Looking for Amp project suitable for a 35V Transformer - Page 2

Fossil · 2nd October 2001, 05:02 PM

Quote:

Originally posted by ptrapp
Perhaps there exists a possibility in using the 20V taps. However, I think this will result in even less power available.
Philip Trappeniers

u can use the 0-20V (<30Vdc) on the DoZ but the rated output will be around 10W only.

paulb · 2nd October 2001, 05:28 PM

If you use the 20V taps, you may need to correct the VA rating to:
180 * 40 / 70 = 102 VA
i.e. the maximum current through the windings is limited.
So you could get about 50 watts DC, about .8A at +/- 30 VDC or 1.6A at 30 VDC single-ended. Does that sound right?

Edited; I had these simple calculations wrong the first time.

[Edited by paulb on 10-02-2001 at 01:25 PM]

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2nd October 2001, 05:28 PM	#12
paulb diyAudio Member Join Date: Jun 2001 Location: Calgary	If you use the 20V taps, you may need to correct the VA rating to: 180 * 40 / 70 = 102 VA i.e. the maximum current through the windings is limited. So you could get about 50 watts DC, about .8A at +/- 30 VDC or 1.6A at 30 VDC single-ended. Does that sound right? Edited; I had these simple calculations wrong the first time. [Edited by paulb on 10-02-2001 at 01:25 PM]