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#1
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need some very specific advice and comments on this car audio thought...
OK.... 2003 cavalir.... barebones THUS am/fm radio only.
My goal is to get a stero in this car without altering anything on the car, and without changing the stock looks (thieves), car sequrity system is not an option. Please dont comment on me buying an aftermarket deck, sequrity system etc etc...these are not options for me. Will this setup sound good.... sony mp3 cd changer running on an fm-mod. Amp, 10" sub in the trunk running off of one of those line-in adapters instead of rca cables (the input that runs off of speaker wires). how do these line-in inputs sound??? I have always used aftermarket decks with the most expensive RCA i could buy. How do they sound compared to RCA??? distorted.... ??? fuzzy.... ??? How does this adapter work? Do you got disconnect one speaker for it...or does it just branch off? question #2 .... what would sound better. Run my 6x9's in the rear off of the stock deck. OR Run the 6x9's in the rear off the amp in the trunk using the line-in input??? is this setup gonna sound like ass running thru a fm-mod cd changer, into a stock deck, then running off of a line-in amp??? bare-in-mind i will be using after markey 6x9's in the rear. i thank you for your info and help |
#2
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need some very specific advice and comments on this car audio thought...
With line-in inputs you have to disconnect at least two of the speakers.
Another method would be to use a speaker level line-out to RCA converter box that converts the speaker level outputs from the HU into RCA signals. You can get these at various places. Cheap RCA cables work just fine, if you previously spent more than they cost at radio shack you spent too much. I personally would never run an FM modulator, but if you gotta, you gotta, you may have mixed results depending on the specific FM stations in your geographical location. Run your rear 6x9's off an amp, not the HU, doubtful that your factory head unit has much power. Find a 3 channel amp that will power your rear speakers & a single sub off of a 2 channel input (either line-in, or using the previously mentioned converter box RCA's). Why not install an aftermarket headunit in an alternate location, say in the center console. Is the center console big enough? -T wrote in message ... OK.... 2003 cavalir.... barebones THUS am/fm radio only. My goal is to get a stero in this car without altering anything on the car, and without changing the stock looks (thieves), car sequrity system is not an option. Please dont comment on me buying an aftermarket deck, sequrity system etc etc...these are not options for me. Will this setup sound good.... sony mp3 cd changer running on an fm-mod. Amp, 10" sub in the trunk running off of one of those line-in adapters instead of rca cables (the input that runs off of speaker wires). how do these line-in inputs sound??? I have always used aftermarket decks with the most expensive RCA i could buy. How do they sound compared to RCA??? distorted.... ??? fuzzy.... ??? How does this adapter work? Do you got disconnect one speaker for it...or does it just branch off? question #2 .... what would sound better. Run my 6x9's in the rear off of the stock deck. OR Run the 6x9's in the rear off the amp in the trunk using the line-in input??? is this setup gonna sound like ass running thru a fm-mod cd changer, into a stock deck, then running off of a line-in amp??? bare-in-mind i will be using after markey 6x9's in the rear. i thank you for your info and help --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.581 / Virus Database: 368 - Release Date: 2/9/2004 |
#3
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need some very specific advice and comments on this car audio thought...
On Thu, 12 Feb 2004 16:31:25 -0700, "T" wrote:
With line-in inputs you have to disconnect at least two of the speakers. Another method would be to use a speaker level line-out to RCA converter box that converts the speaker level outputs from the HU into RCA signals. You can get these at various places. Cheap RCA cables work just fine, if you previously spent more than they cost at radio shack you spent too much. I personally would never run an FM modulator, but if you gotta, you gotta, you may have mixed results depending on the specific FM stations in your geographical location. Run your rear 6x9's off an amp, not the HU, doubtful that your factory head unit has much power. Find a 3 channel amp that will power your rear speakers & a single sub off of a 2 channel input (either line-in, or using the previously mentioned converter box RCA's). Why not install an aftermarket headunit in an alternate location, say in the center console. Is the center console big enough? -T crutchfield says to use line-in, i splice off two speakers and it wont affect the speakers at all. So, i aint sure what you mean by disconnecting 2 speakers....? Cheap rca cables.... suck. I had a very good system in a z28. I had "cheap" rca cables. I then switched to the most expensive stinger wires they had. The difference was like night and day. It was the best cash i ever spent on a car audio. So i aint sure why you would make a comment like you did. Wires make a very big difference. center console? if you are reffering to the console in between the two front seats... why would i do this? It would fit just fine...plenty of room. But to my knowledge decks skip like a bitch when inverted 90 degrees. They arent designed to keep themselves cool when inverted at 90 degrees. The thing would probbly over heat. Like i said...i am not looking for suggestions and other "ideas" of how to put a stero in my car... i just want comments and questions answered about my current setup plan. thanks |
#4
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need some very specific advice and comments on this car audio thought...
