UAD Powered Plug-Ins Manual - 559 - Chapter 56: Trident A-Range EQ
Trident A-Range EQ Controls
Phase The Phase (Ø) button inverts the polarity of the signal. The signal is in-
verted when the button is engaged (darker). Leave the button inactive
(lighter) for normal phase. Phase is independent of the EQ IN setting.
Low Pass Filters Three low pass filters are available, and they can be used simul-
taneously in any combination. The available cutoff frequencies
are 15 kHz, 12 kHz, and 9 kHz with a slope of 12 dB per oc-
tave. Each filter is active when its button is engaged (darker).
Each low pass filter “adds” to the others. For example, engaging
the 15K filter will rolloff frequencies above 15 kHz, but engaging
9K as well will also attenuate frequencies above 15 kHz, even
more than if 15K was used by itself.
Note: See Figure
183 on page 558 and Figure 184 on page 560 when re-
ferring to the band parameters below.
High Shelf The high shelf offers Trident-A’s famous high frequency shelving EQ.
High Shelving Frequency
The edge frequency of the high shelf filter is specified by this knob. Four shelf
edge frequencies are available: 15 kHz, 12 kHz, 10 kHz, and 8 kHz.
High Shelving Gain
The gain for the high shelf filter is specified by the horizontal slider control.
The available range is ±15 dB. The gain value is zero when the slider is in the
center position.
High-Mid Band The high-mid EQ offers peak/dip “bell” equalization for the high-to-middle
frequencies.
High-Mid Frequency
The center frequency of the high-mid filter is specified by this knob. Four cen-
ter frequencies are available: 9 kHz, 7 kHz, 5 kHz, and 3 kHz.
High-Mid Gain
The gain for the high-mid filter is specified by the horizontal slider control. The
available range is approximately ±15 dB. The gain value is zero when the
slider is in the center position.
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