Heintz & Kaufman 5U4GB Black Base made in U.S.A Amplitrex Tested AT1000

Up for sale 1 Matched Pair (2 Pcs)
NOS NIB 5U4GB Heintz & Kaufman
Halo Ring Getter
SINCE : 1927
Black Base Clear Glass
New in Original Box

made in U.S.A

The Photos are actual Photos of tubes you are buying
Tested Advance Digital Tube Tester Amplitrex AT1000

Sr.No.1939002  A FWD = 23V A REV=414V
                                 B FWD = 23V B REV=414V

Sr.No.1939003  A FWD = 25V A REV=414V
                                B FWD = 24V B REV=414V

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

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 items are tested and guaranteed, supplied.

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