Blackstar Series One 50 Valve Amp Head - (Pre-Owned) FT1 By switching both preamplifier and

By switching both preamplifier and power amplifier parameters

Treble controls

dirty gain

Tap Tempo with tap divide using the built-in footswitch or an external footswitch

You want a pedal that does exactly that

Blackstar Series One 50 Valve Amp Head - (Pre-Owned) FT1 By switching both preamplifier andMan this thing sounds great! A well loved but perfectly functioning example of the Blackstar Series One 50 Valve Amp Head. A super versatile, modern guitar amp with all the features you'd need to sculpt any tone that you desire. Freshly serviced and ready to roll. By switching both preamplifier and power amplifier parameters, the Series One 50W delivers both Class A style tones with a bell like ring and classic push pull crunch depending on the mode