NOS NIB NEW Arcturus Blue 071A tube (71-A)

Here is something that you will not see everyday, an NOS NIB NEW Globe-style Arcturus blue-glass 071A audio output tube.  Type 071A is also known as 71-A, 71A, 171A, 271A, 371A. This tube has the star-logo on the top of the glass bulb with 071A inside the star logo. Engraved base reads “ARCTURUS – No. 071A – MADE IN U.S.A.” The box has some creases and wrinkles and is missing topside lid. Tube is gorgeous.

NOS Arcturus blue-glass 071A tubeTesting the NOS Arcturus blue-glass 071A tube
Tube has been sold.  Thanks.

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