Matched Pair of Tungsram 12AX7 tubes.Military Stock, selected for low noise, low microphonics, and balanced sections. Original owner. Used less than 40 hours. Very good condition. See test results in photos. These have the metal stamped clip, copper grid posts, support rods. 12AX7 is the only printing on the glass. This tube is very open, full sounding, moderately warm, and very transparent, with very low noise and microphonics. Very good dynamics and solid bass. See great reviews at Upscale Audio and elsewhere on the net. $95.00 plus shipping from 60525. See my feedback at Audiogon under Irish and buy with confidence
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