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12AX7/ECC83RFT

SKU: 997
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CURRENTLY ONLY AVAILABLE IN CRYOGENICALLY TREATED GRADE AT THE LINK BELOW.This tube is available in Cryo Treated Grade for the ultimate in sonics and tone in The Cryogenically Treated tube section at:CRYOGENICALLY TREATED TUBESSuperb quality vacuum tube form RFT E. Germany. Very low microphonics due to it's rugged construction. Not an overly warm sounding tube,very smooth, and detailed.The Tungsram is warmer. An excellent guitar tube because of it's almost non-existent micro phonics."Excellent for blues and overdrive rock", says one of our customers!! You may have heard the RFT 12AU7, well the 12AX7 is an excellent smooth sounding tube too. Low noise and matched pairs.Art Audio loves these in his phono pre and line pre amps too!