Cable question.

pre65 · Post by **pre65** » Fri Nov 30, 2012 11:54 am

Need some advice on single core screened cable for amp/pre amp input.

I've been using Belden video brilliance cable that I got from Mike Homar but I've run out and am looking for an alternative thats

A) availiable in shortish lengths (ie not a complete roll)

B) is easy to work with (ie stripping the braids to connect up)

C) performs well and is not to big in dia, 4 mm OD is nice.

Any suggestions ?

Mike H · Post by **Mike H** » Fri Nov 30, 2012 3:33 pm

I presume you mean like internal wiring? Not inter-connects?

Think it's this stuff I tend to use, alright if not very long I think.

http://www.maplin.co.uk/twin-individually-screened-130

Uncomplicated and dead easy to strip.

pre65 · Post by **pre65** » Fri Nov 30, 2012 3:39 pm

Mike H wrote:I presume you mean like internal wiring? Not inter-connects?

Think it's this stuff I tend to use, alright if not very long I think.

http://www.maplin.co.uk/twin-individually-screened-130

Uncomplicated and dead easy to strip.

I onlt need one core Mike, yes it's for internal wiring, mainly from input phono to pot.

Mike H · Post by **Mike H** » Sat Dec 01, 2012 2:05 pm

So, separate it into singles!

Seemples ...

pre65 · Post by **pre65** » Mon Dec 03, 2012 11:19 am

Could use this ? Only one braid to deal with, not a problem if both conductors are joined.

http://www.maplin.co.uk/high-grade-over ... ideo+Cable

simon · Post by **simon** » Mon Dec 03, 2012 12:31 pm

You could try semi-balanced with that cable Phil? One core signal, the other earth, and the braid connected to earth at one end only. Whether it's any better that way is another matter.

pre65 · Post by **pre65** » Mon Dec 03, 2012 12:39 pm

Choices, choices.

pre65 · Post by **pre65** » Wed Jan 02, 2013 4:57 pm

Another cable question.

I've connected the new pre to my 811a amp and I got hum.

The hum was not the 811a amp, cos it was OK with inputs shorted. If I tried my inline attenuators at the pre end it did not make much difference, but if I tried them at the amp end the hum went.

So, does that mean the interconnects are picking up hum ?

Perhaps I will make up a pair of semi balanced leads like Simon suggested and see if it's the same both ways round.

Mike H · Post by **Mike H** » Wed Jan 02, 2013 10:13 pm

It's possible.

I have these 7 metre long ones cos the power amp's by 'tother wall of the room, they run alongside mains cables etc., it only works because the source is very low output impedance. Plus they're originally intended for stage mics I think, which doubtless helps a lot. Lots of screening.

Paul Barker · Post by **Paul Barker** » Wed Jan 02, 2013 10:36 pm

Phil, just a thought, have you got a pacemaker?

pre65 · Post by **pre65** » Wed Jan 02, 2013 10:43 pm

Paul Barker wrote:Phil, just a thought, have you got a pacemaker?

Not yet.

It's strange, cos DTB had one of his amps doing silly things some while ago at mine.

Must be my psychic energy.

Paul Barker · Post by **Paul Barker** » Wed Jan 02, 2013 11:05 pm

Diana comes in the room and the tv signal goes to pot. but I can't hear my amps hum over the sound of her hoover.

Mike H · Post by **Mike H** » Thu Jan 03, 2013 1:58 pm

That implies that she is permanently accompanied by a switched on hoover

Paul Barker · Post by **Paul Barker** » Thu Jan 03, 2013 8:08 pm

Music

Mike H wrote:is permanently accompanied by a switched on hoover

pre65 · Post by **pre65** » Fri Jan 04, 2013 9:54 pm

While I'm working out what cable to buy (looking at shielded pairs from Navships-USA) what phono plugs would be recommended ?

I don't want silly expensive, but not cheap and nasty either.

audio-talk

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