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Chip Amps Amplifiers based on integrated circuits

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Old 24th August 2005, 09:11 AM   #21
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In this topic we share about internl wiring cable. Because internal wiring cable give some effect in our GC's.
As far i know, CAt-5 cable similiar to UTP cable,is it right??UTP cable is a solid twisted cable, is it ?
I'm still confused about the different between stranded cable and solid cable, what is the different?
Is stranded equal to metal fibre?
What about using coil wire and twisted that coil wire become internal wiring cable?
I'm worried about EMI, because i use EL transformator.
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Old 24th August 2005, 09:49 AM   #22
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I think that the input cable should be using shielded cable to prevent from EMI. Because if EMI or noise injected, it will gain to 30x(according to ur gain) and give you a loud noise. And the output cable should be sufficient to deliver current (without make that cable melt).
Usually i use a bigger wire for ground than + signal.
I think that internal wiring cable is very important to get the best gainclone sound.
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Old 25th August 2005, 07:01 AM   #23
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Quote:
Originally posted by thomgun_lc
In this topic we share about internl wiring cable. Because internal wiring cable give some effect in our GC's.
As far i know, CAt-5 cable similiar to UTP cable,is it right??UTP cable is a solid twisted cable, is it ?
I'm still confused about the different between stranded cable and solid cable, what is the different?
Is stranded equal to metal fibre?
What about using coil wire and twisted that coil wire become internal wiring cable?
I'm worried about EMI, because i use EL transformator.

I work with generators among other things for a living and I have learned (from the Ugly's electrical reference) that solid wire is actually better for carrying current. However I can attest to the fact that is is downright impossible to work with with the larger gauges. Keep in mind that we use wire from 1/0 (1 ott) to 4/0 (ott) cable for most generator wiring. If those cables were not stranded it would be pretty much impossible to handle them because they are not going to flex for you.

Now I'm a newbie but I have saw the post about using Coaxial cable and grounding the shielding to avoid EMI. I instantly wondered why you could not use a insulated wire and then twist bare copper wire around it and ground it to the chassis. I'm sure their is a reason why no one does this but I thought it may help with interfearance.
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Old 25th August 2005, 12:37 PM   #24
troystg is online now troystg  United States
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Steve @ apexjr.com has silver plated copper w/ Teflon insulation in co-ax and shielded twisted pair cheap enough for ANYONE to afford and experiment with.

I use the co-ax for short runs and the twisted pair for longer (>1 ft.) runs. Works fabulous.

Why compromise when a properly designed cable is available inexpensively? Retail, I would not be able to touch the stuff, but surplus is a great thing!!

EDIT: Oh yeah, he has it in larger sizes also for pwr and output wiring. I use the 14ga for internal pwr and the 16 for connection to the binding posts.
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Old 26th August 2005, 07:31 AM   #25
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How about this:
1.Input wiring cable (input terminal --->GC circuit):using shield cable such as microphone cable
2. Output wiring cable(GC circuit---->output terminal):using solid cable/twisted solid cable without shield.

In my GC i use microphone cable for all wiring cable, exceptower supply cable.
Maybe i want to change to solid cable from GC circuit to ouput terminal.
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Old 26th August 2005, 12:55 PM   #26
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You definately want a heavier gauge than microphone cable going to your speakers! Even house electrical wiring should better than that when the volume is turned up -- assuming you could actually solder it to the board.

Solid, stranded, whatever -- that's less important in this application than the wire gauge.

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Old 27th August 2005, 03:56 AM   #27
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Last night i read "what-hifi" magazine and i saw there was interconnect cable (audioquest) using external active circuit to bias that cable. So, by using that cable(with electronic circuit), we don't need to burn-in that cable and that cable always ready to deliver sound although ur amp is shut down.
And i want to know how the electronic control devices work(its attach to interconnect cable and using 12v battery,small like a pencil).
Interested?
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Old 27th August 2005, 04:52 AM   #28
maf_au is offline maf_au  Australia
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Quote:
Originally posted by thomgun_lc
So, by using that cable(with electronic circuit), we don't need to burn-in that cable and that cable always ready to deliver sound although ur amp is shut down.
Heh.

That will sell well. I'm getting sick of kick-starting my speaker cables everytime I want to listen to music. Does it come with a remote so you can shut the cables down when you go away on holidays?

Imagine a cable that's ready to transmit electricity anytime you want! What will they think of next?

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Old 28th August 2005, 03:25 AM   #29
troystg is online now troystg  United States
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Quote:
Originally posted by thomgun_lc
.....And i want to know how the electronic control devices work(its attach to interconnect cable and using 12v battery,small like a pencil). .....
Interested?

It is "just" a battery putting a charge on the dielectric. There is no circuit or continuity to speak of. They are using the battery as a space charge for the entire length of the cable.

I have not yet auditioned it, but the theory holds merit.
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Old 29th August 2005, 09:46 AM   #30
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wow!it's only using battery to bias that cable, very interesting for me. But i still don't know what effect for the sound
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