Amperex 6DA5 EM-81 EM81 Vacuum Tube Magic Eye Indicator Valve NOS NIB 12K8 Octal Metal gray and silver coatings and

gray and silver coatings and an engraved / stamped base

new in box Zenith 10EM7 tube tested to spec on our Paul Hart-calibrated TV7/U

This tube has excellent flashing

I am playing them in my Musical Paradise MC-3 single-ended integrated amplifier (with adapters

I am playing them (with adapters

Amperex 6DA5 EM-81 EM81 Vacuum Tube Magic Eye Indicator Valve NOS NIB 12K8 Octal Metal gray and silver coatings andThis Amperex made, GE branded 6DA5 EM 81 indicator tube tested to spec on our Hickok 800. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS ITEMS UP TO $250 IN