The Preamp section of the BP-8 Valve has 13 extremely flexible voicings to choose from. Some emulate preamps found in some of today’s
popular bass amplifiers while others can be used for distortion tones found in some of today’s popular music.
On / Bypass Turns the Preamp on or off.
Type Selects the Preamp type used. CLn1=Warm Tube, CLn2=Warm Bright Tube, CLn3=Punchy,
CLn4=Punchy Bright, CLn5=Classic Tube, CLn6=Classic Bright, CLn7=Backbeat,
CLn8=High Definition, CLn9=Full Five String, CLn0=Modern Five String. The BP8 also has
cutting edge distortion preamp settings for some of today’s modern rock bass sounds. HSuS=Dark
Distortion, SAt=Saturated Tube Distortion, Od=Overdrive Distortion
Gain Controls the amount of distortion produced by the BP-8 Valve. High settings produce greater gain and
drive, while low settings offer better dynamic control of tone. Ranges from 1-100.
On Level Sets the output level while the Preamp is ON. Ranges from 0-100.
Bypass Level Sets the output level while the Preamp is Bypassed. Ranges from 0-100.
Preamp
Parameters
Displayed Values
On/Bypass On-byp
Gain 0-100
Type CLn1-CLn0, HSus, Sat, Odr
On Level 0-100
Bypass Level 0-100