TubeZone Limited

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

Please note we are closed for Christmas holiday from 20 to 28 December
Thank you for visiting! Prices on this site are based on British Pounds and do not include VAT.
For special offers please click here to visit our Ebay shop or our Facebook page
To contact us by email please click on Feedback at the bottom of any page on this site.



Blog / News

24 December 2012
Subscribe for email newsletter (blog):
or RSS 2.0
Printer friendly version Printer friendly version

3D21 3D21A CV2659 STC British NOS Tube

Weight: 91 g

Nice 70's vintage genuine British made STC 3D21A tetrode pulse amplifier tubes. All of them are in the original STC cartons and are tested and guaranteed. The price is PER TUBE. Matched pairs are available if you order in multiples of 2. This item is shipped from Britain, in North America or Asia please allow 2 to 3 weeks for delivery.

For more information, see data sheet : and

© Tubezone Limited.