Sylvania 6B4G -Dual Flat Plate - usedVery nice pair of Sylvania 6B4G clear glass dual flat plate directly heated triodes. These are a higher powered version of the 2A3 with different base. Matching date codes. Matching internal and ex...159.00
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Sylvania 6B4G - Dual Flat Plate - Amplitrex Tested - Excellent - Matched Pair [Expired]
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