Amplifier Replacement Parts

572B Three Matched Vacuum Tubes, Power Triode, Direct replacement for the 811A, Set of 3

Part Number: PLB-572B-3

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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811A Three Matched Vacuum Tubes, High-Mu Power Triode, 160W, 30 MHz, Set of 3

Part Number: PLB-811A-3

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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3-500ZG Three Matched Vacuum Tubes, High-Mu Power Triode, 500W, Ceramic Base, Set of 3

Part Number: PLB-3-500ZG-3

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Estimated Ship Date: Nov 9, 2026 if ordered today

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