Cheap rca cables.... suck. I had a very good system in a z28. I had
"cheap" rca cables. I then switched to the most expensive stinger wires they had. The difference was like night and day. It was the best cash i ever spent on a car audio. So i aint sure why you would make a comment like you did. Wires make a very big difference. Riiighhht. I can imagine a few people around here might not agree with ya on this one. |
#6
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need some very specific advice and comments on this car audio thought...
On Thu, 12 Feb 2004 16:31:25 -0700, "T" wrote:
Cheap rca cables.... suck. I had a very good system in a z28. I had "cheap" rca cables. I then switched to the most expensive stinger wires they had. The difference was like night and day. It was the best cash i ever spent on a car audio. So i aint sure why you would make a comment like you did. Wires make a very big difference. Is this one of those, I sent a bagillion dollars on cables so it HAS to be better? wire is wire, so long as a cable can carry the current and voltage and it's shielded if it needs to be thats all that matters.. I used to do some work for a radio station and all their interconnects where custom made with 2 or 3 conductor wire that was foil shielded. I have a friend who uses a Speaker level line converter to run the input on his amp and it sounds fine to me, and i'm picky.. I think the FM modulator is going to suck.. just my .02 Adair |
#7
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need some very specific advice and comments on this car audio thought...
On Fri, 13 Feb 2004 00:21:41 GMT, "Adair Winter"
wrote: On Thu, 12 Feb 2004 16:31:25 -0700, "T" wrote: Cheap rca cables.... suck. I had a very good system in a z28. I had "cheap" rca cables. I then switched to the most expensive stinger wires they had. The difference was like night and day. It was the best cash i ever spent on a car audio. So i aint sure why you would make a comment like you did. Wires make a very big difference. Is this one of those, I sent a bagillion dollars on cables so it HAS to be better? wire is wire, so long as a cable can carry the current and voltage and it's shielded if it needs to be thats all that matters.. I used to do some work for a radio station and all their interconnects where custom made with 2 or 3 conductor wire that was foil shielded. I have a friend who uses a Speaker level line converter to run the input on his amp and it sounds fine to me, and i'm picky.. I think the FM modulator is going to suck.. just my .02 Adair thats just it... my cheap rca wasnt shielded...the good stuff was shielded. do fm modulators really sound that bad? If it is an actully wire plugging into my deck... how bad could it be? I could see if it used a broadcast signal. |
#8
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need some very specific advice and comments on this car audio thought...
wrote in message
wrote: i learned in college the reasons that make top quality rcas better then low quality. they can disagree all they want anyone have any help for me on my orignal post Kinda like this? would you buy this? http://www.pslaudio.com/pages_cable/Emanio.htm Adair |
#9
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need some very specific advice and comments on this car audio thought...
Cheap rca cables.... suck. I had a very good system in a z28. I had
"cheap" rca cables. I then switched to the most expensive stinger wires they had. The difference was like night and day. It was the best cash i ever spent on a car audio. So i aint sure why you would make a comment like you did. Wires make a very big difference. Your old ones must have been faulty then. Metal is metal. |
#10
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need some very specific advice and comments on this car audio thought...
i learned in college the reasons that make top quality rcas better
then low quality. What are those reasons then? |
#11
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need some very specific advice and comments on this car audiothought...
i learned in college the reasons that make top quality rcas better
then low quality. Which college class taught you those lies??? |
#12
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need some very specific advice and comments on this car audiothought...
