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Tel: +44 (0)1403 784961
Email: sales@tube-and-valve-electronics.co.uk

14 October 2019 


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Selected category: Tubes, Valves and Accessories

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3D21A
 


3D21A

3D21A STC

STC logo UK NOS CV2659. Audio tetrode/pentode with similarities to EL34, data with curves available. . Makes a great electrostatic headphone amplifier. EG Singlepower Audio. Data Vf=6.3V, If=1.7A, Va typical =+250V, Ra=0.45K, Vg=-150V, Vg=800V, Gm=5.5mA/V. Octal base. Data & curves http://tubedata.itchurch.org/sheets32.html,

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Product availability:

This item is price on application. Please email us at sales@tube-and-valve-electronics.co.uk for current pricing and availability

This item is price on application. Please email us at sales@tube-and-valve-electronics.co.uk for current pricing and availability

This item is price on application. Please email us at sales@tube-and-valve-electronics.co.uk for current pricing and availability

This item is price on application. Please email us at sales@tube-and-valve-electronics.co.uk for current pricing and availability

This item is price on application. Please email us at sales@tube-and-valve-electronics.co.uk for current pricing and availability

 

 

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