Description

6BQ5 Sylvania NOS Made in England Vacuum Tube Gray Plate Halo Getter Copper Grid Posts Tested at 87 on a calibrated TV-7D/U tube tester which is 113% of TV-7 Avg. New Avg. Min. (65%) TV-7 chart & Avg. New (100%) = 50 & 77 *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) Not tested for noise or microphonics 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 the customs form For combined international shipping you need to send an email listing the items you want to buy and I will create a single listing for all the items that you can buy with the corrected shipping charge *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.