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Old 31st March 2005, 07:21 PM   #21
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just a reminder ...............

grtz

Simon
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Old 31st March 2005, 07:45 PM   #22
SSassen is offline SSassen  Netherlands
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I'm still doubting whether I should, as I've been to a few audio meetings before. In my case there's always the risk of getting into a few discussions with audiophiles that have no engineering background. That's not only prone to give me a headache from having to explain over and over again the simple basics of cables, capacitors, tube and transistor amplifiers etc. but will likely not make me any new 'audiofriends' if I debunk their latest purchases. So I'm undecided still...

Best regards,

Sander Sassen
http://www.hardwareanalysis.com
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Old 31st March 2005, 08:05 PM   #23
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Just sign up and if you decide not to go you have at least a good feeling about having sponsored the DDDIY 2005
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Old 31st March 2005, 08:20 PM   #24
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Quote:
Originally posted by SSassen
I'm still doubting whether I should, as I've been to a few audio meetings before. In my case there's always the risk of getting into a few discussions with audiophiles that have no engineering background. That's not only prone to give me a headache from having to explain over and over again the simple basics of cables, capacitors, tube and transistor amplifiers etc. but will likely not make me any new 'audiofriends' if I debunk their latest purchases. So I'm undecided still...

Best regards,

Sander Sassen
http://www.hardwareanalysis.com

Hi Sander

There will be engineers too

cheers (and see you there ?)
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Old 31st March 2005, 08:25 PM   #25
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Quote:
[i]
Sander Sassen
http://www.hardwareanalysis.com [/B]

Hi

Just checked your article on cable myths: Your assumptions are too limitted.

If you come to DDIY2005 we'll discuss at least 2 more parameters affecting sonical aspects of cables.

cheers
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Old 31st March 2005, 08:36 PM   #26
SSassen is offline SSassen  Netherlands
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Guido?

In the frequency spectrum speaker and interlink cables are used, which typically is 10Hz...40KHz, the only parameters that are in effect are R, C and L per meter/foot, or whatever unit of length you want to use. All other parameters do not have a measurable effect on the signal distributed through the cable and certainly are not audible. But feel free to PM me with some counter arguments, I'm up for a bit of discussion.

Best regards,

Sander Sassen
http://www.hardwareanalysis.com
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Old 31st March 2005, 08:44 PM   #27
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Quote:
Originally posted by SSassen
Guido?

In the frequency spectrum speaker and interlink cables are used, which typically is 10Hz...40KHz, the only parameters that are in effect are R, C and L per meter/foot, or whatever unit of length you want to use. All other parameters do not have a measurable effect on the signal distributed through the cable and certainly are not audible. But feel free to PM me with some counter arguments, I'm up for a bit of discussion.

Best regards,

Sander Sassen
http://www.hardwareanalysis.com

I have a colleague who has a note in his office

"assumption is the mother of all f*ck ups"

meet you in Zutphen for discussion

cheers
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Old 31st March 2005, 09:38 PM   #28
SSassen is offline SSassen  Netherlands
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Guido,

The only properties of loudspeaker cables that are important to their performance in the audio frequency range include:

1. Their series resistance (R), dictated by the crosssection of the cable, the purity of the copper used and the length of the cable.

2. Their characteristic impedance (Z), dictated by the series inductance and parallel capacitance per unit length.

3. Their loss resistance (Rl), dictated by skin-effect losses versus frequency, and dielectric losses versus frequency.

4. Their capacitance (C), dictated by the distance between two cable conductors carrying an opposite charge and their respective surface areas and the dielectric constant of the insulation used.

5. Their inductance (L), dictated by the series inductance per unit length.

All of which are neglectable if you use proper speaker cables, and hardly measurable to have an effect, but certainly not audible.

Best regards,

Sander Sassen
http://www.hardwareanalysis.com
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Old 1st April 2005, 05:11 AM   #29
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Quote:
I'm still doubting whether I should, as I've been to a few audio meetings before. In my case there's always the risk of getting into a few discussions with audiophiles that have no engineering background. That's not only prone to give me a headache from having to explain over and over again the simple basics of cables, capacitors, tube and transistor amplifiers etc. but will likely not make me any new 'audiofriends' if I debunk their latest purchases. So I'm undecided still...
I am an digital/dsp engineer my self and studied analog electronics. So i think you're in the midst of engineers like your self.

grtz

Simon
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Old 1st April 2005, 07:54 AM   #30
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Quote:
Originally posted by SSassen
Guido,

The only properties of loudspeaker cables that are important to their performance in the audio frequency range include:

1. Their series resistance (R), dictated by the crosssection of the cable, the purity of the copper used and the length of the cable.

2. Their characteristic impedance (Z), dictated by the series inductance and parallel capacitance per unit length.

3. Their loss resistance (Rl), dictated by skin-effect losses versus frequency, and dielectric losses versus frequency.

4. Their capacitance (C), dictated by the distance between two cable conductors carrying an opposite charge and their respective surface areas and the dielectric constant of the insulation used.

5. Their inductance (L), dictated by the series inductance per unit length.

All of which are neglectable if you use proper speaker cables, and hardly measurable to have an effect, but certainly not audible.

Best regards,

Sander Sassen
http://www.hardwareanalysis.com
dear Sander,

I am well aware of conductor properties

best regards,
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