About the types of displays of the graph for the reverb characteristics after EQ calibration

For “SYMMETRY” or “FRONT ALIGN”

•The display type is set to “Pair Ch” (page 13). For reasons of the properties of the different EQ curves, when the “Each Ch” display type is set, the reverb characteristics for the different channels do not line up properly.

•The reverb characteristics prior to calibration are displayed in the “Each Ch” mode, so if you want to compare the characteristics before and after calibration, set the display type prior to calibration to “Pair Ch”. This way the number of channels before and after calibration are the same, allowing you to compare.

For “ALL CH ADJ”

•The display type is set to “Each Ch” (page 13). For reasons of the properties of the EQ curves, when the “Pair Ch” display type is set, the reverb characteristics for the different pairs of channels do not line up properly.

•Since the “Each Ch” display type is set both before and after calibration, the graphs can be compared as such.

Displaying the reverb characteristics after EQ calibration (actually measured values)

The graphs for before and after calibration can be displayed at the screen displaying the graphs of the reverberation characteristics after Full Auto MCACC measurements, but note that the graph displayed here for the characteristics after calibration is a prediction of the reverb characteristics after MCACC calibration. If you want to check the graph of the actually measured reverberation characteristics after MCACC calibration (not the prediction), you must re-measure the reverb characteristics after calibration. To do so, follow the procedure described below.

1 Connect the receiver to your PC with an RS-232C cable.

If the “Full Auto MCACC” operation has never been performed, conduct the “Full Auto MCACC” operation here.

(See page 41 of the receiver’s Operating Instructions.)

2 Select the “EQ Professional” option for “Manual MCACC”, and perform with “Reverb Measurement” set to “EQ ON”.

(See page 84 of the receiver’s Operating Instructions.)

Measure the room’s reverb characteristics after equalization with the microphone at the same position as when the “Full Auto MCACC” operation was performed. The measurements are performed with the EQ values stored in the MCACC memory selected on the receiver, so before measuring the reverb characteristics, select the MCACC memory to be measured after equalization.

3 Receive and save the data by selecting “Output PC” from “MCACC Data Check”.

You can display the graph of the reverberation characteristics actually measured after EQ calibration by displaying the Reverb graph and selecting “After”.

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Pioneer VSX-21TXH, VSX-23TXH, VSX-9040TXH, VSX-9140TXH manual For Symmetry or Front Align, For ALL CH ADJ
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VSX-9140TXH, VSX-9040TXH, VSX-23TXH, VSX-21TXH specifications

Pioneer has long been a frontrunner in the audio visual receiver market, and its VSX series is a testament to the brand's commitment to delivering high-quality home theater experiences. The VSX-21TXH, VSX-9040TXH, VSX-23TXH, and VSX-9140TXH are standout models that offer an impressive array of features, technologies, and characteristics.

Starting with the VSX-21TXH, this receiver showcases Pioneer’s ability to produce powerful, immersive sound. It provides a robust 7.1-channel surround sound configuration, which allows for full-bodied audio staging, making it perfect for both movies and music. The device is equipped with Dolby TrueHD and DTS-HD Master Audio technologies, ensuring high-definition sound quality. One of its notable features is the Integrated HDMI circuitry, which allows support for multiple HD sources while maintaining an elegant and clean setup.

Moving on to the VSX-9040TXH, this model elevates the audio experience with its advanced Class D3 amplification technology. This innovative design delivers high efficiency while minimizing power consumption. The VSX-9040TXH supports both wired and wireless surround sound setups, featuring built-in Wi-Fi and Bluetooth connectivity. This model is particularly user-friendly, boasting an intuitive GUI that enables easy navigation and setup.

The VSX-23TXH adds further functionality with its inclusion of multi-zone audio capabilities, allowing users to enjoy different audio sources in separate rooms simultaneously. This model also features advanced sound optimization technology, such as MCACC (Multi-Channel Acoustic Calibration System), which automatically calibrates audio settings based on the room’s acoustics to deliver the best sound quality.

Lastly, the VSX-9140TXH represents the pinnacle of the VSX series with its 9.2 channel surround sound. This receiver is designed for true audiophiles, delivering exceptional sound clarity and richness in all audio formats. It offers support for the latest surround formats, including Dolby Atmos and DTS:X, which enable immersive three-dimensional sound experiences. Additionally, the receiver features a high-resolution audio playback feature, supporting formats such as FLAC and DSD for those who crave studio-quality sound.

In summary, the Pioneer VSX-21TXH, VSX-9040TXH, VSX-23TXH, and VSX-9140TXH are remarkable audio video receivers, each capitalizing on cutting-edge technology and innovative features. They cater to various audio needs, making them ideal choices for anyone looking to enhance their home cinema or music environments. These models not only promise superior sound and user experience but also stand as a reflection of Pioneer’s dedication to audio excellence.
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