20-03-2011, 07:22 PM
Guys
Tony has supplied me with the schematic and some thoughts for his design, which I intend to build (parts obtained).
Tony mentioned in his emails that the voltage reg runs hot. So some thoughts for Tony.....
1 I intend to put a volt meter in the LT supply to read the voltage output so the filament voltage can be varied, depending on the set.
2 If the filament voltage is raised the heat will be greater.
so, If I put a big heat sink on and use a switched 240v cooling fan in a large case which is ventilated.
Question is do I need the cooling fan?
cheers Mark
Tony has supplied me with the schematic and some thoughts for his design, which I intend to build (parts obtained).
Tony mentioned in his emails that the voltage reg runs hot. So some thoughts for Tony.....
1 I intend to put a volt meter in the LT supply to read the voltage output so the filament voltage can be varied, depending on the set.
2 If the filament voltage is raised the heat will be greater.
so, If I put a big heat sink on and use a switched 240v cooling fan in a large case which is ventilated.
Question is do I need the cooling fan?
cheers Mark
Keep on Fiddling!
