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Type | Active Subwoofer |
---|---|
Woofer Size | 12 inches |
Output Connectors | XLR |
Max SPL | 118dB |
Enclosure Material | Wood |
Input Connectors | XLR, TRS |
Phase Switch | 0/180 degrees |
Power Rating | 200W RMS |
Essential safety guidelines for operation, handling, and maintenance.
Advice on placement, cleaning, ventilation, and heat management.
Statement on the apparatus's compliance with radio noise emission limits.
Overview of the HRS120's features, benefits, and applications.
Detailed description of the subwoofer's drivers, cabinet construction, and amplifier.
Step-by-step guide for initial setup, power-on sequence, and basic adjustments.
Instructions for connecting the subwoofer for stereo audio setups.
Instructions for connecting the subwoofer for surround sound audio setups.
Understanding how room acoustics affect bass response and minimize interference.
Recommendations for placing the subwoofer in corners, centers, or specific room locations.
Method for finding optimal subwoofer placement by switching listening and unit positions.
Tips for final placement adjustments and setting the polarity switch for optimal sound.
Recommendations for experimentation, clearance, shutdown order, and record keeping.
Information about THX certification and its relevance to the HRS120.
Explanation of the power and bypass indicator lights on the rear panel.
Details on the subsonic, bypass, select filters, and LFE gain adjustment switches.
Guidance on setting input sensitivity and polarity for optimal audio blending.
Details on connecting audio sources and main speakers using XLR and RCA connectors.
Explanation of the crossover frequency adjustment and master/slave linking for multiple units.
Information on connecting a footswitch for bypass and a remote status indicator.
Instructions for linking multiple HRS120 units using master/slave connections.
Details on using a footswitch for bypass and connecting a remote status indicator.
Explanation of the main power switch and its stabilization delay.
Instructions for connecting the AC power cord to the IEC socket.
Description of peak limiter and thermal protection for safeguarding the unit.
Recommendations for using high-quality, shielded cables for signal transmission.
Guidance on connecting receiver speaker outputs with attenuators.
Steps to diagnose and resolve problems related to the unit not powering on.
Steps to diagnose and resolve problems related to no audio output.
Steps to diagnose and resolve issues causing unwanted noise, hum, or buzz.
Instructions for contacting Mackie for service and obtaining an RA number.
Guidelines for packing the subwoofer for return shipment and required documentation.
Schematic diagram illustrating the internal signal flow and components.
Graph showing the frequency response of the crossover filters at various settings.
Graph illustrating the frequency response of the elliptical low-pass filter.
Graph showing the subwoofer's response in a free-field environment.
Details on materials, internal volume, and dimensions of the subwoofer cabinet.
Information on the low-frequency driver and passive radiator used in the HRS120.
Technical details on crossover, inputs, filters, amplifier output, and noise ratio.
Data on frequency response, SPL, power consumption, weight, and dimensions.
Details on the 3-year warranty, what is covered, and common exclusions.
Instructions for obtaining warranty repair, including registration and RA number.