ZENITH TRANS-OCEANIC FILT-R-PAK 6+ NEW REV 5 BOARD BYPASSES 50A1 TUBE

6+ IS SPECIFICALLY DESIGNED FOR SIX-TUBE MODELS WITH 50A1 TUBES, AND ADDS A BYPASS FOR THE EXPENSIVE AND HARD-TO-FIND 50A1 TUBE. F/FO+ REPLACES ALL FILTERS, RECTIFIER, AND POWER RESISTOR. FOR ALL MODELS.

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