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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. | ||