12au7wa

TESTS CONDITIONS (datasheet) Va=250V Vg1=-8.5V Ia=10.5mA 6189 H 58.34.312AU7WART double arm ring getter10,5/10,8mA

NATIONAL  MADE IN USA  6189/12AU7 WA  NOS NIB TESTED                                       New Oldstock  The tube is new and never used     6189: this tube has been designed to withstand the shocks and vibrationsto which mobile equipment used in aeronautics or electronic devices used inindustry may be subjected   The filament is reinforced and is able to withstand a minimum of 5000  successive ignitions and extinctions. As compared to the 12AU7 the 12AU7A exhibits a lower microphonic output UNUSED  TESTED at (Va:250,Vg1:-8,5v) :   Ia  13,5 mA  2,3mA/v &  11,8mA  2,1mA/v Typical charasteristics are (Va:250v,Vg1:-8,5v): Ia 10,5mA  S 2,2mA/v     Delivered on original box     Please ask all questions and I will be happy to answer If a problem arises contact me and I'll try to fix the problem  payment only with Paypal Je décline  toute responsabilité en  cas  de casse  durant le transport. Les tubes étant fragiles par nature, j'apporte le plus grand soin à l'emballage, même en lettre suivie.  TT7