Hi Rob - thanks for your reply.
In a word - no. The metallizing is from the Bakelite (?) base to half way up the envelope; similar to a 6P25. This metallizing is the traditional grey - which I usually associate with an "R.F. type" of valve - not an A.F. output type. Hence my puzzlement.
Al.
In a word - no. The metallizing is from the Bakelite (?) base to half way up the envelope; similar to a 6P25. This metallizing is the traditional grey - which I usually associate with an "R.F. type" of valve - not an A.F. output type. Hence my puzzlement.
Al.