Cheap rca cables.... suck. I had a very good system in a z28. I had
"cheap" rca cables. I then switched to the most expensive stinger wires they had. The difference was like night and day. It was the best cash i ever spent on a car audio. So i aint sure why you would make a comment like you did. Wires make a very big difference. I got to audition some real expensive RCA cables when I was at the Consumer Electronics Show in Vegas one year... The cables were 28000 pr Thats twenty eight thousand dollars....!!!! Funny how NONE, ZILCH, ZERO of these high priced cable companies will ever let us do an A/B comparison.... ha ha |
#13
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need some very specific advice and comments on this car audio thought...
i learned in college the reasons that make top quality rcas better
then low quality. Which college class taught you those lies??? Evidently he took an audio cable class... |
#14
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need some very specific advice and comments on this car audio
I got to audition some real expensive RCA cables when I was at the
Consumer Electronics Show in Vegas one year... The cables were 28000 pr Thats twenty eight thousand dollars....!!!! 28 grand? Holy crap. I had better take out a loan and get me a set of those. I bet it would make my system sound AMAZING!!!!! |
#15
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need some very specific advice and comments on this car audio
28 grand? Holy crap. I had better take out a loan and get me a set of those. I bet it would make my system sound AMAZING!!!!! they contain hidden signals man. the subliminal ones that tell you that your system sounds AMAZING. they also double the value of your car! IMHO decent cables help shield out noise and are more forgiving when ran near power wire and they don't look all beater. Other than that metal is metal like Mark said. I got some zero noise cables for cheap on Ebay and they work well and I didn't pay but slighly more than for ugly rat shack ones. FM mods suck. Just check out XM radio at circuit city or someplace and compare sound from fm modulated xm radio vs. xm ready HUs. That is if you can get an apples to apples comparison using the same HU. Is there like an upgradable stock radio that you can buy that you could hook up a delco cd changer to - that way you stay stock but don't have to do fm modulator. |
#16
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need some very specific advice and comments on this car audio thought...
On Fri, 13 Feb 2004 01:12:41 GMT, Eddie Runner
wrote: i learned in college the reasons that make top quality rcas better then low quality. Which college class taught you those lies??? lies....? that a shielded rca wire will produce a signal more closer to the orignal signal as compared to a rca without shielding.... not much of a lie there.... anyone care to help shed some knowledge on my orignal post? |
#17
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need some very specific advice and comments on this car audio thought...
On Thu, 12 Feb 2004 20:19:59 -0500, "Mark Zarella"
wrote: i learned in college the reasons that make top quality rcas better then low quality. Which college class taught you those lies??? Evidently he took an audio cable class... actully.... i took a class on any and all wires that would be found in a plant/industrial location.... so part of the class was on RCA. And yes some old old plants still have rca's as a form of communication amongest them. |
#18
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need some very specific advice and comments on this car audio thought...
ok... it is obvious people think i lie that my stero sounded better with shielded rca compared to non shielded rca.... great...think i am liar.... thats fine.... you can ignore this thread... i had no intentions of it being about rca wires and the benefits that shielding MIGHT play. thanks for your time and your infinite knowledge on a wire |
#19
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need some very specific advice and comments on this car audio thought...
Evidently he took an audio cable class...
actully.... i took a class on any and all wires that would be found in a plant/industrial location.... so part of the class was on RCA. And yes some old old plants still have rca's as a form of communication amongest them. A wires class? That's original. What college offers that? |
#20
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need some very specific advice and comments on this car audio thought...
ok... it is obvious people think i lie that my stero sounded better
with shielded rca compared to non shielded rca.... great...think i am liar.... thats fine.... you can ignore this thread... i had no intentions of it being about rca wires and the benefits that shielding MIGHT play. thanks for your time and your infinite knowledge on a wire You're welcome. |
#21
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need some very specific advice and comments on this car audio thought...
lies....? that a shielded rca wire will produce a signal more closer
to the orignal signal as compared to a rca without shielding.... not much of a lie there.... Really, how does that work? |
#22
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need some very specific advice and comments on this car audio thought...
thats just it... my cheap rca wasnt shielded...the good stuff was
shielded. Shielded RCAs are a dubious proposition. RCA is an unbalanced signal so the ground reference is typically the shield itself. If you have two conductor cable with an additional shield tied to the low signal, you create a ground loop. You can AC-couple the shield and the ground reference with a capacitor, but the noise reduction is nominal. |
#23
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need some very specific advice and comments on this car audio
IMHO decent cables help shield out noise and are more forgiving when ran
near power wire and they don't look all beater. Not true. The noise caused by running near power wires is due to the magnetic flux caused by the current through the cable. The shield does not isolate the signal wires against the magnetic flux (unless it was made of ferrous material, which it's not), so it doesn't reduce the noise. |
#24
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need some very specific advice and comments on this car audio thought...
