Talk:Neumann U 47

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The VF14 was an RF pentode for various functions in military field radios?

Latest comment: 8 years ago1 comment1 person in discussion

Its 55V/50mA heater made VF14 unsuitable for mobile equipment; the Mullard–Philips "V" tubes were for low-budget, low-tube count ac/dc radios. 85.240.217.134 (talk) 02:24, 2 December 2017 (UTC)Reply

Latest comment: 1 year ago1 comment1 person in discussion

with leather.

Excuse me. Prominently mentioned in Joe's Garage. Only reason I've heard of it. Lots of hits, but not sure I'm seeing any reliable sources. Just Step Sideways ^{from this world ..... today} 05:21, 30 November 2024 (UTC)Reply