The burn in time will
takes about 1 days for components and about one month for tube.
The tube will be a big issue in this process. The installed tube GE 5670, date
coded 1987, is the last generation of western industry, the golden tube
ages. In fact is a good tube but need quite a long time to burn in and
aging. The famous tube are all about 1950s' tube as they were well aging
already just need burn in.
The tube, I will not recommend any since it depends majorly in taste.
However, I will say that the western tubes are quite good due to their materials
used in making tube and not recommend recent produced tube like Russian or
Chinese 6N3 due to wrong materials are used.
WE396A (D getter, JW Military version)
WE2C51 (D getter, JW Military version)
Bendix 6385 (expensive)
Tesla 6CC42 (D getter, rare but sometimes will show up in the market)
JJ 6386 (expensive,
WE396A/2C51 (O getter)
Tesla 6CC42 (O
getter, rare but sometimes will show up in the market)
Tung-sol 2C51 (they invent this tube, 1950s, D getter)
Raytheon CK5670 (1950s, D getter)
RCA 5670 (1950s, D/Plate 2 supporting rod getter)
GE 5670 (3 mica structure, mostly 5 stars tube)
3rd class, (after 1960s)
Sylvania 5670 (sometimes marked Mullard)
Russian and Chinese 6N3P, -E, -EB, -EV
Designer of the team Mhdt Labs
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