Tone King Imperial Mk II BR, Tube Combo Amplifier for Electric Guitar, 2 Channels, Power: 20 W, Equipped with: 1 x 12"" Custom 8 Ohm Ceramic Magnet, designed and made by Eminence, Integrated Ironman II Compensated Power Attenuator (up to -36 dB) with precisely matched reactive load, Fletcher Munson volume compensation circuit and damping factor correction, Open housing, Rhythm Channel controls: Volume, Treble, Bass, Lead Channel controls: Volume, Tone, Mid-Bite, Reverb, tremolo speed and tremolo depth controls, Attenuator level control, Channel selection switchable via front or foot switch, Rhythm Channel switch, Attenuator bypass and HF compensation, Effects: Tubes spring reverb, Connectors: Hi & Lo input (2x 6.3 mm jack), speaker (6.3 mm jack), footswitch in (6.3 mm stereo jack) and power connection (IEC connector), Dimensions (W x D x H) 572 x 489 x 267 mm, Weight: 16.4 kg, Colour: Brown, Includes 2-way foot switch for channel and tremolo, Made in USA@+*Tubes:*@+@+, Rectifier tube: 5AR4, Reverb driver tube: 12AT7, Reverb receiver tube: 12AX7A, Preamp tubes: 3x 12AX7A, Power amp tubes: 2x 6V6