Ceres 3-ch Preamp Instruction Manual
March 2019, Rev A. – Kyle Rhodes
Initial Setup Quick-Start
Power / Connections
1. Connect a suitable DC power adapter – center negative, 9V, and capable of at least 200 mA (0.2A) of
current. This jack is between the input and output jacks.
2. Connect your guitar to the input jack (right jack when looking down at the face of the pedal).
3. Connect a power amp to the output jack. Alternatively, connect to an audio interface, cabinet
simulation box, etc.
Controls
4. Set all knobs to 12:00 (noon, straight up), except the Level controls, keep at minimum for now.
5. On Rhythm channel (middle row of knobs), set Bright Up, Fat Down, Mode Up.
6. On Lead channel (bottom row of knobs), set Bright Up, Fat Up, Mode Down.
7. Set Bypass Mode (switch in upper left corner) to Clean (Up).
Buttons
8. After the power-on sequence, the KSR logo should be glowing green (Clean channel active).
9. The Bypass (left) button will toggle the pedal between Clean and distortion.
10. The Rhythm/Lead (right) button will toggle between the Rhythm (blue KSR) and Lead (white KSR)
channels.
11. Note – hold the Left button for a few seconds to mute. This is useful for tuning and changing guitars.
Play
12. Slowly bring up the Level controls until you’re happy with the volume. Depending on the power amp
sensitivity these controls can yield a high volume even with low settings, so use caution for your
hearing’s sake. Feel free to tweak the controls, and see the Control Description below for more
details.
Control Description
Overview
Both distortion channels have the same switches and controls, and work in the same manner. However,
Rhythm is inherently tighter and more aggressive than the Lead channel. Lead is more compressed and
smoother and fatter overall.
The Clean channel is not designed to get the “pushed” sound with the Level increased. It is designed to stay
clean. If you notice any distortion on this channel it will likely be unpleasant, and it is best to lower the Level
control. Note that due to the design of the audio circuit, clipping this channel can also adversely affect the
Rhythm and Lead channels.
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