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I went out to check the tube in this set today....While there...I discovered this set TOO has that " weird tall plastic white ovalish fuse" in it.
As for the CRT...as I EXPECTED...it was ASLEEP. Likely this set has nOT been run in OVER 20-25 YEARS....maybe LONGER..
But...it DID wake up. and WITHOUT having to be rejuvinated too !! I ran it at about 7.8 or so volts for maybe 5 minutes...then loet it down...
At FIRST...it DID drop back down...BUT as time went on...it DID come up to green..and farther into it...as time went on. Cutoff is VERY good---with PLENTY of "reserve room" left too.
I was FINALLY able to get the tube to come up to the green range a somewhat into it...at FIVE volts on the fil...from a COLD start !! SO...I do beleive this tube is QUITE good. In the end...it will go up only a BIT farthert into the green zone at 6.3v...than it does at five volts. Life test is also pretty good...it does NOT drop much..even after 15-20 seconds..
Pictures of results below....
first meter reading...emissions at 5 volts.
Second meter reading..emissions at 6.3 volts..
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