1x ECF82 TESLA TRIODE-PENTODE FREQUENCY CONVERTER VACUUM TUBE VALVE 6U8 NOS NEW

NEW OLD STOCK, NEVER USED TESLA ECF82 TUBE Made in Czechoslovakia ITEM'S CONDITION: NEW OLD STOCK The tube was never used before, stored in good conditions and should be in fine working condition. No dings, no oxides, no white powder inside. Please examine item's photos. Unfortunately I have no tube tester to provide more detailed features for it. TECHNICAL FEATURES * The ECF82 TESLA is a high slope triode pentode designed for television use as a frequency changer or mixer. It was also found to be effective as an audio phase splitter. * The anode opposite the grid support rods is open allowing a limited view inside. The bright structure is the beam forming plate. The ECF82 is a beam tetrode. * The thin glass tube envelope is 20 mm in diameter, and excluding the B9A base pins is 47 mm tall. * Identical to: ECF82 = 6U8 * Similar Tubes: Normally replaceable-slightly different: 6678; 7731. Heater is different: PCF82 * Weight: around 10 g. * Made in Czechoslovakia in 1970-1980s. THE ITEM COMES WITH Tesla ECF82 tube Original paper box ABOUT PHOTOS The item pictured is the actual item for sale. You can see exactly what you are buying. SHIPPING We are more than happy to welcome any international buyers! We ship the item FREE WORLDWIDE (exclusions are exists, you can ask Me before purchase to be sure)! Item will be shipped via Russian Post service during 3 days upon receipt of your payment. Shipping time is mostly about 4-6 weeks to receive the item as Registered Air Mail package with the tracking number (or by registered and insured Air Mail parcel for heavy items), but sometimes (but not very often) it can be up to two month.