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OPFXS DIG DEEP User Manual page 2

Sub-harmonic generator

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SUB TONE (12 steps): sets the tone of sub octave, from dark (CCW) to bright (CW). It's a 12 steps setting, so up to 12
different tone options.
How to set a new SUB TONE: press FUNCTION once. LED will start blink at 1 sec rate. Set new SUB TONE by moving
the SUB knob and play to test which setting you prefer. When done press FUNCTION once again to exit.
While setting TRACKING and SUB TONE, both SUB and DRY levels are held and not affected by moving the respective
knobs. This is useful for setting TRACKING and SUB TONE while playing with previous levels of SUB and DRY.
TRACKING and SUB TONE values are changed and saved only after moving their knobs. So if you press FUNCTION by
accident or want to set TRACKING or SUB TONE only there's less risk to perform an undesired modification.
All settings are saved inside internal memory and recalled at power on of the pedal.
Tips with tube amps: some tube amps can be easily overloaded with certain settings of Dig Deep by pushing preamp
section into saturation. This happens when amount of dry signal is low and bass content is too high. Such a
combination produces high harmonics and sort of ring modulation distortion, while it could be considered an
interesting sound shaping feature it could annoy who is looking for a clean sound. To avoid such effect there are a
number of possibilities to get around it.
- set SUB at zero and adjust DRY so that it's at the same level of bypass. Raise SUB until you find the sweet balancing
where you have a good amount of octave down effect compared to dry signal.
- Decrease the preamp gain on your tube amp and increase the master level to compensate for volume drop if
occurs.
Dig Deep has been engineered to work with guitar but it responds well to different type of instruments and sound
sources.
For best and accurate tracking always put Dig Deep before any pedals/effects that alter the harmonic content. It's
not a rule, feel free to experiment at your own taste!
Specs:
Powering: 9V DC with center negative DC Jack 2.1mm (BOSS™ standard)
Current consumption @ 9V DC:
-
90mA in MONO mode
-
100mA in SPLIT mode
Input nominal level: instrument
Input Impedance: 500k Ohm
Output Impedance: 600 Ohm
Bypass: true-bypass

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