Valcom V-936418 8-Inch Cone Speaker Assembly
Overview
The Valcom V-936418 is an 8-inch wall-mounted cone speaker assembly engineered for voice paging, two-way communication, and emergency alert distribution in indoor facilities. This speaker delivers clear audio across mid and high frequencies—critical for intelligible announcements in offices, hospitals, schools, and manufacturing environments where every word counts. The V-936418 operates at 45 ohms impedance with integrated dual resistors, a design choice that simplifies multi-speaker system wiring and reduces impedance matching headaches during installation.
Key Features
- 8-Inch Full-Range Cone: Optimized voice reproduction ensures announcements remain intelligible across typical facility distances; the cone design naturally emphasizes speech frequencies over bass, a practical advantage in noisy industrial or open-plan environments where clarity matters more than fidelity.
- 45-Ohm Impedance with Dual Integrated Resistors: Eliminates the need for external resistor networks when wiring multiple speakers in parallel or series configurations. Technicians can standardize on V-936418 units across zones and achieve 2, 4, or 8-ohm final impedance without custom calculations—a real time-saver on large deployments.
- Built-In Talkback Microphone Support: Enables two-way audio from the speaker location without requiring separate microphone equipment. Supervisors or emergency coordinators can call back to the speaker location, support area checks-in, or coordinate response without a second device—practical for hospital code announcements or warehouse floor coordination.
- Wall-Mount Fixed Installation: Standardized bracket allows mounting in hallways, offices, break rooms, and administrative areas. Fixed position means consistent acoustic coverage once positioned; no pan-tilt adjustment needed, reducing installation complexity and long-term maintenance.
- Indoor-Rated Design: Suitable for standard climate-controlled environments (offices, classrooms, hospitals, retail). Skip this unit if you need outdoor weather resistance; that requires a dedicated IP-rated outdoor speaker.
- Emergency Alert Ready: Supports rapid broadcast of critical safety announcements to multiple zones simultaneously. Integration with emergency notification systems allows school lockdown alerts, industrial alarms, or hospital overhead pages to reach designated facility areas without delay.
- Lightweight Assembly at 1.30 lbs (0.59 kg): Minimal load on wall structures reduces mounting hardware requirements and allows installation on standard drywall anchors. Weight is distributed across a small footprint, important in retrofit deployments where over-loading existing brackets or studs is a concern.
- Microphone Input Connectivity: Direct connection to paging consoles, intercom control units, and emergency notification systems eliminates the need for intermediate audio preprocessing or amplifier boxes—simplifies signal flow and reduces single points of failure.
Integration and Deployment Context
The V-936418 integrates into distributed audio systems using standard low-impedance speaker wiring. The 45-ohm impedance rating with dual resistors supports flexible topologies: parallel wiring for small installations (2–3 speakers per zone) or series configurations for larger facilities. This flexibility means you're not locked into a specific cable layout or amplifier size.
Typical deployments include corporate office paging systems, hospital code announcements with talkback to nursing stations, school emergency alert networks, industrial facility communications (warehouse floor announcements, production floor alerts), and retail or hospitality background music combined with emergency override capability. The talkback feature enables supervisor check-ins: a facility manager can initiate two-way conversation from a central control point to verify area occupancy or coordinate evacuation procedures.
When planning a multi-speaker installation, account for amplifier impedance load. The V-936418's 45-ohm design allows technicians to wire units in combinations that match standard 2, 4, or 8-ohm amplifier outputs—avoid guessing at resistor values or mixing incompatible speaker impedances. If your amplifier is rated for 4 ohms, parallel two V-936418 units to achieve target impedance; if it supports 8 ohms, wire four units in series. Verify amplifier power output (in watts) is adequate for the total number of speakers; undersized amplifiers will distort and may overheat.
When to Choose a Different Model
If your deployment requires outdoor weather resistance, humidity tolerance, or submersion potential (parking structures, exterior entry areas, high-moisture manufacturing), choose an IP-rated outdoor speaker from the Valcom lineup. If talkback functionality is unnecessary and you need only one-way paging, a simpler fixed speaker without microphone support may reduce cost. If you require higher bass output for background music applications, consider a larger cone diameter or powered subwoofer in combination with the V-936418.
Frequently Asked Questions
Q: What amplifier impedance does the V-936418 require?
