Valcom Stacking Feedback Eliminator

ValcomSKU: 2584856

Price:
Sale price$668.52

Description

Valcom Stacking Feedback Eliminator

The Valcom Stacking Feedback Eliminator is a professional-grade solution engineered for clear, uninterrupted audio in demanding paging, intercom, and conference environments. Designed for installations that demand reliability and scalable performance, this compact device uses advanced suppression technology to target and eliminate feedback without compromising voice clarity. Whether you’re outfitting a single meeting room or a multi-zone campus, stacking multiple units provides flexible gain management, precise feedback control, and a clean, natural sound that keeps speech intelligible even in challenging acoustic spaces. Built by Valcom, a trusted name in professional audio, this device blends solid construction with intuitive operation to deliver dependable results in daily use.

  • Stacking and scalability: Built to be stacked with other units, the Stacking Feedback Eliminator lets installers scale their system to match room size, ceiling height, and loudspeaker arrangements. This modular approach minimizes the need for oversized single-box solutions and enables tailored coverage across zones, corridors, and auditoriums. The result is consistent feedback control from the smallest classroom to the largest venue, with predictable performance as you add more units.
  • Adaptive feedback suppression: The core feature is precision feedback elimination that preserves natural voice tone while suppressing screeching loops. By using adaptive filtering and careful notch placement, the device reduces howling and ringing without dulling the intelligibility of speech. This means cleaner announcements, clearer paging, and more comfortable listening for audiences in rooms with challenging acoustics or close-miking.
  • Easy integration with existing systems: The Stacking Feedback Eliminator is designed to work with standard professional audio gear. It integrates with typical AV racks, wall-mount options, and compatible consoles or amplifiers, allowing for seamless connections via balanced and unbalanced inputs/outputs. Its straightforward signal path minimizes phase and gain issues, so you can retrofit it into current configurations without a major overhaul.
  • Rugged build and reliable operation: Constructed for daily use in education, corporate, and hospitality environments, this device features a durable chassis suited for rack mounting or surface mounting in accessible locations. The reliable performance under continuous operation helps ensure that critical announcements—whether a campus-wide alert or a routine schedule message—come through with confidence, every time.
  • User-friendly controls and indicators: Front-panel controls and indicators provide quick access to essential functions and status. The interface is designed for technicians and Audio-Visual staff who need fast adjustments during setup, maintenance, or in-room troubleshooting. Clear LEDs and simple controls reduce the time needed to optimize system performance, so operators can focus on delivering clear communications rather than chasing feedback.

Technical Details of Valcom Stacking Feedback Eliminator

  • Get this information from the "specifications" section of the product from https://ec.synnex.com/ using product "UPC" or "SKU" as reference

How to Install Valcom Stacking Feedback Eliminator

Installations begin with a clear plan for where the units will be located, how many you’ll stack, and how they fit into the overall signal chain. Begin by powering down the system and gathering all compatible components—mixing consoles, amplifiers, and loudspeakers that will interface with the eliminator. Position the devices in a standard equipment rack or on a stable shelf in an equipment room or AV closet, keeping them within easy reach for maintenance. Ensure adequate ventilation so units remain cool during operation, especially in high-use environments.

Connect the signal path in the order that preserves signal integrity. Start with the mixing console’s output feeding the Stacking Feedback Eliminator’s input, then route the processed signal from the output of the eliminator to the amplifier or to the next device in the chain. When stacking units, use appropriate interconnects to link each unit, following the manufacturer’s recommended daisy-chain or parallel configuration for cascading effects. Use balanced connections (XLR or TRS where applicable) to minimize noise pickup over longer cable runs, particularly in sites with high electrical interference or extensive cabling. If your installation requires multiple zones, arrange each unit to serve its designated area, maintaining consistent gain structure across the stack so that all zones maintain similar levels and feedback behavior.

Power up the system and perform a careful initial test. Begin with a modest volume and gradually increase until you encounter any feedback. Adjust the front-panel controls or software-determined parameters as needed to suppress feedback without compromising the naturalness of speech. When setting up multiple units, verify that stacking produces a consistent response across zones. Listen for any artifacts or changes in timbre and adjust notch filters, gain, or other parameters to maintain clear, intelligible sound. Document all settings for future maintenance and for consistent reproduction if you add or remove units later.

Maintenance and optimization are straightforward. Periodically check for dust in the rack area and ensure cable connections remain secure. If a new room or audience size necessitates different coverage, reposition units or re-balance the gain to preserve consistent levels and to continue delivering reliable feedback suppression. The Stacking Feedback Eliminator is designed to be a long-term part of your AV distribution chain, providing a dependable foundation for announcements, paging, and intercom communications, even as equipment and room layouts evolve.

Tip for best results: keep microphones away from loudspeakers and maintain an appropriate speaker-to-microphone distance. In rooms with unusual acoustic profiles, consider a staged approach to adding units to the stack to minimize accumulation of gain and ensure smooth, natural sound across all listening points. By combining thoughtful placement with careful adjustment, you’ll maximize the benefits of the Valcom Stacking Feedback Eliminator and protect your system from disruptive feedback without sacrificing vocal clarity.

Frequently asked questions

  • What is the Valcom Stacking Feedback Eliminator used for? It is designed to suppress feedback in professional audio systems, particularly in paging, intercom, and conference environments, while preserving the natural quality of voice communication.
  • Can multiple units be stacked to cover larger venues? Yes. The design supports stacking, enabling scalable coverage for multi-zone installations and larger rooms, with consistent performance across the stack.
  • Will it affect the overall audio quality of my system? When properly configured, it reduces feedback without muffling or dulling speech. The adaptive filtering targets problematic frequencies while leaving the core vocal signal intact, resulting in clearer, more intelligible sound.
  • How do I install and configure the device? Install in a standard AV rack or cabinet, connect inputs and outputs with balanced cables, and adjust gain and notch settings according to room acoustics and system requirements. Refer to your system’s guidelines for proper integration with mixers, amplifiers, and loudspeakers.
  • Is technical support available? Yes. Valcom and their authorized distributors offer technical support for installation help, configuration best practices, and troubleshooting guidance to ensure optimal performance in your environment.

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