On 13 Apr 2016 at 12:05, elden meyer via ARC5 wrote: > Ken and group, > > You might try the 12L8. This is a dual pentode, > somewhat like two of 6G6 or 6AK6 in one bulb. > Not widely used but available in surplus. > > Elden Thanks, Elden. I'll give it a close look. Ken W7EKB