Description: NOS Matched/Balanced Pair (2) GE 12AU7A Vacuum Tubes - Halo Getter- Grey Plates- Date Code: 52-61 (1961) TEST RESULTS: NO SHORTS, NO LEAKAGES, NO GAS Tube 1: Side 1: 95 = 2,375 uMhos Transconductance(Gm) at 8.0 mA (Ia =Anode Plate Current) Side 2: 94 = 2,350 uMhos Transconductance(Gm) at 8.0 mA (Ia =Anode Plate Current) Tube 2: Side 1: 93 = 2,325 uMhos Transconductance(Gm) at 7.8 mA (Ia =Anode Plate Current) Side 2: 96 = 2,400 uMhos Transconductance(Gm) at 8.2 mA (Ia =Anode Plate Current) For Reference: The Minimum good value for a ECC82/12AU7A tube tested on all TV7 versions is 56/56 = 1,400/1,400 uMhos Gm'Bogey': Factory Data Sheet NOS when new is 88/88 = 2,200/2,200 (μ℧ ) uMhos Transconductance (Gm) at 10.5/10.5 mA Anode Plate Current Dissipation. Our Test Set: Dan Nelson restored, upgraded and calibrated, TV7A/U with Digital Meter reading Transconductance in uMhos (Gm) and mA (Anode Plate Current). WE PACK VERY WELL FOR SAFE SHIPPING WORLDWIDE. WE SHIP FAST. MANY YEARS EXPERIENCE SHIPPING FRAGILE TUBES AND VINTAGE ELECTRONICS.
Price: 35 USD
Location: Rileyville, Virginia
End Time: 2024-09-21T16:16:20.000Z
Shipping Cost: N/A USD
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Item Specifics
Restocking Fee: No
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money back or replacement (buyer's choice)
Brand: GE
Type: Vacuum Tube
Model: 12AU7A
MPN: 12AU7A
Country/Region of Manufacture: United States
