Each band offers independent center-frequency control in 1/12-octave steps over a 20Hz–16kHz frequency range, 18dB of boost or cut, and Q (bandwidth) control from 0.1 to 10. Parametric EQ (PEQ) Programs The "PEQ (4+4)" programs are versatile 4-band parametric equalizers.Both a left channel and a right-channel version of the latter are provided, so two DEQ7's can be combined (using the direct digital inputs and outputs if desired) to provide a full stereo implementation. All programs are stereo with the exception of the 27-band 1/3 octave configuration. The four EQ configurations include: 1-octave filters (10 bands), 2/3 octave filters (14 bands), 1/2-octave filters (17 bands), and 1/3-octave filters (27 bands). Graphic EQ (GEQ) Programs The DEQ7's GEQ programs provide 18dB of boost or cut.The DEQ7 delivers high quality sound plus the absolute equalization precision and stability that only digital processing can achieve.įor recording, sound reinforcement, broadcast, A/V production, acoustic control and virtually any other professional sound application, the great detail and flexibility offered by the DEQ7 is all managed through a very restricted amount of buttons and a small LCD screen, which albeit being very precise they're surely not as intuitive and quick to use as physical faders. All internal signal processing in the DEQ7 is in the digital domain. But the DEQ7's broad programmability is just the beginning of its digital story. In one compact rack-mount unit the DEQ7 offers every useful graphic equalizer configuration, versatile tone-control type equalization, precision parametric EQ configurations, extremely flexible bandpass and band rejection filters, unique "dynamic" filters controlled by LFO or manually with a foot switch.Īll the basic EQ configurations are stored in 30 preset memory locations, and 60 RAM memory locations are provided to store your own EQ settings for instant recall whenever they are needed. The extraordinary Yamaha DEQ7 Digital Equalizer has been designed to effectively cover every audio equalization requirement in virtually any application. Equalization requirements, however, are totally application-dependent, encompassing a limitless range of response configurations. Equalization is the most widely sued form of "signal processing" in all sound-related fields.
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