545: Difference between revisions

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==Internals==
==Internals==


Early 545 units have [[selenium rectifiers]].  Later units have silicon rectifiers.
Early 545 units have [[selenium rectifiers]].   
Later units have silicon rectifiers.
A modification kit, [[040-0395-00]], converts a 545 from selenium rectifiers to silicon rectifiers.


The trigger circuit used a [[6DJ8]] tube in the 545 and 545A.  NPN transistors are used in the 545B trigger circuit.
The trigger circuit used a [[6DJ8]] tube in the 545 and 545A.  NPN transistors are used in the 545B trigger circuit.

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