Mad Professor Tiny Orange Phaser With the three controls you can fine-tune the phaser effect to your taste. Speed control sets the modulation speed and Resonance adjust the tone of the effect, making it sharper when increased. The Mix control works in an unique way and at 12 o'clock it disables the phasing effect. BJF design guitar phaser pedalHand-made in Finland premium quality phaser pedal.Unlike most vintage phasers the Tiny Orange Phaser is especially tuned for electric guitar. The tone is very musical and balanced thanks to carefully hand matched parts in the circuit. Controls SPEED: controls the speed of modulation. RESONANCE: sets the resonance (tone) of the effect. MIX: no effect at 12 o'clock, CW and CWW settings controls the depth of two different phase tones Supply voltage range: 8 to 10VDC. Current consumption at 9VDC: 26mA. Input inpedance: 500K Ohm'sOutput impedance: 1K Ohm'sComplete bypass (true bypass)