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Emission Labs. Application note about tube amplifier design.
PAIR 5U4GB FIVRE RCA U52 VT-244 CV575 CV841 RECTIFIER VALVE 100% OK
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PAIR 5U4GB FIVRE RCA U52 VT-244 CV575 CV841 RECTIFIER VALVE 100% OK
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5U4 5AS4A PAIR GENERAL ELECTRIC U52 VT-244 RECTIFIER VALVE NOS/NIB
RCA 5U4GB FULL-WAVE RECTIFIER
5U4 5AS4A PAIR GENERAL ELECTRIC U52 VT-244 RECTIFIER VALVE NOS/NIB
Forums - NOS tube questions
Pair of Russian 6n3c Power Tubes 6L6 Equivalent + 2 Free 5u4GB Rectifiers For Sale - Canuck Audio Mart
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5U4GB - Rectifier Vacuum Tube JJ Electronic - Music Gallery
5U4 5AS4A PAIR GENERAL ELECTRIC U52 VT-244 RECTIFIER VALVE NOS/NIB
5U4GB TESTED STRONG on TV7 64/40 160% Vacuum Tube NOS Valve GE 5AS4A 5U4GBEH Amp | eBay