A: The V-936418 is rated at 45 ohms per unit. Combine multiple units in series or parallel configurations to match your amplifier's 2, 4, or 8-ohm output. Two units in parallel yield 22.5 ohms; four units in series yield 180 ohms. Verify your amplifier's impedance rating before wiring to avoid damage.
Q: Can I use the V-936418 outdoors?
A: No. The V-936418 is rated for indoor environments only. It is not weather-sealed or moisture-resistant. For outdoor paging, specify a weatherproof IP-rated speaker designed for exterior mounting.
Q: Does the talkback microphone require a separate power source?
A: The talkback microphone input is passive and does not require separate power. Connect it directly to an intercom console or emergency notification system that supplies microphone-level input. Verify your paging console has a microphone input jack compatible with standard 1/8-inch or XLR connectors.
Q: How many V-936418 units can I wire to one amplifier?
A: Total count depends on your amplifier's wattage and impedance rating. A 100-watt amplifier rated for 4 ohms can safely drive multiple V-936418 units wired to maintain 4-ohm total impedance. Do not exceed the amplifier's rated impedance load or power output; consult the amplifier manufacturer's specifications and the installation guide.
Q: Is the V-936418 suitable for hospital code announcements?
A: Yes. The full-range 8-inch cone delivers intelligible voice reproduction for urgent announcements. The talkback feature allows nursing staff to confirm message receipt or coordinate response. Integrate with a hospital emergency notification system for rapid distribution to multiple zones simultaneously.
Q: What is the maximum distance the V-936418 can project audio?
A: Coverage depends on amplifier power output (wattage), room acoustics, and background noise level. An 8-inch speaker at 50 watts is suitable for typical office hallways and break rooms (50–100 feet in quiet environments); large open warehouses or noisy production floors may require additional speaker units or higher amplifier power. Conduct a site survey to verify intelligibility at the furthest listening points.
Ted PerryPerspective based on aggregated IP Security Depot and affiliated engineering team experience.
During pre-deployment planning for a mid-sized facility requiring both routine paging and emergency alert capability, the Valcom V-936418 stands out for its straightforward impedance matching and talkback integration. The dual-resistor configuration simplifies multi-speaker wiring by allowing technicians to standardize on 45-ohm units across zones rather than managing mixed impedance calculations or external resistor networks.
Technical Highlights:
- 45-Ohm Impedance with Dual Integrated Resistors: Eliminates custom impedance calculations. Two units in parallel = 22.5 ohms; four in series = 180 ohms. Matches standard 2, 4, or 8-ohm amplifier outputs without additional components, reducing installation time and error risk on large deployments.
- 8-Inch Full-Range Cone: Naturally emphasizes speech frequencies—critical in noisy environments (warehouses, manufacturing floors, open offices). A 50-watt amplifier drives intelligible announcements across typical facility hallways and break rooms; undersized amplifiers (under 25 watts) will distort in large open areas.
- Talkback Microphone Support: Passive microphone input allows two-way communication without separate power supplies. Supervisors or emergency coordinators can initiate call-back to confirm message receipt, coordinate area evacuation, or check occupancy status—particularly valuable in hospital code announcements or industrial emergency procedures.
Deployment Considerations:
- Impedance Load Calculation Critical: Verify amplifier wattage output at the final impedance load you intend. A 100-watt amplifier rated for 4 ohms cannot safely drive that load at 2 ohms; over-impedance loading causes amplifier shutdown or damage. Calculate speaker combinations before final wiring.
- Indoor-Only Rating: Do not install in exterior locations, high-humidity manufacturing areas, or parking structures. Moisture exposure degrades the cone and voice coil rapidly. Retrofit projects in existing buildings must confirm wall-mounted location is protected from condensation or direct water exposure.
- Amplifier Power Sizing: An 8-inch speaker at 25 watts is adequate for small offices and hallways (50 feet). Large warehouses or open production floors require 50+ watts and/or multiple speaker units. Conduct a site survey to verify intelligibility at the furthest listening points before final system design.
Best fit: corporate office paging systems where talkback coordination is routine, hospital overhead announcements with staff confirmation, and school emergency alert networks requiring rapid broadcast to multiple zones without additional microphone hardware. The V-936418 is not the choice if you need outdoor durability or high-fidelity background music reproduction.
