COMBO GUITAR AMPLIFIER Tube combo amplifier Series One 45. 2 Channels (Clean channel with Warm (Plexi) and Bright (Class A) modes / Overdrive channel with Crunch and Super Crunch modes). ISF (Infinite Shape Feature) control. 45W power. 2 preamp tubes (1 x ECC82, 3 x ECC83). 2 power tubes (2 x EL34). DPR power reduction system. 2 x 12' Vintage 30 speakers. 8 and 16 Ohm speaker outputs. Speaker emulation output. MIDI or footswitch switching included. Effects loop. Controls (Clean Gain, Clean Volume, Overdrive Gain, Overdrive Volume, Bass, Middle, Treble, ISF, Resonance, Presence, Master Volume, DPR). Dimensions: 710 x 551 x 302mm. Weight: 34.7Kg.