TubeZone Limited

TubeZone - Valves and sockets for all types of valve powered equipment

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24 December 2012
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1AF4 Sylvania Tube

£5.99 £4.99
You save: £1.00 (17%)
Weight: 23 g

New old stock vintage US made Sylvania 1AF4 pentode tubes. These are in the original factory crates and individually boxed. 

 

Very low filament current, (25 ma at 1.5 volts DC) Possibly these could substitute for DF96 or 1AJ4.
Offers on this item considered for quantity 50 or more. This item is shipped from Britain, in North America or Asia please allow 2 to 3 weeks for delivery.

1AF4 is a battery pentode that normally operates at 90V or less plate (anode) voltage and has a very low power filament (1.4V at 25 ma) that will operate off a battery. For more data please see: http://scottbecker.net/tube/sheets/127/1/1AF4.pdf

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