5150 :
* 120 Watts RMS into 16, 8 or 4 Ohms
* Five 12AX7 preamp tubes
* Four 6L6GC power amp tubes
* High and low gain inputs
* 2 channel preamp switchable on front panel or remote footswitch
* Rhythm channel: pre- and post-gain, bright & crunch switches
* Lead channel: pre- and post-gain
* Channels share 3-band EQ, presence, and resonance controls
* Switchable post-EQ effects loop
* Preamp output
* Footswitch included
5150II :
* 120 Watts RMS at 16, 8 or 4 Ohms voiced to Edward Van Halen's specifications and identical to the amps used by him when touring and recording
* Six 12AX7 preamp and four 6L6 power amp tubes
* Footswitchable lead/rhythm channel select and effects loop
* 3-band EQ, resonance and presence controls on each channel
* Rhythm channel: pre-/post-gain controls
* Bright/crunch switches
* Lead channel: pre-/post-gain controls
* Preamp output
* Footswitch included