Yamaha V4.0 DME Designer V4.0 Owners Manual - Page 469

Chapter 6 Component Guide  Parametric Equalizer Click the Crossover Processor [PEQ] button to open the window. Parametric equalization is provided for each crossover band. [Speaker Processor - PEQ] edit window          Name Function  Crossover response (phase)  Crossover response (level) Parameter Range  Type PEQ L.SHELF 6dB/Oct L.SHELF 12dB/Oct H.SHELF 6dB/Oct H.SHELF 12dB/Oct HPF LPF APF*1 1st APF*1 2nd Horn EQ*2  B/W 0.023 ~ 6.672 Q 63.0 ~ 0.10  Frequency 20 Hz to 20 kHz  Gain -18 dB to +18 dB  Bypass ON/OFF  PEQ On ON/OFF Shows crossover phase response. Shows crossover level response. Function Select a filter type from the menu. Sets the octave bandwidth for each band. Sets the Q for each band. Sets the frequency for each band. Sets the gain for each band. Bypasses the PEQ for each band. Turns PEQ ON. *1 APF: The APF (All Pass Filter) is a filter that passes all frequency bands while affecting only the phase. This is mainly used to correct the phase at the crossover band. APF 1st will invert the phase at the specified frequency by 90° and for entire frequency bands by 0°-180°, while APF 2nd will invert the phase at the specified frequency by 180° and for entire frequency bands by 0°-360°. For APF 2nd, you can adjust the Q setting. *2 Horn EQ: CD (Constant Directivity) horn speakers exhibit a roll-off in high-frequency level. Horn EQ is provided to compensate for this roll-off. For this reason the gain can only be set to higher than 0dB, and the frequency higher than 500Hz. DME Designer Owner's Manual 469