DUAL STAGE AMPLIFICATION

Amplifiers; Amplifiers for bass guitars; Amplifiers for musical instruments; Circuit boards; Musical instrument adaptors; Musical instrument amplifiers; Musical instrument connectors; Tube amplifiers; Acoustic amplifiers; Audio amplifiers; Bass amplifiers; Effects pedals for guitars; Electric and electronic effects units for musical instruments; Electric effects units for musical instruments; Electrical amplifiers for use with musical instruments; Electrical cables for musical instruments; Electrical pickups for use with musical instruments; Electronic control circuits for musical instruments; Electronic effect pedals for use with sound amplifiers; Electronic effects pedals for use with musical instruments; Electronic sound pickups for guitars and basses; Guitar amplifiers; Pedal boards for use with sound effect pedals for musical instruments; Sound amplifiers; Sound effect pedals for musical instruments