wrote in message
ok... it is obvious people think i lie that my stero sounded better with shielded rca compared to non shielded rca.... great...think i am liar.... thats fine.... you can ignore this thread... i had no intentions of it being about rca wires and the benefits that shielding MIGHT play. thanks for your time and your infinite knowledge on a wire Sorry to burst your bubble, don't run off so quick.. Adair |
#25
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need some very specific advice and comments on this car audio
"Darrell Holigan" wrote in message news:QzYWb.298930$xy6.1472981@attbi_s02... IMHO decent cables help shield out noise and are more forgiving when ran near power wire and they don't look all beater. Not true. The noise caused by running near power wires is due to the magnetic flux caused by the current through the cable. The shield does not isolate the signal wires against the magnetic flux (unless it was made of ferrous material, which it's not), so it doesn't reduce the noise. Good to know. So what does the shield do besides physically protect the wire? |
#26
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need some very specific advice and comments on this car audio
Good to know. So what does the shield do besides physically protect the wire? Triple the price of the wire. Paul Vina |
#27
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need some very specific advice and comments on this car audiothought...
ya think it was put on by one of the bull****
cable manufacturers?? ha ha Mark Zarella wrote: i learned in college the reasons that make top quality rcas better then low quality. Which college class taught you those lies??? Evidently he took an audio cable class... |
#28
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need some very specific advice and comments on this car audiothought...
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#29
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need some very specific advice and comments on this car audio
Z Gluhak wrote:
28 grand? Holy crap. I had better take out a loan and get me a set of those. I bet it would make my system sound AMAZING!!!!! they contain hidden signals man. the subliminal ones that tell you that your system sounds AMAZING. they also double the value of your car! for that price you could hire the original musicians....!! FM mods suck. Thats a common thought! But I dont believe ALL FM mods are quite so bad.... When most folks think of FM mods they think of the crappy little devices that transmit an FM signal through the air and then we HOPE our system can pick it up and not be interfered with by an actuall station! YES, many times those really do suck, specially in a big city or near an FM transmitter site. But there are some FM modulators that direct connect to the headunits antenna line, in this case the FM signal from the device does not transmit through the air, it goes directly into the headunit.. AND, the good ones have an on/off switch so that when they are turned on they actually flip a relay that disconnects the outside antenna so it reduces the possibility of strong outside signals competing with the devices signals... I used up all my AUX inputs so I use one of these FM mods for the DVD player in my tahoe and it sounds wonderfull.... It technicly may not be as clean as the aux in, but I really cant tell any difference... Eddie Runner |
#30
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need some very specific advice and comments on this car audio
Darrell Holigan wrote:
Not true. The noise caused by running near power wires is due to the magnetic flux caused by the current through the cable. The shield does not isolate the signal wires against the magnetic flux (unless it was made of ferrous material, which it's not), so it doesn't reduce the noise. Darrell, Typicly in a car the cable doesnt matter if it is sheilded or not, but a few years ago I did some testing of my own and I can measure some definite differences between shielded cables and non-sheilded cables.... Like I say, in a car it probably wont matter, but my test seems to prove your statement in general to be incorrect.... http://www.installer.com/tech/cat5.html Eddie Runner |
#31
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need some very specific advice and comments on this car audiothought...
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#32
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need some very specific advice and comments on this car audio thought...
Eddie Runner
unless of course there are some external forces other than just the audio at work... How fitting it would be to keep that your sig file! |
#33
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need some very specific advice and comments on this car audiothought...
ha ha....
