Bass Amplifier Schematics Pro Bass II 150W & 300W Models Rev C ...Carvin Pro Bass Ii Schematic - Audio Related Internet Site List - updated daily by Steve Ekblad. Keep in mind that if you do decide to replace the 12AX7 tube you should give the pedal some time to break in. All tubes, whether itâ€™s your amp or a pedal, need some time before they reach their potential so donâ€™t freak out if the 12AX7 blows your head off the first time you try it.. Modulation . Chorus, phaser and flangers â€“ or modulation effects â€“ are the colouring on your pedalboard..
Fukuoka | Japan Fukuoka | Japan.