
March 7th 05, 07:57 PM
posted to rec.audio.car,uk.rec.audio.car
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infinity reference 5.25 yadda yadda yadda
Hi, thanks for the reply!! I'm lost for ideas now, it seems its only my left
front speaker thats the problem, its over-powered or something.. So what I
did was I thought it maybe faulty wiring,,, So I switched the left (channel
1) and right (channel 2) around, so the left was running off channel 2 and
the right off channel one.... Tested again, suddenly the left speaker was
perfect but the right was over-powering and giving out too much
distortion!!! So I went ok, must be down to the amp, so I looked at the amp
and noticed that (dunno if you's are familiar with Audiobahn 4601T) but the
clipping lights were lighting up on channel 1; Channel 2, 3, 4 seemed to be
fine!!!,... So... thought it might be a fault with the channel 1 of the amp,
so decided what the hey move channel 1 (front left) to channel 3 and channel
2 (front right) to channel 4... Turned it on, and now according to the
lovely STYLISH flasing blue lights on the amp, channel 3 is clipping!!!!..
but channel 4 was fine!!! Channel 3 and 4 are controlled off the same knobs,
so how can one be clipping and the other isn't?? I don't think there's a
prob with the amp as it seems to follow around the set of front speakers
(where I attach em).. So then thought it could be a wiring problem upto the
speaker or infact a speaker problem itself... so switched speakers around at
the output of the amp, assuming the problem would stick to the speaker with
the original problem ,but it didnt?!?!!? the problem stuck on channel 1 and
then on channel 3 once switched... I'm totally lost, can't be the wiring or
the speaker, as when I hooked the speakers upto channel 2 it worked fine....
when i use the set on channel 1,2 1 seems to be the problem... when I use it
on 3,4 3 seems to be the problem?"?" When I switch 1 and 2 around 1 is still
the problem and same with channel 3 and 4.... Dunno how amps work but I
assume 1,2 are taken as one unit and 3,4 are taken as another..
Thanks for all the help!!! hopefully some of the things I rambled on about
makes a bit of sense!!!!
" MOSFET" wrote in message
...
Ok, there's a lot I want to tell you here.
First, ZoSo sugested that your speakers could be out of phase which isn't
a
bad idea and although I'm pretty sure this isn't your primary problem,
being
out of phase would definately reduce the amount of midrange and midbass
you
are getting. Out of phase basically means one speaker is producing music
180 degrees out of phase with the other, thereby cancelling the sound.
Though this sounds very serious, in practice it is sometimes difficult to
determine if your speakers are out of phase. Simply switch the
connections
of ONE of the speakers at the amp (positive to negative and the negative
to
positive) and see if the bass improves. If the bass actually goes down,
then switch it back.
Yes, your speakers came with x-overs, but that wasn't what I was talking
about. You will need an x-over (high-pass) going to your infinitys. It
sounds to me that you do not have this and this MAY be the source of most
of
your problems. You will need to have a crossover so that frequencies of
about 80 Hz and up go to the Infinitys. You see, your Infinitys (despite
what the box may say), just can't handle anything below 80-90 Hz in any
great quanitity. And no, your Infinitys did NOT come with the type of
crossover I am describing. This will make an INCREDIBLE difference in
your
sound, trust me (this may be your whole problem)!
If you hear a lot more distortion out of one of your speakers make sure
that
there is nothing behind the speaker (wires, etc.) that might be touching
the
cone when the speaker is installed in the door. Also, sometimes the wire
leads that are part of the speaker (they run into the cone) slap against
the
side of the cones when you are playing your music loud. If you suspect
this
might be happening, a little rubber cement can usually cure this.
Experiment with phasing and look into a high-pass (this means only high
frequency signals can "pass") crossover for your Infinitys and your system
should sound much better.
MOSFET
"Chris" wrote in message
...
ok, did a bit of fiddling... I noticed, my left front speaker is
distorting
alot more than the right.... I took the grills off, shifted all audio to
front right, turned it up till it distorted, backed off a bit... so the
front right is as loud as possible without distortion... I kept the
volume
level the same, shifted it from right to left, the front left distorts
like
mad!!! I had to turn the volume down quite a bit to stop the
distortion!!.
how can that be when they're connected to the same amp?? is the front
left
speaker faulty??? is that the problem?? or am I missing something so
simple?? I checked the polarity of the speaker, seems to be connected
correctly....
Am I missing anything else??
