Description
Heath EF94 / 6AU6 Made by Mullard || Labeled by Heath AUDIO VACUUM TUBE PREAMPLIFIER TUBE VINTAGE STOCK Mini Tube Gray Plate Top Large O Getter MADE IN GREAT BRITAIN DATE CODE: 9K TESETD on SENCORE TC-136 Results: 103% Combined Shipping Available! Buy any amount of Tubes in USA and pay just shipping for one! International buyers combined shipping 0-8 oz package $16 and 8-24 Oz - $26 All Tubes Tested on a Calibrated Hickok TV7 or Sencore TC136