Hand-built and hand-wired 120-Watt Class A/B amplifier driven by 4 x EL34 tubes (now fully compatible with 6L6 and 5881, etc.). Modern 3-channel preamp design (Clean, Crunch, Lead) featuring 4 x 12AX7 tubes for boutique clean and face-melting hi-gain tone. Integrated high-class reverb is assignable per channel and has a dedicated Reverb control. Revolutionary INFINIUM Tube Life Multiplier technology:– Extends the life of your amplifier’s expensive power tubes up to 20 times.– Provides incredible reliability and consistent tone over the complete lifespan of your tubes – No need for expensive matched tube sets– Allows you to mix and match any combination of compatible tube types and brands – Monitors performance of each power tube continuously and displays defective tubes to allow for easy and individual replacement. XL switches on the Lead and Crunch channels for killer low end control. Adjustable Noise Gate available on Lead channel.Fully independent Equalizer sections for each channel with dedicated Bass, Mid and Treble control. Classic Presence control for efficient midrange sound shaping. Remote controlled FX Loop with adjustable Send and Return level also serves as Boost function. Heavy-duty footswitch for Channel selection and FX Loop/Boost function included. Line output with dedicated Level control. Impedance switch (4, 8 and 16 Ohms) to match virtually any speaker cabinet.