Head KOCH Studiotone XL ST40-H 40W amplifier in class A.

Head KOCH Studiotone XL ST40-H Amplifier of 40W in class A. 2 x EL84s in Class A in the power stage and 3 x 12AX7 in the previous. It has 3 channels: Clean, Overdrive and Overdrive-Boost and two switches of Mid Shift (2-way) + Bright (3-way) for all channels. The Bass-Mid-Treble controls are passive tone. The valves have a structure of 4x EL84 in power stage. On the inside, the newly designed Koch VG12-60 Speaker is built in. The speaker output is 4, 8 to 16ohm, the recording output with speaker simulation filter and 2 micro position selection switches. and the direct line output is not filtered for the clean channel and for headphones, it is also incorporated with a loop of effects in series with signal level of 10dBV The Rever Accutronics short is 3 springs.On the other side the switch input pedal jack.Finally, this amplifier includes a 2-way pedalboard.

Characteristics:

• 40W amplifier in class A.
• 4 x EL84s in Class A in the power stage and 3 x 12AX7 in the previous one.
• 3 channels: Clean, Overdrive and Overdrive-Boost.
• Passive tone controls Bass-Mid-Treble.
• Two switch timers Mid shift (2-way) + Bright (3-way) for all channels.
• Valves: 4x EL84 in power stage.
• Speaker output to 4, 8 and 16ohm.
• Speaker switch on / off.
• Recording output with loudspeaker simulation filter and 2 micro position selection switches.
• Direct output of unfiltered line, clean channel and headphone.
• Loop of effects in series with level of signal of 10dBV.
• Rever Accutronics cuts 3 springs.
• Foot switch input jack.
• Measures: 50x28x28 cm.
• Weight: 12 kg.
• 2-way pedal included.