12. EQ1/EQ2- This switch allows you to choose between 2 completely different equalization
settings. EQ1 is a lower gain setting, with extended midrange and bass available when used in
conjunction with the middle and bass controls as well as the deep switch. This setting is suitable
for any style requiring a pure clean tone with a nice round bottom and plenty of headroom.
EQ2 is a higher gain setting. This setting is suitable for any style requiring a clean to slightly
distorted tone in clean mode, and more gain in the lead mode.
13. Reverb Send- The reverb drive control determines the amount of signal applied to the reverb
tank. Low settings will create a very open, small room reverb effect with a short decay time.
Advancing the control clockwise increases the signal applied to the driver, and a very saturated
effect with a sharp attack and a long decay can be obtained.
14. Reverb Return- The reverb return control mixes the reverb effect signal with the dry signal. At
full counterclockwise rotation, the reverb effect is defeated. Using the return control in conjunction
with the reverb drive control, a wide range of natural reverb effects can be produced.
15. Gain Structure- The 3 position gain structure switch changes the sensitivity and overall feel of
the preamp. In the down position, the amp feels similar to a vintage blackface, the middle position
is much like the Two-Rock Matt Schofield Signature front end with a hotter input stage, and the full
up position is our traditional Two-Rock frontend.
16. Bypass Switch- This switch bypasses the tone controls, increasing both level and mid-range
response. To enable footswitch control of this function, switch must be in the down position.
17. Contour Control- The contour control is an active wide band sweep. In the 12 o’clock
position, the amps’ frequency response is flat. Counterclockwise rotation reduces high end
response and increases low frequencies. Counterclockwise rotation decreases low end and
increases the high frequency response. This control is very useful for maintaining preamp tone
control settings, while allowing a global adjustment to compensate for differences in room
acoustics, speaker cabinets, or bright to dark guitars (PRS Humbucker to Strat, for example). This
control also actively reduces the articulation available, allowing a softer setting, or extremely open
and revealing, depending on your individual style and requirements.
18. Stand-by Switch- Should be in the “down” or “stand-by” position when you apply power to the
unit. After a few seconds, place the switch in the “up” position to use the amplifier. You may leave
the unit “powered up” and place this switch in the “stand-by” position to mute the output.
19. Indicator Lamp- This lamp will illuminate when the power switch is in the “up” position,
indicating the unit is receiving A/C power.
NOTE: All switches are ON in the “up” position (except reverb switch, see description)
