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January 1st 08, 07:27 PM posted to uk.rec.audio
Woody[_2_]
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Posts: 29
Dual concentric
"tony sayer" wrote in message
...
In article , Woody
scribeth thus
"tony sayer" wrote in message
...
In article , Eeyore
rabbitsfriendsandrel
scribeth thus
Woody wrote:
"Trevor Wilson" wrote
"Dave Plowman (News)" wrote
It occurred to me when fitting some new car speakers that a
dual
concentric design would be ideal for this use. But they all
seem
to
have
tweeters just stuck on the front. Any reason why this design
has
fallen
out of favour?
**Perhaps people have finally discovered what I found a few
decades
ago: They sound like ****. Given that midrange frequencies are
being
bounced off the back of the tweeter, the result ends up sounding
like
a pig's breakfast. I've never heard a decent dual concentric car
speaker. Perhaps it's due to the shockingly bad crossovers used.
Maybe
it's just the cheap, crappy drivers.
Also perhaps to do with the fact that the stereo 'information' is
carried by the higher frequencies which are lost in the carpet and
seats
in most cars so many manufacturers have gone for seperate mid-high
speakers (not just tweeters) in the ends of the dash or the top
corners
of the doors. It also means that they can then fit lower quality
speakers that do not need to handle full range in the doors and
get
what
the punter perceives to be better quality (i.e. more bass.)
You didn't seriously imagine that it's possible to get a proper
stereo
image
in a car did you?
Graham
No course not!.. but there is a very pleasant difference in my car a
10
Y/O old Audi A6 betwixt Mono and Stereo which makes that
worthwhile;!...
--
Tony Sayer
That's what I really meant.
It is surprising when you have a DAB/FM radio in the car and you
switch
between the same station in the different formats (or the radio does
it
itself) how often the FM reception is in mono because the signal
strength is too low - the only advantage of DAB I suppose as it is
always in stereo with good separation if you can hear it.
When it is;(..
ClassicFM and
especially choral show it up inbcredibly well.
Wot abaht the Jazz;?...
--
Tony Sayer
Cos, Tone, theJazz is transmitted in 80K mono ........MONO in this day
and age!!!!
--
Woody
harrogate three at ntlworld dot com
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