Mark Zarella wrote: Eddie Runner unless of course there are some external forces other than just the audio at work... How fitting it would be to keep that your sig file! |
#34
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need some very specific advice and comments on this car audio
"Eddie Runner" wrote in message
Good write up eddie, I wish it didn't cost so much and everything in audio was balanced, you wouldn't see NEAR as much problems with noise as you do with unbalanced stuff.. I'm currently fighting with some unbalanced outputs on a mixing board in our youth room at church.. I get a wonderful 60hz hum with the flouresent lights on, about to get that takin care of tho.. Adair |
#35
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need some very specific advice and comments on this car audio
First, I'd like to applaud you for using experimentation with actual test
equipment to measure the benefits of different audio interconnects. Too often I see people relying on smoke and mirror arguments, claiming that one cable "sounds better" over another, when for decades we have had the equipment necessary to verify those claims. And I don't doubt your results at all... I do question your conclusion as to *why* the RCAs performed better than the CAT5, because it goes against what I (think I) know about inductive noise. I'd like to try a few experiments of my own actually, signal noise is something that's important in my line of work and I have the test equipment necessary to duplicate your tests as well as add a few of my own which I hope might isolate the cause of the difference. Could you tell me, when you connected the CAT5 cable to RCA jacks, how did you connect them? Did you use two wires, with one conductor tied to the positive terminal and one to the negative? Did you tie half of the conductors to the positive and half to the negative? Also, do you remember if you used the matching conductors in the twisted pair(s) for the positive and negative terminals? Thanks, Darrell "Eddie Runner" wrote in message ... Darrell Holigan wrote: Not true. The noise caused by running near power wires is due to the magnetic flux caused by the current through the cable. The shield does not isolate the signal wires against the magnetic flux (unless it was made of ferrous material, which it's not), so it doesn't reduce the noise. Darrell, Typicly in a car the cable doesnt matter if it is sheilded or not, but a few years ago I did some testing of my own and I can measure some definite differences between shielded cables and non-sheilded cables.... Like I say, in a car it probably wont matter, but my test seems to prove your statement in general to be incorrect.... http://www.installer.com/tech/cat5.html Eddie Runner |
#36
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need some very specific advice and comments on this car audio
"Darrell Holigan" wrote in message
I do question your conclusion as to *why* the RCAs performed better than the CAT5, because it goes against what I (think I) know about inductive noise. I'd like to try a few experiments of my own actually, signal noise is something that's important in my line of work and I have the test equipment necessary to duplicate your tests as well as add a few of my own which I hope might isolate the cause of the difference. Could you tell me, when you connected the CAT5 cable to RCA jacks, how did you connect them? Did you use two wires, with one conductor tied to the positive terminal and one to the negative? Did you tie half of the conductors to the positive and half to the negative? Also, do you remember if you used the matching conductors in the twisted pair(s) for the positive and negative terminals? I'm kinda interested in the same thing.. network cables work because they are working with balanced signals.. I can't see how just grabbing 1,2 or 4 of the wire and tieing them togeather would amount to much if your not working with something that will cancel out any noise on the receiving end... *shrug* Adair |
#37
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need some very specific advice and comments on this car audio
This may be of some interest to you.
http://www.geocities.com/audiotechpa...ractions. pdf Although it's not measuring inductive noise, it does provide a geometrical correlate for various reactance quantities for a number of cables. "Darrell Holigan" wrote in message news:gFhXb.32065$uV3.56843@attbi_s51... First, I'd like to applaud you for using experimentation with actual test equipment to measure the benefits of different audio interconnects. Too often I see people relying on smoke and mirror arguments, claiming that one cable "sounds better" over another, when for decades we have had the equipment necessary to verify those claims. And I don't doubt your results at all... I do question your conclusion as to *why* the RCAs performed better than the CAT5, because it goes against what I (think I) know about inductive noise. I'd like to try a few experiments of my own actually, signal noise is something that's important in my line of work and I have the test equipment necessary to duplicate your tests as well as add a few of my own which I hope might isolate the cause of the difference. Could you tell me, when you connected the CAT5 cable to RCA jacks, how did you connect them? Did you use two wires, with one conductor tied to the positive terminal and one to the negative? Did you tie half of the conductors to the positive and half to the negative? Also, do you remember if you used the matching conductors in the twisted pair(s) for the positive and negative terminals? Thanks, Darrell "Eddie Runner" wrote in message ... Darrell Holigan wrote: Not true. The noise caused by running near power wires is due to the magnetic flux caused by the current through the cable. The shield does not isolate the signal wires against the magnetic flux (unless it was made of ferrous material, which it's not), so it doesn't reduce the noise. Darrell, Typicly in a car the cable doesnt matter if it is sheilded or not, but a few years ago I did some testing of my own and I can measure some definite differences between shielded cables and non-sheilded cables.... Like I say, in a car it probably wont matter, but my test seems to prove your statement in general to be incorrect.... http://www.installer.com/tech/cat5.html Eddie Runner |
