Edwards 874-N5 120V Adjustable Vibrating Horn
Heavy-duty industrial horn built for clear signaling in high-noise manufacturing environments.
Description
The Edwards 874-N5 vibrating horn is a powerful industrial signaling device designed for use in large manufacturing buildings and other demanding work environments. It produces a strong, penetrating sound that remains effective in areas with high background noise or sound-absorbing materials.
This horn operates on 120VAC power and draws only 0.18 amps while sounding, making it efficient while still delivering high output. The sound level is adjustable from 78 to 102 decibels, allowing the signal to be tuned for the size and noise level of the facility.
Vibrating horns are especially effective in environments with “white noise,” such as compressed air systems, as well as locations where sound is absorbed by fabric, insulation, or cabinetry. For this reason, the 874-N5 is commonly found in large manufacturing plants, cabinet shops, and similar industrial spaces.
Common Applications
- Manufacturing facilities
- Large industrial buildings
- Shift start and end signaling
- Break and lunch alerts
- Warning and attention signals in noisy areas
Electrical Specifications
| Operating Voltage |
120VAC |
| Current Draw |
0.18 Amps (when sounding) |
| Sound Output |
Adjustable 78–102 dB |
| Signal Type |
Vibrating Horn |
Construction & Installation
- Heavy-duty die-cast metal construction
- Includes mounting plate for secure installation
- Designed for indoor use
- Can be converted for outdoor use with optional weatherproof housing
Installation Notes
This horn is designed for 120VAC operation and is commonly used with timers, master clocks, or bell control systems. When connected to electronic or biometric time clocks, an isolated power supply or signal interface is typically required to protect sensitive clock circuitry.
Product Identification
We stock these horns.
UPC 997847391265
4 inch buzzer, 4" buzzer, shop buzzer, work shift buzzer, work shift timer
This has been going on for years: People keep asking "How loud are your bells?" Unfortunately, it's like describing a dinner at a restaurant. It depends on the environment. Is it an empty room like a gymnasium? Does it have lots of rooms, or lots of background noise like a woodworking shop? Is this a warehouse with lots of rows of shelving and boxes of fabric?
Bells and buzzers all seem to max out at 102db. 102db is very loud.
110db is extremely loud, check out the YouTube video below.
In our experience, installing 2 to 3 bells or buzzers is much more effective than just one. Put one by the timer, then run wire out the another, 50 to 100' away. It won't be louder, it will just be more likely to be heard above all the background noise.
So, yours truly did some research recently (2016), this is interesting:
Using an Android phone decibel app, this is what we found:
**A bedroom at night in the country, windows closed: 28 - 32 db
**A bedroom at night in the city with the windows closed: 42- 46 db
**Office environment, people chattering: 62db
**American Airlines 737 inside just behind the wing during takeoff 86db
**Same jet, landing with the reverse thrusters on: 88db That ROAR you hear..
**Same jet, cruising for 3 hours, it's 82 to 86db. That's partially why flying is tiring.
Shop buzzer's: 102db (Edwards, the ones we sell) Other brands "hum" at 82 to 86.
Our bells test out at 98 to 103db depending on voltage
It seems that no one offers anything louder than 103db, unless it goes on a train, ocean liner, or fog horn. In some cases loudspeakers are used on farms; we don't have them, but our equipment will ring them. This is 110db, a train horn on an obnoxious person's pickup truck. In a working environment, this would clearly cause accidents.
https://www.youtube.com/watch?v=TiWNw0A1Ijg&feature=related
More bells or horns does not make it louder, it just makes it more pervasive - easier to hear through the machinery, across the rooms, over the land.