Yaqin MS300-C Insides

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Inside Yaqin MS-300C tube amplifier

MS-300C capacitor replacement stage one

Added inexpensive Solen Fast Caps in the signal path, plus a bypass capacitor on the second set of large capacitors on the power supply after the rectifier.
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Published: by POLITUSIC | Updated: 12-14-2018 16:28:25
Article Excerpt:
 Final update to Yaqin MS-300C review(s): finally got some Gold Lion PX300B tubes & AudioCap Theta capacitors: About 2 years from the original purchase and the upgrades/changes listed below, I broke open the penny jar, found a good deal from VivaTubes, and replaced the stock PSVanes with Genelex Gold Lion PX 300B tubes… and since it was close enough to Christmas, some AudioCap Theta capacitors from PartsExpress. I’m only 30 hours...