Description

RCA 12AX7A "Selected Tube" from Test Gear. Tests 1225/1300 for gm where 1000 is good at 250 volts in a Triplett 3444/Westmore 501 laboratory tube analyzer restored and upgraded by Paul Hart. Listening tested for excessive noise and microphonics in a Maxi-preamp 2 noise tester. Quiet, Zero Microphonics when tapped on. All tubes are guaranteed good or may be returned. Shipping includes insurance. Please see our other items for more vintage tubes & audio. We combine orders for shipping. We do not change values for customs. Thank You.