Tim Wescott wrote:

snip
2: There are any number of hot-rod DSP chips that'll fit into a T6-1/2
envelope, complete with ADC's, DAC's and a power supply to run off of
6.3VAC. Sealing the glass up without messing up the DSP may be a
challenge, but you could always fudge and use acrylic.


This would be a new acme in solid-state (Fetron-style) replacements

Michael