Amptweaker BigRock Pro Manual Download Page 4

TM

good tone comes from tweaking . . .

EFX Loop Pre/
Post Switches

puts loops before 
or after the BRP

9V-18V Battery 
Switch

-set to 9V when 

using 1 battery to 
disable one terminal

Hidden Tweaks under the battery compartment

Fat Rhythm/Fat Boost Sw

-for an even 

fatter attack on Rhythm and/or Boost

Extra Gate

- turn clockwise 

for even more noise gating

Main Gain-Tracking 
Noise Gate

- clockwise 

to increase gating effect, 
down to reduce gate 

DELAY

G

U

IT

AR

IN

OUT

NORMAL:

 BRP has 

EQ always, adds 
Delay when Boost 
ON, Chorus only 
when bypassed. 

IN

OUT

EQ

SideTrak™

CLEAN 

EFX

DUAL AMPS:

Take Chorus 
OUT to 2nd 

ʻ

Clean

ʼ

 amp 

instead of RET
of SideTrak, for
dual amp A/B

CLEAN FX IN ST:

Clean pedal or 
preamp, only works 
when BRP is OFF

IN

OUT

CHORUS

Summary of Contents for BigRock Pro

Page 1: ...s Can be used as a preamp or into clean channel Runs on 9V 18V like changing from 50 to 100W amp LED lit knobs when using an adapter Welcome Thanks for purchasing the BigRock Pro pedal the first Amptweaker handmade product designed with your advice This version of our very popular TightRock FatRock pedals has a dual boost system 3 effects loops added 3 band EQ which helps get even heavier tones no...

Page 2: ...regulated supply center pin ground 9V is like 50W amp 18V is more dynamic like 100W amp Output Jack connect to next pedalʼs input or amp Gain adjusts distortion switch sets gain ON for modern OFF for vintage Tight set high for aggressive chunky attack low for thick fatter distortion Two Fat switches inside PlexEQ Smooth Sw PlexEQ tweaks mids edge for stack tones Smooth warms highs Gate cuts noise ...

Page 3: ... 18VDC adapter w 5 5mm X 2 1mm positive barrel center ground Housing 14 Gauge galvanized steel Weight 3 pounds Dimensions 5 625 W X 5 D X 2 125 H 2014 Amptweaker LLC 3482 Keith Bridge Rd Box 345 Cumming GA 30041 handmade in USA www amptweaker com Universal Effects Loop effects in this series loop are always active when the BigRock Pro is On A switch on the bottom positions this loop before or afte...

Page 4: ...attack on Rhythm and or Boost Extra Gate turn clockwise for even more noise gating Main Gain Tracking Noise Gate clockwise to increase gating effect down to reduce gate DELAY GUITAR IN OUT NORMAL BRP has EQ always adds Delay when Boost ON Chorus only when bypassed IN OUT EQ SideTrak CLEAN EFX DUAL AMPS Take Chorus OUT to 2nd ʻCleanʼ amp instead of RET of SideTrak for dual amp A B CLEAN FX IN ST Cl...

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