Item Tag: 6x4

6X4DuMontNOS Vacuum TubeWeldedBlack/Silver Plates Dual Top Field Goal GettersSupport Rods Tested at 60/57on a calibrated TV-7D/U tube tester on which 40 is the minimum***On some tubes the minimum being 65% of the typical new score is not a workable formula on the TV7-D/U. So a % score is not meaningful and only an actual meter reading is given. These are5Y3GT – 12BH7 – 6X4Test 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 forms. *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.