Redesigned version of 5150 series designed with Eddie Van Halen..Six 12AX7 preamp tubes and four 6L6GC power amp tubes..120 Watts (rms) into 16, 8, or 4 Ohms (switchable)..Footswitchable lead/rhythm channel select and effects loop. Footswitch included..3-band EQ, resonance and presence controls on each channel. Preamp output. The Peavey 6505 Head is a monster. With six 12AX7s and four 6L6s, the 6505 Head puts out 120 watts into 16, 8, or 4 ohm loads. You get two channels, along with major tone-sculpting control. The "Rhythm" channel gives you sparkling clean tones, but once you engage Crunch Boost with the included footswitch, you enter into a universe of near-infinite gainstaging potential. The Lead channel takes you from meaty grind to white-hot liquid metal. For massive tone and monster power, the Peavey 6505 Head is your weapon of choice.