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FERNSEH · 5th Mar 2018, 2:05 am

The audio output stage of the Philips 21TD144A employs two PL84 pentodes in an interesting circuit. Try and figure it out how it works.

DFWB.

5th Mar 2018, 2:05 am	#1
FERNSEH Dekatron Join Date: Mar 2005 Location: Gateshead, Tyne and Wear, UK. Posts: 7,444	Interesting TV audio amplifier. The audio output stage of the Philips 21TD144A employs two PL84 pentodes in an interesting circuit. Try and figure it out how it works. DFWB. Attached Thumbnails