SegaCD
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- Nov 26, 2018
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Typical of Hypex builds, the capacitors are not tier one. They are made by Korean company SAMWHA:
Fortunately they are all rated at 105 degree C which is as it should be (rather the lower grade 80 degree C).
SAMWHA (a Samsung subsidiary) capacitors are notorious for being spec'd higher than they actually are and for having relatively short lifespans.
Samsung TVs use SAMWHA caps exclusively (obviously) so there is a large, consistent sample size to support this. The number of Samsung TVs with failed caps in the PSU is atrocious. Also, a lot of complaints of out-of-the-box "excessive plasma buzz" on Samsung plasma TVs could be resolved by replacing the caps on the high-voltage filter section of the x-main & y-main boards, proving that they were out-of-spec from the factory!
Its a shame that NAD couldn't couldn't get Hypex to use better caps (i.e. Nichicon, Rubicon) especially at this price-point... I'm more than slightly worried that many of these will fail prematurely as a result (or, at least, the capacitors may be hindering the performance of an amplifier that already measures wonderfully).
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