Willsenton R300: New issues found.

In this video I go over a new problem I found related to this amp being hyper sensitive to the specific tube used, and we aren't talking about "tube rolling". I've seen this before and this issue could likely account for various reports on this amp. With a cherry picked set of tubes, it performs vastly different than it does with another identical set of tubes of the same brand/vintage.

You can see the similarity in what is going on with this amp and my own 300B amp design in this video. In mine it was more extreme because it has no negative feedback to control distortion.

   • 300B DIY Budget Tube Amplifier Build ...  

The 300B is a classic direct heated triode that some say is the best sounding audio tube ever made. This amplifier has gotten a lot of positive reviews from YT influencers in the audiophile world and I'm excited to see if this amp lives up to all the hype that has been created around it.

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