Diezel Herbert MkIII, tube amplifier head for electric guitar; three completely independent channels, including separate EQs, for perfectly dialed sounds at any output level, large headroom for sophisticated cleans and vicious dirty sounds; 3 channel; power: 180 watts; pre-amp tubes: 5 x 12AX7; power-amp tubes: 6 x 6L6; controls: Ch.1: Volume, Treble Middle Bass; Gain, Ch.2: Volume, Treble Middle Bass; Ch.3: Volume, Treble Middle Bass; Mid Cut: Intensity Level; Master: Volume 2, Presence, Deep, Volume 1; Parallel Loop Level; ; switches: Channel switch, Ch.2 +/-, Loop, Mute, Store; speaker outputs: 16 ohms & 8 (2 x 16) ohms (1/4"" jack); effect loops: Serial & Parallel; connections: Input (1/4"" jack), Serial FX Loop Send & Return (2 x 1/4"" jack), Parallel FX Loop Send & Return (2 x 1/4"" jack), Switchable FX Loop Send & Return (2 x 1/4"" jack), Footswitch Boost (1/4"" jack), Tuner Out (1/4"" jack), Compensated Out (1/4"" jack), Midi In & Thru (2 x 5-Pin DIN), Footswitch (XLR Fem); Channels & Ch.2 +/- seitchable per Midi; dimensions (W x D x H): 740 x 280 x 270 mm; weight: 25 kg; made in Germany