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ricard · 16th Mar 2017, 5:29 pm

Grundig used the EL42 as an erase/bias oscillator in tape recorders in the 1950s. Its mediocre performance compared to the EL84 used för AF output was probably sufficient för this application.

16th Mar 2017, 5:29 pm	#16
ricard Octode Join Date: Mar 2006 Location: Lund, Sweden Posts: 1,632	Re: The Mullard EL42 Grundig used the EL42 as an erase/bias oscillator in tape recorders in the 1950s. Its mediocre performance compared to the EL84 used för AF output was probably sufficient för this application.