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voltage information [message #24259]

Sun, 27 December 2015 10:09

scrap
Messages: 12
Registered: December 2015
Location: Florida

Junior Member

replaced all caps on tube driver board. no heater voltage from power transformer. schematic is vague on voltages concerning this item. the transformer has two primary windings one with center tap. I'm led to believe these are for domestic or European line voltages. it has five secondary windings. one is +15/-15vdc to power the pre-amp, one is 6.3vac for the tube heaters, one is 450vdc for B+ voltage to the plates, one is 400vdc for the screen grids and the fifth is 300vdc? for bias voltage?? I've looked all over the net for one of these transformers and the company that manufactured them (cin-tran) was bought by standex international in 2001 does not produce them anymore. I will probably have the transformer re-wound by weber or mercury but I will have to supply them the voltage requirements. anyone who can confirm the above values would be greatly appreciated. thank you, scrap.

have a good time all the time.

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[Message index]

		voltage information By: scrap on Sun, 27 December 2015 10:09
		Re: voltage information By: carlc on Mon, 28 December 2015 08:21
		Re: voltage information By: scrap on Mon, 28 December 2015 08:29

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