Description

One 12AT6 unbranded NOS Vacuum Tube Tested on a calibrated Westmore 501 (Triplett 3444) tube tester All tubes are fully guaranteed for 30 days. Each is tested for emission, dynamic mutual conductance, shorts, & gas as applicable. *We use the following testers: *Dan Nelson calibrated TV-7D/U with sweep tube adapters, & digital meter with plate current test at 150V. *Paul Hart calibrated/modified Westmore 501 (Triplett 3444) Test results may differ between various testers for many reasons such as technical design, aging components, etc. So while test results are a good indication of quality there can be some difference between the many differently designed & maintained testers . *For Multiple item purchases click the "Add to Cart" selection for each item *After all items have been added to your cart click on "Request Total From Seller " *An invoice will be returned with the correct 'combined shipping' & total due * If your purchase is not fully satisfactory please contact me . International customers welcome: Please do not ask for false value on customs for m *Tubes will be shipped in a cardboard box with packing, usually bubble wrap or sheet foam Packed for protection Packed for ease in unpacking *Tubes will generally be cleaned Clean tubes will radiate heat better & operate cooler *Pins will generally be straightened/cleaned as needed Cleaned pins make better electronic connection *Most tubes are shipped in their boxes (or replacement boxes) I often repair a box so it will function properly *I try to get your package in the next mail after receiving your order.