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uk.rec.audio (General Audio and Hi-Fi) (uk.rec.audio) Discussion and exchange of hi-fi audio equipment.

Speaker Wire advise pls



 
 
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  #1 (permalink)  
Old September 16th 06, 10:16 PM posted to uk.rec.audio
Andy Hewitt
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Posts: 31
Default Speaker Wire advise pls

Eiron wrote:

Wally wrote:

Maplin's heavy duty speaker cable at about 12 quid for a 20m drum should be
just fine...

http://www.maplin.co.uk/module.aspx?...No=49&doy=16m9


Farnell's 79 strand cable (2.5mm^2) at 30 quid for a 100m drum is better.


http://uk.farnell.com/jsp/search2/br...3937+183353&_r
equestid=78797


Blimey, I don't think I've ever seen such consistant replies on the
subject of speaker cable.

I just fitted up my Castles to the Yamaha amp with some cable from CPC
(aka Farnell), I got two rolls of 50m, but used 6mm/sq for the bass, and
4mm/sq for the treble. It was cheap enough, and being on a roll I just
made the runs the same length. The whole lot was bout £50, and they
sound bloody fantastic. Indeed my mate has heard them and now wants a
similar system and he runs a recording studio (and uses the cheapest and
thickest cable he can get).

--
Andy Hewitt
http://www.thehewitts.eclipse.co.uk/
http://web.mac.com/andrewhewitt1/
  #2 (permalink)  
Old September 16th 06, 10:31 PM posted to uk.rec.audio
Wally
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Posts: 513
Default Speaker Wire advise pls

Andy Hewitt wrote:

Blimey, I don't think I've ever seen such consistant replies on the
subject of speaker cable.


It probably won't last...


I just fitted up my Castles to the Yamaha amp with some cable from CPC
(aka Farnell), I got two rolls of 50m, but used 6mm/sq for the bass,
and 4mm/sq for the treble. It was cheap enough, and being on a roll I
just made the runs the same length. The whole lot was bout £50, and
they sound bloody fantastic. Indeed my mate has heard them and now
wants a similar system and he runs a recording studio (and uses the
cheapest and thickest cable he can get).


Is your set-up bi-amped?


--
Wally
www.wally.myby.co.uk
You're unique - just like everybody else.


  #3 (permalink)  
Old September 16th 06, 11:08 PM posted to uk.rec.audio
Andy Hewitt
external usenet poster
 
Posts: 31
Default Speaker Wire advise pls

Wally wrote:

Andy Hewitt wrote:

Blimey, I don't think I've ever seen such consistant replies on the
subject of speaker cable.


It probably won't last...


I just fitted up my Castles to the Yamaha amp with some cable from CPC
(aka Farnell), I got two rolls of 50m, but used 6mm/sq for the bass,
and 4mm/sq for the treble. It was cheap enough, and being on a roll I
just made the runs the same length. The whole lot was bout £50, and
they sound bloody fantastic. Indeed my mate has heard them and now
wants a similar system and he runs a recording studio (and uses the
cheapest and thickest cable he can get).


Is your set-up bi-amped?


No, although I have wired it to the seperate speaker outlets. I only
used this setup because the Castles didn't come with the connection
bridges.

--
Andy Hewitt
http://www.thehewitts.eclipse.co.uk/
http://web.mac.com/andrewhewitt1/
  #4 (permalink)  
Old September 16th 06, 11:52 PM posted to uk.rec.audio
Wally
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Posts: 513
Default Speaker Wire advise pls

Andy Hewitt wrote:

Is your set-up bi-amped?


No, although I have wired it to the seperate speaker outlets. I only
used this setup because the Castles didn't come with the connection
bridges.


So, why are you using two runs of cable to each speaker?


--
Wally
www.wally.myby.co.uk
Things are always clearer in the cold, post-upload light.


  #5 (permalink)  
Old September 17th 06, 12:01 AM posted to uk.rec.audio
Andy Hewitt
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Posts: 31
Default Speaker Wire advise pls

Wally wrote:

Andy Hewitt wrote:

Is your set-up bi-amped?


No, although I have wired it to the seperate speaker outlets. I only
used this setup because the Castles didn't come with the connection
bridges.


