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

3A/172B HL1320 CV1670 STC ITT British Tube

£59.99 £21.99
You save: £38.00 (64%)
Weight: 91 g

Vintage genuine British made 3A/172B HL1320 CV1670 STC and ITT  triode amplifier tubes.  These are all made in the same factory (ITT took over from STC in the late 70's). Please contact us directly for availability on this tube type and compatible sockets.
This item is shipped from Britain, in North America or Asia please allow 2 to 3 weeks for delivery.

3A/172B is a medium gain (mu = 30),  triode signal tube with a B7 British base. For more information, see data sheet :


Tubes are tested with an AVO tester and test within normal factory tolerance for plate current and  transconductance, and are tested for leakage and shorts. 

© Tubezone Limited.