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These amazing tubes are getting harder and harder to find! These are all NOS and will be supplied in either original boxes or white boxes! Get them while they last! Just $249.99 per tube! (each tube matched on our Amplitrex AT-1000 and Maxi-matcher within 1-3 mA of each other)
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The 7189A has different internal pin connections different than a 6BQ5 = EL84 = CV2975 = E84L = 7189 tube type. Use only in circuits which call for a 7189A.
Grey Plate Tung Sol 6550 "coke bottle" shape 6550 with solid grey plates, branded as Tung Sol, Sylvania, Magnavox, and RCA these are the creme de la creme of 6550's. Matched very tightly, these are extremely hard to come by! A few singles available with broken guide pins. $599.99 per tube. Please email or contact us for matching availability
tubes-admin –
Very sweet sounding tubes with smoother low end and crisper high end than the original driver tubes. This is strongly recommended in tube-rolling threads, among others. Well worth the cost to upgrade.