Sep 302018

Duelund 600V DCA20GA

I wanted to give you a heads up that the new Duelund 600V DCA20GA tinned-copper tone wire is now available at Parts Connexion.

The price of the 600V Duelund DCA20GA is $5.99 USD per meter, but is on sale now for an introductory period for $3.99 USD per meter.

The 600V DCA20GA tinned-copper tone wire uses the same stranded tinned-copper tone wire conductors as the regular DCA20GA tinned-copper tone wire that I wrote about in my review for Positive Feedback in Issue 92, which is constructed using 26 strands of 0.15mm diameter tinned-copper wire.

Until now, all of the Duelund DCA tinned-copper tone cables / wires used the same oil-soaked and baked cotton dielectric, but Frederik at Duelund also wanted to add a 600V DC-rated line of DCA tinned-copper wires that could be used as hookup wire in electronics where higher voltages are present, as in power supplies, for example.

The new 600V Duelund dielectric that Frederik developed is called PolyCAST. Per the Parts Connexion description, PolyCAST is “… a unique thermoplastic resin composite, which emulates Duelund’s “Signature” CAST process”, which means it is similar to the deluxe CAST damping material that is used in the Duelund CAST capacitors, inductors, and resistors.

The new Duelund 600V DCA20GA for use as hookup wire in wiring components internally.

Frederik sent me some of the new Duelund 600V DCA20GA tinned-copper tone wire to try in various applications, so I’ll be reporting on that as I get a chance to try it.

I’ll be giving the Duelund 600V DCA20GA tinned-copper tone wire a try in the Duelund-Altec Project that is in the works now, and I’ll likely try making some interconnects with it, as I am also curious how it sounds as a lower-voltage signal cable.

Also, very soon the Duelund 600V DCA12GA tinned-copper tone wire will be available, so I’ll let you know as I hear more about that.

Ok, that’s it for now!

As always, thanks for stopping by, and may the tone be with you!

 Posted by at 6:03 am

  6 Responses to “New Duelund 600V DCA20GA tinned-copper tone wire now available at Parts Connexion!”

  1. Jeff,
    This new cable sounds very interesting. Will it finally be possible to make some power cables using this new wire?



    • Hi Simon,

      The intent is that the 600V DCA12GA cables can be used for power cables, and I’ll probably be giving it a try for that at some point in the future.

      Kind regards,


  2. Hi Jeff,

    I hope these cables will sound in the middle between DCA20GA and DCA16GA in term of a tonal balance as interconnect.
    I have long run (50cm) cables between input RCA and input selector in my integrated 300B amplifier.
    Now I’m using Neotech 22awg LEGENBURG Rectangular Wire. But I’m planing to use Duelund Cu-Sn instead.


    • Hi Alex,

      I don’t really know what the 600V DCA20GA sounds like yet either.

      I’m busy getting the Duelund-Altec Project crossovers breadboarded with the new Duelund CAST Sn-Cu components, and writing reviews, but when I get some free time I’ll give it a try as a pair of RCA interconnects.

      If you get there before me be sure to let me know your impressions.

      Kind regards,


  3. Hi Jeff,

    How flexible is this cable? compared to the oil/cotton one? If its similar or more flexible id give it a go as headphone cables, I found tbe cotton/oil wasnt very durable for headphone cables (it wore through!)

    • Hi Joe,

      The 600V DCA20GA is similar to the regular DCA20GA, but is a little bit stiffer. I suspect it might work pretty well for your headphone cables.

      If you decide to give it a try let me know how it works out for you and what you think of its performance.

      Kind regards,


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