While the DM160 was the first "VFD" (about 1958), Noritake claim the invention of the digit display.
Their web site is a goldmine of information - start with https://www.noritake-elec.com/technology/general-technical-information/vfd-operation They also produce a VFD variant that is specifically designed for audio use: the NuTube 6P1, see http://www.nutube.us/ - that's the USA distributor - it's actually Pete Millett, who some here may know for his many DIY audio designs. Nick -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to neonixie-l+unsubscr...@googlegroups.com. To post to this group, send an email to neonixie-l@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/829eab5b-04cd-41db-bb44-edf5d44f36b5%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
