Jonathan Valin of The Absolut Sound concluded (TAS April 2020):
"...I could happily live with the Foundations, which give you approximately 35-40% of what the Crystal Cables Ultimate Dreams offer, for sixty-five-times less dough! If that isn’t a bargain, I don’t know what is. One of the highest-fidelity budget wires I’ve heard, Foundation obviously comes enthusiastically recommended..."
Rick Becker of Enjoy The Music wrote (January 2020):
"...Synergistic Research is clearly on the cutting edge with their flagship Galileo line and new SRX power cable. The new Foundation Series cables are ample evidence of trickle down technology designed to capture new customers at price points where a lot of audiophiles call home. Dressing my gear with a complete loom from sources to speakers produced a consistency of sound among the different sources and easily revealed the differences when other components were swapped into the rig. I was skeptical that the Foundation cables would make such an improvement in my system, yet they have replaced cables that cost far more and taken my music far higher. Combined with a handful of their fabulous Orange Fuses, a $2000 to $3000 investment toward Synergistic Research's Foundation cables has taken my mid-five-figure rig well into six-figure territory. That's real value and an admirable feat!"
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The Absolute Sound's Buyer Guide 2020 - 50 Greatest Bargains in High-End Audio:
"...Jonathan Valin wasn't expecting much- and certainly not this much-from Synergistic Research's immensely pliable, bargain-basement Foundation Series interconnects and cables, which are far slimmer, lighter, and less sophisticated in design than their rich relatives, the superb Galileo SXes. But, trust him, sonically the Foundations come way closer than shouting distance to the Galileos. Indeed, these two SR lines have a great deal in common-rich vibrant tone color, robust dynamics, spacious staging, lifelike imaging, high resolution. Oh, the more sophisticated Galileos are less bottom-up in balance, more finely detailed, and harder-hitting than foundation: then again, they ought to be-the cost ten-to-twenty times the dough. Put plainly, the Foundation Series is the best budget-priced wire Jonathan Valin has heard-and one of his references..."