Nilfisk-ALTO user manual Application, Use the HPA6 as a Headphone Amplifier

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4.3Rack Mounting

The most secure mounting is on a universal rack shelf available from various rack manufactures or your music dealer. The HPA6 6-Channel Headphone Amplifier fits into one standard 19" rack unit of space. Please allow at least an additional 4" depth for the connectors on the rear panel. Be sure that there is enough air space around the unit for sufficient ventilation and please do not place the HPA6 6-Channel Headphone Amplifier on high tem- perature devices such as power amplifiers etc. to avoid overheating.

5.APPLICATION

This section introduces some typical applications of your LTO HPA6 6-Channel Headphone Amplifier. Please reserve your time to well understand the control elements ( see Chapter 3 ) and the following application examples, so as to be able to fully exploit the HPA6 6-Channel Headphone Amplifier.

5.1Use the HPA6 as a Headphone Amplifier

This is the basic application for HPA6 6-Channel Headphone Amplifier.

While using the HPA6 as a Headphone Amplifier, please apply the program source to Main / Direct In Inputs, and connect the headphone cable to one of the appropriate outputs. Ensure the Balanced Control adjusted to the complete counter-clockwise position, and turn up the Input Gain control. The Input Gain control is used to boost or attenuate the general volume of all the headphones, while the individual Output Gain controls are used to set the desired channel volume.

Three headphones can be connected per channel each time, but, please be sure that the resulted connection impe- dance must over 100ohms, otherwise, the output amplified signal may sound a little offensive, in terms of long time fault condition usage, the headphone amplifiers will be finally damaged or distorted.

If you still need further headphone ports or more groups headphone amplifier, please interlink any number of HPA6 via the Main outputs.

In parallel with the Headphone Output on the rear panel, the Headphone Output on the front panel is also used to output the signal of the individual channel, such function proves to be very useful esp. in the rack mounting application.

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Contents HPA6 Important Safety Instructions Safety Related SymbolsPower Supply External ConnectionPreface Table of Contents Feature List IntroductionControl Elements Mode Switch Mute SwitchDirect In Input Input Gain ControlMain Output Connectors Main Input ConnectorsFuse holder / Voltage selector AC InletInstallation & Connection Wiring ConfigurationMains Connection Use the HPA6 as a Headphone Amplifier ApplicationUse the HPA6 as Independent Power Amplifiers HPA6 in Mono / Stereo Application Background musical signals Headphone Output Main InputPower Amplifier Warranty Registration Card WarrantyNO.1, Lane 17, SEC , HAN SHI West ROAD, TAICHUNG, 401 Taiwan

HPA6 specifications

The Nilfisk-ALTO HPA6 is a high-performance professional vacuum cleaner designed for a variety of cleaning applications. Known for its robust construction and efficient operation, the HPA6 is ideal for cleaning in environments such as offices, retail spaces, and industrial settings.

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With its powerful performance, advanced filtration system, and user-friendly features, the Nilfisk-ALTO HPA6 stands out as a reliable cleaning solution for both commercial and industrial applications, meeting the demands of various cleaning professionals effectively.