IMX644 YAMAHA PDF

The amp offers 8 channels, and the digital IMX offers powerful computer-control conventions and a highly simplified front-panel interface intended to make operation easy for non-professionals. It is commonly the case that untrained or inexperienced individuals are required to operate systems such as these, and simplicity of operation is a key attribute. The mixer can interface with a computer in order to easily access a deeper list of parameters, so skilled operators can dig in and make minute adjustments to optimize the sound. In all, this is pretty simple—exactly the intention to simplify operation for non-professionals. From left to right, the rear panel features an AC power in, ground screw, RS and GPI terminals, four stereo RCA inputs, a single RCA stereo recording output, optical input and output jacks, twelve Euroblock terminals representing six inputs and six outputs, and phantom power and pad switches for each input.

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The amp offers 8 channels, and the digital IMX offers powerful computer-control conventions and a highly simplified front-panel interface intended to make operation easy for non-professionals. It is commonly the case that untrained or inexperienced individuals are required to operate systems such as these, and simplicity of operation is a key attribute. The mixer can interface with a computer in order to easily access a deeper list of parameters, so skilled operators can dig in and make minute adjustments to optimize the sound.

In all, this is pretty simple—exactly the intention to simplify operation for non-professionals. From left to right, the rear panel features an AC power in, ground screw, RS and GPI terminals, four stereo RCA inputs, a single RCA stereo recording output, optical input and output jacks, twelve Euroblock terminals representing six inputs and six outputs, and phantom power and pad switches for each input.

The four stereo inputs are intended for music or other pre-recorded content, for instance from CD players, satellite or radio receivers, and computers. Any such audio source that offers an optical output can be connected via the unit to minimize signal degradation. This input features a sample rate converter, so no word clock sync is necessary. Up to 16 sets of mixer settings can be stored in the unit, with any four available by pushing one of the four recall buttons on the front panel. This facilitates initial configuration by an audio professional, then recall at the appropriate time by a non-professional.

The system offers three bands of parametric EQ on the mono inputs and two-band parametric EQ on the stereo inputs. All six mono input channels feature two-stage feedback suppression.

The first stage consists of static filters that can be set in advance, and the second stage is a bit more sophisticated, with dynamic filters that self-adjust to eliminate feedback.

The system applies priority ducking when a signal appears at a specified mono input, attenuating all stereo inputs—obviously to duck music under a voice announcement. Similarly, the system employs music override, prioritizing one stereo input over the others; it literally mutes the remaining three when signal appears at the specified priority input. Precision delays can also be applied to each output individually in order to achieve perfect time alignment between all speakers in a particular acoustic space.

IMX Manager displays the inputs and outputs and allows for naming them. All DSP functions are shown on-screen, with all parameters available for adjustment. The graphical user interface employs one slightly unorthodox convention—the value of a knob is increased by pressing the right button on the mouse, and decreased by pressing the left button.

It actually works quite well—but may initially confuse some users. The 2U front panel of the IPA amplifier features a power switch, displays, and controls for each of four pairs of internal amps. The middle third houses the control interface. LEDs indicate signal presence, clipping, protection shutdown, and muting, along with parallel and bridge modes. Each channel also has a recessed mute button and recessed input level knob, which is adjusted with a screwdriver.

Screw holes are also featured on the front panel for the installation of a security cover. The middle two quarters of the panel are comprised of inputs and outputs. Each of the four has a slider switch to determine whether the input is configured as stereo, bridged, or parallel. Indeed, the amp has enough power to create plenty of SPL, and with the matrixing and DSP capacity of the mixer, this is the heart of a formidable system. As one would expect from Yamaha, the quality of the audio is very good—the DSP equalization and filtering sounds great, and the priority ducking works reliably.

And for more sophisticated control, the computer software grants detailed command of every parameter. He has consulted in the development of studios and installations and provides high quality podcast production services. Product Summary.

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Yamaha IMX644 Owner's Manual

Easy Panel Operation and Memory Recall The front panel features input and output level controls as well as four buttons for memory recall. The internal memory can store up to 16 mixer setups, four of which can be recalled directly from the front panel. Memory recall is particularly useful in general facilities such as event spaces and banquet halls where it allows appropriate settings for specific situations to be recalled in an instant. Feedback Suppression on All Six Mono Inputs Since the most likely sources for the mono inputs will be microphones, feedback suppression is provided on all six mono inputs.

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