The price seems very reasonable, and it isn't doing anything fancy that might cause amp instability. I would like to try the Van Damme UP-LCOFC cable with either 4 mm2 or 6 mm2 conductors. Cable from the likes of Chord is (i) eye-wateringly expensive and (ii) completely unsuitable. The upside is that unsuitable cables tend to be very expensive, and Linn K10 and K20 (which are suitable) are very reasonably priced, Witch Hat R2 a bit more expensive, and then Naim NACA 5. You can argue that this is stupid design on the part of the late Julian Vereker and his successors, but it is what it is, and Naim amps, paired with suitable speaker cable, sound remarkably good. However, when it comes to Naim power amps, the speaker cable is incorporated into the design of the amp: you can't separate the two: if the cable has too low an inductance or too high a capacitance then the output stage of the amp becomes unstable (and Naim power amps have no output protection), as reported here, "Finally, I discovered that 10' runs of bi-wired AudioQuest Green caused the 140 power amplifier to oscillate, necessitating my use of single-wired Naim speaker cable". Please use the "search" function at the top right-hand corner of the page, and you might also want to investigate the subforum "AUDIO Reference Library", here:Ĭlick to expand.Generally speaking, so long as a speaker cable has a nice low resistance, that's all that's required (when I was a student and QED 79-strand cable had first appeared, a local electronic components shop started selling a generic 79-strand cable at a fraction of the price, and it worked just fine. Warranties are like parachutes you hope you never need one, but if you do, you need one that works. What's important is that you purchase from a known good manufacturer, and that they have a good guarantee or warranty. I would say that any good Class D amplifier of 250W at 4 ohms is adequate. So yes, you need some "oomph" in your amp.
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