COMBO GUITAR AMPLIFIER The amp for all occasions! For home, for the studio, for direct. Combo format, valves. Full/half power modes. Bedroom/Headroom dimmer selector. Switchable powers of: 0.5-1-7-15w. 2 channels: Natural/Dirty. SpeakerVoice of the World 1x10'. Valve buffered effects loop. Valves: Preamp: 3x ECC83 (12AX7), 1x ECC81(12AT7) Output: 2x EL84. Controls: Natural: Volume. Dirty: Gain, Bass, Middle, Treble, Volume. Dimensions: 47 x 41 x 26 cm. Weight: 13.6kg. Optional FS-1 footswitch.