ins and 4 lots of
>vandalism in
>> the past 18 months)
>>
>> Anyway thankyou for your comments which i read with interest and you 
>never
>know
>> my increased knowledge may well help in the future.
>>
>> Andy
>> 91Scala 8v
>> Mike wrote:
>>
>> > I have a three way system in the front with a  6"1/2, 5"1/4, and 
>a
>titanium
>> > 1" tweet in each door powered by a 4X50 PPI. All of this is driven 
>by a
>Sony
>> > deck into a parabolic divider.....No actually I do not have a loss 
>of
>sound
>> > Q in the front...but then again I do not think many peoples front 
>stage
>is
>> > so indepth. I have seen it many times in competition when a guy 
>will try
>to
>> > enhance the week spot of his car by boosting another area of the 
>car.
>Never
>> > made sense to me and nor does it to judges or a RTA. Do your front 
>sound
>> > stage right and don't waste power to the back. I would rather 
>spend
>money on
>> > a good set of speakers than two ok ones and place all my money up
>> > front.....JMO....
>> >
>> > BTW anyone want to but a Opti 500? I need to get more power to 
>the
>isoberics
>> > in the back 500 watts does not cut it anymore
>> > ----- Original Message -----
>> > From: Andrew Holmes <aholmes@chubb.com>
>> > To: Mike <lerb@redrose.net>
>> > Cc: <bgsterling@earthlink.net>; <scirocco-l@scirocco.org>
>> > Sent: Friday, June 11, 1999 10:46 AM
>> > Subject: Re: Audio nuts only
>> >
>> > > Don't you find that without rear speakers it is very difficult 
>to get
>a
>> > good
>> > > volume/bass combination bearing in mind the front aperture is 
>6*4
>only. I
>> > use
>> > > custom Pioneer 6*4 midrange and custom 1" Pioneer tweeters 
>running at
>80hz
>> > + and
>> > > 40w per channel pure (100wRMS). I found that using just the 
>fronts
>would
>> > give a
>> > > good soundstage but no depth and a lack of bass. If i allow a 
>lower
>> > frequency
>> > > say 50hz to run through the fronts then i get depth at the 
>expense of
>> > power
>> > > handling as the 6*4 units struggle to deliver any bass/volume
>combination
>> > and at
>> > > motorway speeds (85mph) the bass disappears as the 
>road/wind/engine
>noises
>> > drown
>> > > it completely.
>> > > I appreciate the back speakers provide your back seat passengers 
>with
>> > excellent
>> > > sound but the purpose of a quality car audio is to balance the 
>sound
>> > against the
>> > > deficiences of the enviroment (a steel box not being the best 
>acoustic
>> > platform)
>> > > so ideally you should centre the sound and imaging 
>approxiamately
>above
>> > the
>> > > gearstick/slightly to your front and to do this including a 
>reasonable
>> > (not
>> > > neceesarily thumping) bass will require the back speakers.
>> > > You are quite correct about the hatch creating a "megaphone" 
>effect as
>my
>> > JBL
>> > > 6*9's can if i provoke them quite comfortably match my friends 
>twin
>10"
>> > > Rockfords in a box in the back of his 325i but i generally like 
>to end
>my
>> > > journey without my ears bleeding and ringing.
>> > > However if you are careful in selecting your components, use 
>decent
>> > cabling
>> > > (this is very important and can make a huge difference) and are
>prepared
>> > to
>> > > spend time on a careful installation and setup then you can 
>obtain a
>very
>> > high
>> > > quality sound without resorting to subs.
>> > > In my humble opinion this can be acheived with the minimum of
>> > > Head Unit
>> > > 4 channel amp(with built in crossover)
>> > > 4 quality speakers
>> > > Good quality interconnect and speaker cables
>> > >
>> > > Lastly if you are running your'e power directly from the battery 
>do
>put an
>> > in
>> > > line fuse on the cable as close to the battery as possible (mine 
>is
>> > strapped to
>> > > the battery) which will probably save you a lot of cash in the 
>event
>of
>> > you
>> > > making an error on installation or a short within the set up.
>> > >
>> > > Please note all of the above is based on my personal experience 
>with a
>UK
>> > spec
>> > > vehicle and may or may not be applicable to US or other specs.
>> > > I hope some of the above gives some background info which maybe 
>useful
>but
>> > a
>> > > word of warning. Once you start upgrading the in car audio you 
>are
>taking
>> > the
>> > > first step on a path where every upgrade will show up the 
>weakest link
>in
>> > your
>> > > system thus prompting another upgrade and so on and so forth
>> > >
>> > > Enjoy
>> > > Andy
>> > > 91 Scala 8v
>> > >
>> > >
>> > > Mike wrote:
>> > >
>> > > > Well as far as the ba ck speakers get rid of them...a good 
>system
>only
>> > > > eliminates sounds from behind you anyways...I like to think of 
>it
>this
>> > > > way...Where do you hear voices from? In front of you right? 
>Well
>every
>> > > > single voice you hear from the back you wil have to over power 
>from
>the
>> > > > front. So why have rear? Only reason to ever have rear is if 
>you
>have an
>> > > > audiance in the back. Actually another reason would be if you 
>were
>goig
>> > to
>> > > > add a center channel but it does not look like you are about 
>to do
>that.
>> > If
>> > > > you don't want thump stay away from a sub altogether. I think 
>a good
>set
>> > of
>> > > > speakers up front will help your sound alot but I am not sure 
>how
>you
>> > are
>> > > > going to avoid thump. Our cars have whats refurred to as a 
>megaphone
>> > affect
>> > > > with the rear hatch reflecting alot of sound off of the glass 
>and
>> > actually
>> > > > enhancing the sound pressure forward in the cab which makes 
>any bass
>> > > > produced from te rear sound like thump. I have had people ask 
>me
>what
>> > size
>> > > > subs I had me when I only had part of my system installed in 
>my car
>(4,5
>> > 1/4
>> > > > Mb Quarts in the rear deck before I knew better than to put 
>them
>there).
>> > > > ----- Original Message -----
>> > > > From: Brad Sterling <bgsterling@earthlink.net>
>> > > > To: <scirocco-l@scirocco.org>
>> > > > Sent: Thursday, June 10, 1999 12:21 PM
>> > > > Subject: 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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>> > > > >
>> > > > >
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