Description: 4 x NOS Sylvania 12BY7A, 2 x Matched Pairs TEST RESULTS on Hickok 752A: NO SHORTS, NO LEAKAGES, NO GAS Tube 1: 10,500 uMhos Transconductance(Gm) Date Code: am EHT Tube 2: 10,500 uMhos Transconductance(Gm) Date Code: am EHT Tube 3: 9,000 uMhos Transconductance(Gm) Date Code: da ERL Tube 4: 9,250 uMhos Transconductance(Gm) Date Code: da ERL For Reference: The Minimum good value for a 12BY7/12BV7 tube tested on a Hickok 752A is 5000/5000 uMhos Gm'Bogey': Factory Data Sheet NOS when new is 11,000 (μ℧ ) uMhos Transconductance (Gm) when tested at 250V. The 752A tests at a maximum of 150V. Many years of shipping Experience with fragile Vacuum Tubes and Vintage Electronics.
Price: 30 USD
Location: Rileyville, Virginia
End Time: 2024-12-24T17:50:46.000Z
Shipping Cost: N/A USD
Product Images
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: SYLVANIA
Type: 12By7A
Model: 12By7A
MPN: 12BY7A
Country/Region of Manufacture: United States
