The 1 st generation of these 3 channel beast 
That allows you to explore every kind of style with a really really good sounding 

Clean crunch drive and even more 

 60 Watt valve combo
2xECC83, 1xECC82, 2xEL34
Three footswitchable channels
2x12" Celestion speaker
Enhanced tone controls
Patent-Applied-For Infinite Shape Feature (ISF)
Clean Voice switch
Overdrive 1 Voiceswitch
Overdrive 2 Voice switch
Presence
Resonance
Master volume
Digital reverb with dark/bright switch
Speaker emulated output with 1x12/4x12 voicing
Effects loop with effects level switch
4-way footswitch included