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Tube Substitutions for:
AL4
Vacuum Pentode
Type
Substitutes
Base Diagram
AL4
OSW3103, A4FF4, TAL4, 4E1, WE38, NLP61, RAL4, TL44, UAL4, 4A26_Ultron, 4L4, N41_Topf-P8A, 3103_OSW, VP4_Oxytron
Web References
AL4 (RFT) @ Franks Electron Tubes?
AL4 @ Radiomuseum
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