USL XTD-680 - Manual (Page 11)

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High Band (Biamp and Triamp)
High Pass Filter (Lindquist-Riley): 200 to 4 kHz
Band Gain: -18 to 0dB
Band Delay: 0 to 5304uS
Parametric: Frequency: 300 to 20 kHz
Gain: -12 to +6dB
Q: 0.5 to 10
Horn Filter: Frequency: 1 k to 15 kHz
Gain 0 to +6dB
Screen Filter: Frequency: 1 k to 15 kHz
Gain: 0 to +6dB
Band Mute
Invert
Mid Band in Triamp / Low Band in Biamp
High Pass Filter (Lindquist-Riley): 130 to 1kHz; triamp only
Low Pass Filter (Lindquist-Riley): Triamp: 200 to 4kHz, Biamp: 100 to 4kHz
Band Gain: -18 to 0dB
Band Delay: 0 to 5304uS
Parametric: Frequency: Triamp: 100 to 4 kHz, Biamp: 25 to 4 kHz
Gain: -12 to +6dB
Q: 0.5 to 10
Band Mute
Invert
Low Band in Triamp Only
Low Pass Filter (Lindquist-Riley): 200 to 4 kHz
Band Gain: -18 to 0dB
Band Delay: 0 to 5304uS
Parametric: Frequency: 25 to 800Hz
Gain: -12 to +6dB
Q: 0.5 to 10
Band Mute
Invert
Subwoofer Channel
Low Pass Filter (12dB/Oct): 500Hz, fixed.
Band Gain: -18 to 0dB
Band Delay: 0 to 5304uS
Band Mute
Invert
Specifications Contd.