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2A3 / 6A3 / AD1 / 45 / 300B / 6B4
Beautiful and RARE PAIR of 6B4G SYLVANIA NOS/NIB power amplifier Direct heating triode in octal base, DUAL SINGLE plates for AUDIO HI-FI amplification, Radio. GREAT Performance!
RARE PAIR 2A3 FIVRE, Famous and Historic AUDIO amplification power amplifier TRIODE, extremely linear valve for Low Frequency, superb for HIGH efficiency systems, the AUDIO power amplifier!