Optima Gold-Plated 9-46 Electric Guitar Strings
Optima makes strings with real 24 karat gold!  The German company has been manufacturing guitar strings for over 75-years, developing and producing their strings completely in their factory in Germany.  They use absolutely the best possible materials, literally.
Gold is one of the densest of all metals, it’s malleable but also virtually indestructible.  It’s a great conductor of heat and electricity, and gold is chemically inert making it impervious to tarnishing or corrosion where other metals could be… see where we’re going with this?
Yes, Gold strings offer potential for the best guitar tone you can imagine and unparalleled durability.  In these sets the plain/non-wound strings are made from nickel-plated steel which are then coated in 24k gold.  The wound strings use a tinned-steel hex core with a gold-plated braided wrap wire.
What do they sound like in the real world?  Amazing!  They have a natural resonant brilliance unlike anything I’ve heard and full, rich, and warm tone.
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PS. These are perfect for players who suffer with a nickel allergy.