Quote:
Originally Posted by dieseljeep
I had the larger model of the scope. I just bought it for parts, as the seller said the power transformer was shot, which it was.
I was surprised to see them using a 5Y3 instead of a 1V2, that most tube scopes used.  |
When I was in high school, I had an old Eico 425 that also used a 5Y3 as a hv rectifier... tube layout was very similar except it use octal tubes like 6SN7, 6J5 instead of the smaller 7 & 9 pin tubes in this Simpson 'scope. Extremely basic 'scope, using a 5BP1 CRT.
jr
01-30-2017, 01:12 PM
Threaded Mode