HELP!!! PLEASE
"Chris" wrote in message
...
ok.... ummmm sorry bout this.... but..... out of phase?? Jon, ZoSo???
explain...
once again so sorry, I'm pretty sure it sounds like a brain dead
question,
but not sure what your talking bout... when you say outta phase, do you
mean make sure the polarity of the speakers are connected right?? Ie +
to
+ and - to -???
"ZoSo" wrote in message
...
Out of phase?
"Chris" wrote in message
...
got a set of infinity ref speakers for my front doors; hooked em upto
my
amp.... and must say they sound absolutely rubbish... my god!!! I'm
actually convinced my factory speakers in the front doors sounded
just
as good as the infinity's!!! what the hell happened?? they fit flush
with the door... bracket around the speaker connected to the door to
make it fit flush with the door... did I not say the magic words or
something??? cause bloody hell, it so wasn't worth the money or
effort...
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March 8th 05, 01:04 AM
posted to rec.audio.car,uk.rec.audio.car
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infinity reference 5.25 yadda yadda yadda
Ya, I know I spelled vague wrong. That's how it's spelled after 3 beers.
"ZoSo" wrote in message
...
Sorry about being so vauge with "out of phase". It sounds like your on the
right track with an amp or RCA cable problem. Good luck.
ZoSo
"Chris" wrote in message
...
ok.... ummmm sorry bout this.... but..... out of phase?? Jon, ZoSo???
explain...
once again so sorry, I'm pretty sure it sounds like a brain dead
question, but not sure what your talking bout... when you say outta
phase, do you mean make sure the polarity of the speakers are connected
right?? Ie + to + and - to -???
"ZoSo" wrote in message
...
Out of phase?
"Chris" wrote in message
...
got a set of infinity ref speakers for my front doors; hooked em upto
my amp.... and must say they sound absolutely rubbish... my god!!! I'm
actually convinced my factory speakers in the front doors sounded just
as good as the infinity's!!! what the hell happened?? they fit flush
with the door... bracket around the speaker connected to the door to
make it fit flush with the door... did I not say the magic words or
something??? cause bloody hell, it so wasn't worth the money or
effort...
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March 8th 05, 01:27 AM
posted to rec.audio.car,uk.rec.audio.car
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infinity reference 5.25 yadda yadda yadda
"ZoSo" wrote in message
...
Ya, I know I spelled vague wrong. That's how it's spelled after 3 beers.
I didn't even notice it was spelled wrong. I must be on your wavelength,
dude.
"Please don't call me dude. I'm no longer a stoner."
-Charlie Sheen - Scary Movie III
MOSFET
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March 8th 05, 06:16 PM
posted to rec.audio.car,uk.rec.audio.car
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infinity reference 5.25 yadda yadda yadda
Hi, I switched to RCA leads around today, and yep the bad speaker shifted
from left to right, so I'm assuming its down to the RCA cable being faulty.
Can't get my hands on a lead at the mo but pretty sure thats the problem
identified...
Thanks to all that posted, and took time out to help me resolve this
problem!!!.
J.
"Chris" wrote in message
...
got a set of infinity ref speakers for my front doors; hooked em upto my
amp.... and must say they sound absolutely rubbish... my god!!! I'm
actually convinced my factory speakers in the front doors sounded just as
good as the infinity's!!! what the hell happened?? they fit flush with the
door... bracket around the speaker connected to the door to make it fit
flush with the door... did I not say the magic words or something??? cause
bloody hell, it so wasn't worth the money or effort...
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March 8th 05, 06:25 PM
posted to rec.audio.car,uk.rec.audio.car
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infinity reference 5.25 yadda yadda yadda
On Tue, 8 Mar 2005 19:16:14 -0000, "Chris" wrote:
Hi, I switched to RCA leads around today, and yep the bad speaker shifted
from left to right, so I'm assuming its down to the RCA cable being faulty.
Can't get my hands on a lead at the mo but pretty sure thats the problem
identified...
Thanks to all that posted, and took time out to help me resolve this
problem!!!.
J.
Well, even without a spare set of RCA cables, you can narrow it down
some more to see if it's the cable or your head unit.
If the bad-sounding speaker is now the right speaker, take the RCA
cable that feeds the right input of the amp, and set it aside
somewhere.
Now, take the other RCA cable and run it from the left output of the
head unit to the left input of the amp. Does the left speaker sound
okay? If it does, the left head unit output and this RCA cable are
both good.
Now, connect the RCA cable to the right output of the head unit and
the right input of the amp. Does the right speaker sound okay? If it
does, the right output of the head unit is good and you've narrowed
your problem down to the other RCA cable (the one you set aside).
--
Scott Gardner
"A conclusion is the place where you get tired of thinking." (Arthur Bloch)
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