#38
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need some very specific advice and comments on this car audio
I'm wondering why balanced lines didn't catch on too. When I had my Denon
DCT950r it had balanced (and unbalanced) outs which worked perfectly with my Phoenix Gold eq232's balanced ins. This was a dead-quiet install. The only difference that I could see in their use of CAT cable was that this stuff was "shielded" Cat 5, IIRC. You couldn't run into Best Buy and grab a length of this stuff, unfortunately, but it WAS available from suppliers who dealt with computer networking guys. Dave "Mark Zarella" wrote in message ... This may be of some interest to you. http://www.geocities.com/audiotechpa...ractions. pdf Although it's not measuring inductive noise, it does provide a geometrical correlate for various reactance quantities for a number of cables. "Darrell Holigan" wrote in message news:gFhXb.32065$uV3.56843@attbi_s51... First, I'd like to applaud you for using experimentation with actual test equipment to measure the benefits of different audio interconnects. Too often I see people relying on smoke and mirror arguments, claiming that one cable "sounds better" over another, when for decades we have had the equipment necessary to verify those claims. And I don't doubt your results at all... I do question your conclusion as to *why* the RCAs performed better than the CAT5, because it goes against what I (think I) know about inductive noise. I'd like to try a few experiments of my own actually, signal noise is something that's important in my line of work and I have the test equipment necessary to duplicate your tests as well as add a few of my own which I hope might isolate the cause of the difference. Could you tell me, when you connected the CAT5 cable to RCA jacks, how did you connect them? Did you use two wires, with one conductor tied to the positive terminal and one to the negative? Did you tie half of the conductors to the positive and half to the negative? Also, do you remember if you used the matching conductors in the twisted pair(s) for the positive and negative terminals? Thanks, Darrell "Eddie Runner" wrote in message ... Darrell Holigan wrote: Not true. The noise caused by running near power wires is due to the magnetic flux caused by the current through the cable. The shield does not isolate the signal wires against the magnetic flux (unless it was made of ferrous material, which it's not), so it doesn't reduce the noise. Darrell, Typicly in a car the cable doesnt matter if it is sheilded or not, but a few years ago I did some testing of my own and I can measure some definite differences between shielded cables and non-sheilded cables.... Like I say, in a car it probably wont matter, but my test seems to prove your statement in general to be incorrect.... http://www.installer.com/tech/cat5.html Eddie Runner |
#39
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need some very specific advice and comments on this car audio
Darrell Holigan wrote:
First, I'd like to applaud you for using experimentation with actual test equipment to measure the benefits of different audio interconnects. I love doing that when I can find the time.... I hate saying something just cause so and so says so... I do question your conclusion as to *why* the RCAs performed better than the CAT5, because it goes against what I (think I) know about inductive noise. Im not sure it is concluded.. !! ;-) I'd like to try a few experiments of my own actually, signal noise is something that's important in my line of work and I have the test equipment necessary to duplicate your tests as well as add a few of my own which I hope might isolate the cause of the difference. the original subject of course included noises in the car, I had a hell of a hard time finding anything noisy enough to make the comparison with. Nothing in the car gave me any noise and I ended up with a big ol neon transformer.... Could you tell me, when you connected the CAT5 cable to RCA jacks, how did you connect them? we used one of the twisted pair, one wire for center and one wire for ground... Did you use two wires, with one conductor tied to the positive terminal and one to the negative? yes Did you tie half of the conductors to the positive and half to the negative? no, we left the other pairs unconnected at either end Also, do you remember if you used the matching conductors in the twisted pair(s) for the positive and negative terminals? im not sure I understand this question.. Eddie |
#40
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need some very specific advice and comments on this car audio
Here is an article from Adire Audio on car cables, you should find it VERY
interesting..... http://www.adireaudio.com/tech_papers/car_cables.htm "Eddie Runner" wrote in message ... Darrell Holigan wrote: First, I'd like to applaud you for using experimentation with actual test equipment to measure the benefits of different audio interconnects. I love doing that when I can find the time.... I hate saying something just cause so and so says so... I do question your conclusion as to *why* the RCAs performed better than the CAT5, because it goes against what I (think I) know about inductive noise. Im not sure it is concluded.. !! ;-) I'd like to try a few experiments of my own actually, signal noise is something that's important in my line of work and I have the test equipment necessary to duplicate your tests as well as add a few of my own which I hope might isolate the cause of the difference. the original subject of course included noises in the car, I had a hell of a hard time finding anything noisy enough to make the comparison with. Nothing in the car gave me any noise and I ended up with a big ol neon transformer.... Could you tell me, when you connected the CAT5 cable to RCA jacks, how did you connect them? we used one of the twisted pair, one wire for center and one wire for ground... Did you use two wires, with one conductor tied to the positive terminal and one to the negative? yes Did you tie half of the conductors to the positive and half to the negative? no, we left the other pairs unconnected at either end Also, do you remember if you used the matching conductors in the twisted pair(s) for the positive and negative terminals? im not sure I understand this question.. Eddie |