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Speaker cables

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Baflar View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Baflar Quote  Post ReplyReply Direct Link To This Post Posted: 11 Aug 2017 at 12:37pm
All great comments!  I'll try summing up:

1.  Proprietory cables will probably produce an improvement over the unbranded 'parallel' cables
2.  The open-platform stands, terminating in castors, are unlikely to be any worse than expensive stands with spikes
3.  Whatever the hoped-for improvement, it has to be tested in situ.

All agreed?! Thumbs Up 
(That sets me up for a mildly obsessive few months! Wacko )

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Richardl60 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Richardl60 Quote  Post ReplyReply Direct Link To This Post Posted: 11 Aug 2017 at 6:18pm
Nearly, as mick says suck it and see (point 2) as this may depend on your insitu installation
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Eric View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Eric Quote  Post ReplyReply Direct Link To This Post Posted: 12 Aug 2017 at 11:02pm
A pair of Spatia speaker cables will soon be tested by me.
Opus3 Continuo with Opus3 Cantus parallel tracking tone arm - ZYX R100 Fuji - Elevator EXP MC Step-up - Vacuum Tube Audio PH16 - Vacuum Tube Audio SP14 - April Music Eximus S1 - Magnepan 3.3/R
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Graham Slee View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Graham Slee Quote  Post ReplyReply Direct Link To This Post Posted: 13 Aug 2017 at 1:59am
The need for low capacitance speaker cables came about through the success of a major brand in amplifiers, and the many which followed in their footsteps. These amp manufacturers had decided that output inductors were plain wrong. That by removing them it would "improve" the sound.

It then occurred to them that their amplifiers were blowing because the speaker cable capacitance was "too high". Because these amplifiers had sold in the many thousands there was a ready market for low capacitance speaker cable. All what was needed was some clever marketing, and the press obliged.

Output inductors as well as zobel networks (a capacitor and a resistor in series across the output prior to the output inductor) had served the purpose of isolating amplifiers from output capacitance historically. They were used to preserve phase (and gain) margins to prevent oscillation or a lesser form of instability known as "ringing". These operated far above the audible spectrum, but still it was thought (and with some it still is) that the speakers should be "given" much higher frequencies because we will hear the difference.

Yes, we do hear the difference between a stable amplifier and one that rings. I doubt that much power will be developed in any dynamic tweeter because like all wound components they have inductance such that their impedance increases considerably with frequency. So we are not hearing more - we are hearing the difference between stability and instability - and instability is marketable.

One thing I have noted is that an unstable circuit wears out electrolytic capacitors - shortens their life - and I have also noticed that such amplifiers require "re-capping".

One more thing regarding an earlier comment: wide spacing of speaker cable conductors, whilst reducing capacitance considerably, increases inductance. Therefore the removal of the output inductor from the amplifier is simply being replaced by cable inductance. It is "kicked down the road".

The thing about proper education is it destroys myths/false beliefs. That's if you can find a proper education.
There are only two things to stop you being a success in life and they're both called Google - Notions are not solutions!
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