11E3 CV73 STC Mazda British NOS Tube (sim to KT66)

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11E3 CV73 STC Mazda British NOS Tube (sim to KT66)

11E3 CV73 STC Mazda British NOS Tube (sim to KT66)

Item Id: 11E3 CV73 STC Mazda Tube

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Description

Nice vintage genuine British made STC and Mazda (both the same thing except for the printing) 11E3 CV73 tetrode pulse amplifier tubes in the original boxes. All of them are in the original 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.
Beam Power Tube
B7 British

For more information, see data sheet :http://www.mif.pg.gda.pl/homepages/frank/sheets/147/1/11E3.pdfandhttp://www.r-type.org/exhib/aai0163.htm . The characteristics (see tube curves on spec sheet) are actually pretty close to KT66 but these have various modifications (plate cap, ceramic supports, different filament voltage) to accommodate high voltage pulse operation. These tubes use a B7 socket, and 3/8 anode cap available from us, see socket category.

These are individually tested on an AVO precision tube tester. I am guaranteeing for these 30 days against defects (but not breakage, so don't smash them with a hammer!), so long as you're willing to mail back anything that doesn't work right.