So, why are you using two runs of cable to each speaker?


Not sure I understand your question! Are you testing me, or do you not
understand the principle of biwiring?

--
Andy Hewitt
http://www.thehewitts.eclipse.co.uk/
http://web.mac.com/andrewhewitt1/
  #6 (permalink)  
Old September 17th 06, 12:13 AM posted to uk.rec.audio
Wally
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Posts: 513
Default Speaker Wire advise pls

Andy Hewitt wrote:

So, why are you using two runs of cable to each speaker?


Not sure I understand your question! Are you testing me, or do you not
understand the principle of biwiring?


To be honest, I don't think the reason that bi-wiring might be better has
ever been explained to me in a way that I can take on board (with what
limited knowledge of physics and electricity that I have). Seems to me that
the effect of having the short between each run at the amp rather than the
speaker is so minimal that it's not worth bothering with. So far as I can
see, the only tangible difference is the addition of a small amount of
resistance in the circuit where the straps were on the backs of the
speakers. Like, 0.05 ohms, maybe.

If I'm missing something, I'd be interested to hear about it.


--
Wally
www.wally.myby.co.uk
If it ain't broke, fix it until it is.


  #7 (permalink)  
Old September 17th 06, 08:40 AM posted to uk.rec.audio
Andy Hewitt
external usenet poster
 
Posts: 31
Default Speaker Wire advise pls

Wally wrote:

Andy Hewitt wrote:

So, why are you using two runs of cable to each speaker?


Not sure I understand your question! Are you testing me, or do you not
understand the principle of biwiring?


To be honest, I don't think the reason that bi-wiring might be better has
ever been explained to me in a way that I can take on board (with what
limited knowledge of physics and electricity that I have). Seems to me that
the effect of having the short between each run at the amp rather than the
speaker is so minimal that it's not worth bothering with. So far as I can
see, the only tangible difference is the addition of a small amount of
resistance in the circuit where the straps were on the backs of the
speakers. Like, 0.05 ohms, maybe.

If I'm missing something, I'd be interested to hear about it.


No, it's nothing to do with resistance, it to do with the fact that each
speaker can be moving at different speeds and directions. From this
there is a chance that the woofer can send distortion up the cable and
interfere with the tweeter frequencies. You use a thick cable to the LF
to send raw power. The tweeter needs a cleaner signal, so you use a
thinner cable for that. By connecting the cables at source, and
separating them at the speaker, there is enough time to prevent the
interference.

On a proper bi-wirable speaker, you actually feed the crossover points
separately, so the signals don't actually mix. If you bridge the
connections, you turn it into an ordinary speaker.

I read an article about this in a pro magazine somewhere, but can't
remember the exact details now, but that was the general gist of it.

Of course whether you can hear the difference or not is a personal
preference.

--
Andy Hewitt
http://www.thehewitts.eclipse.co.uk/
http://web.mac.com/andrewhewitt1/
  #8 (permalink)  
Old September 17th 06, 09:13 AM posted to uk.rec.audio
Jim Lesurf
external usenet poster
 
Posts: 3,051
Default Speaker Wire advise pls

In article , Wally
wrote:
Andy Hewitt wrote:


So, why are you using two runs of cable to each speaker?


Not sure I understand your question! Are you testing me, or do you not
understand the principle of biwiring?


To be honest, I don't think the reason that bi-wiring might be better
has ever been explained to me in a way that I can take on board (with
what limited knowledge of physics and electricity that I have)


Does

http://www.st-andrews.ac.uk/~www_pa/...ire/Page1.html

help?

So far as I have been able to tell, bi-wiring has little or no effect in
the circumstances I expect to be normal in domestic situations.

I note that one of the cable manufactuers use the brand name "shark". Are
they trying to tell us something, I wonder?... :-)

Slainte,

Jim

--
Electronics http://www.st-and.ac.uk/~www_pa/Scot...o/electron.htm
Audio Misc http://www.st-and.demon.co.uk/AudioMisc/index.html
Armstrong Audio http://www.st-and.demon.co.uk/Audio/armstrong.html
Barbirolli Soc. http://www.st-and.demon.co.uk/JBSoc/JBSoc.html
 




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