There are a handful of us with Alpha's that enjoy the sound of the low cost Yugo tubes and they allow you to afford other recommended tubes at the same time.Happy listening.
I was considering selling my Alpha until I tried a pair of Mullard CV4004s. These are the tubes that Upscale Audio recommended to me. I was surprised how this little DAC came alive after they had time to break in. A substantial upgrade over the stock tubes...
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