TAD EL34 STR "Redbase" Premium Selected Matched quartet. Tube designed completely in 2021, with results simmilars to the old Telefunken EL34. It delivers a sound that stands out for its dynamics and spatiality. Like all classic EL34s, its strength is in the mid-high range, giving a roaring sound on hi-gain amps. We are facing a very robust tube, with minimum tolerances in construction and reinforced with an extra-hard glass. These tubes are shipped matched