5687 Calvertron NOS NIB made in U.S.A Amplitrex Tested 1 Match Pair 2 Pcs

About Us

We specialized in thoroughly tested

and screened quality vacuum tubes.

We have various type of valves and tubes testers

– Amplitrex AT1000 Advance Digital Tube Tester,

– Hickok 752a tube tester,

– AVO Type 160

We have been in the valve and tube Business Since 1970’s.

Previously we were better Known as a Wholesaler,

but recently, We are offering more retail items.

All item are tested and guaranteed, supplied

We have Approximately 3,00,000 Valve and Tubes Stock

Custom duties and taxes is the responsibility of the buyer in their country

If the address is away from city, town there is extended area surcharge, So

Kindly confirm your  orders  before making checkout.

PLEASE CONTACT US IF YOU REQUIRE FURTHER INFORMATION ABOUT  THIS VALVE.