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4CX1000A TETRODE FORCED AIR HIGH POWER AMPLIFIER TUBE 3kV = 8168 | eBay
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4CX1000A TETRODE FORCED AIR HIGH POWER AMPLIFIER TUBE 3kV = 8168 | eBay
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Eimac 4CX1000A Amp Changed to 4-400A/4-250A or Penta Lab PL-175 or PL-6775 - YouTube
