kodera2tNow the kit including all parts are on sale at tindie.com, please don't miss it if you have some interest for it! Initial 4-unit will be shipped immediately and another 4 unit will be shipped in a few days.
Now my Nutube headphone amplifier kit on-sale
A project log for Amplifier project by Nutube, a new vacuum tube!
You know VFD, but may not know this VFD. It can amplify signal!! Yes, it is a TRIODE!!
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