Best 12AX7 for CAL Alpha


anybody use one of these, if so what tubes work best, thanks for any info
mkaes
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.
Best bet is to go shopping at www.upscaleaudio.com. Lots of options; your end decision will depend on the desired sound.
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...
I agree the Mullard CV4004's are great! I also liked the Telefunken(ribbed plate) 12ax7's.