A  MATCHED & Balanced PAIR OF
1959 Raytheon 12AU7 Tubes
    AMPLITREX TESTED 95% 93%
    TUBES BRANDED "BALDWIN"
   LONG BLACK PLATES ~ O GETTERS
    EXCELLENT TUBE GAIN (Mu) PER PLATE
    A EXCELLENT TUBE PAIR FOR STEREO
    THE AMPLITREX AT1000 DATA SHEETS WILL BE
    SENT WITH THE TUBES.  AMPLITREX ACCURACY +/- 1%.
    ANY QUESTIONS MESSAGE ME
    FAST NEXT DAY SHIPPING