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6CA7 / EL34 / KT77 tubes
This rare 1956 Amperex Bugle Boy EL34 / 6CA7 power tube is among the earliest EL34 tubes ever made. It has a nickel base with a black bottom and a hole in the centering pin. Click "more info" for photos and test results.
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The ElectroHarmonix 6CA7EH big bottle tetrode is the budget sleeper tube of the new production EL34/6CA7/KT77 family. Recommended for demanding, higher voltage amps. These tubes can take the heat! Price includes extended burn-in and precision matching.
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These new production Genalex Gold Lion KT77 power tubes can directly substitute for 6CA7 or EL34 type tubes. Price includes extended burn-in and precision matching.
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The 1959 Amperex EL34 / 6CA7 power tubes in this precisely matched pair have dual D getters and brown bases (Xf4 series). The white labels on the base have the GE logo, Both tubes test as new and and are matched for current draw (mA) and Gm.
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The 1959 Amperex EL34 / 6CA7 power tubes in this pair have dual D getters and brown bases (Xf4 series). The white labels on the base have the GE logo, Both tubes test as new and and are loosely matched for current draw (mA) and Gm.
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.
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