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TUBE ULTRA-Q T1951
Fig. 2.1: Various filter qualities
2.4 Setting of the tube stage
With the settings you have achieved so far a considerable sound improvement can be made. You may not
know this, but you have already benefitted from the tube stage of the TUBE ULTRA-Q. Even when the WARMTH
control is turned fully counter-clockwise, subtle and hardly noticeable warmth and musicality is added to the
signal. You can now drastically increase the effect by turning up the WARMTH control.
With the tube stage featured in the BEHRINGER TUBE ULTRA-Q you can add the typical tube sound with the
WARMTH control. Increasing amounts of upper harmonics generated by the new UTC circuitry are then added
to the signal. This leads to more musical and transparent hights which combine perfectly with the enhancer/
exciter effect, which can perhaps even be reduced a little in favor of the warm tube sound. You can monitor the
amount of WARMTH that is added with a glance at the WARMTH meter.
3. APPLICATIONS
3.1 Filtering out unwanted frequencies
One of the most important tasks of the TUBE ULTRA-Q is the notching out of problem frequencies. With
notching or peaking we describe the specific attenuation of single frequencies or frequency bands. A notch
filter produces an effect that is the opposite of a band-pass filter. Specific frequencies or ranges can be
targeted like hum, rattle or feedback frequencies. Resonance in a room or microphone can be eliminated
effectively.
Fig. 3.1: Typical notch function
3. APPLICATIONS
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