FH-47 Series Low Profile Fire Alarm Speakers
Owner’s Manual
FH-47 Series Low Profile Fire Alarm Speakers
- Listed under UL 1480 fi re protective service
- New low profi le design
- Screw terminal capacity up to AWG #12
- Field selectable taps from ¼ Watt – 2 Watts
- 25V RMS or 70.7V RMS models
- Mounts to 4” square back box
- Frequency range 400 Hz – 4000 Hz
- Integral blocking capacitor for line supervision
- Available with red or white housing
- UL Listed for wall or ceiling mount
Amseco’s low profi le, high quality, fi re alarm speakers are designed to reproduce attention penetrating tones and voice commands for emergency signaling evacuation systems. These highly effi cient low profi le speakers are available with fi eld selectable taps from ¼ W – 2 Watts. They are available in two input voltage models 25V RMS and 70.7V RMS and can be installed on a standard 4” x 4” x 1 ½” electrical back box without the need of an extension ring for a fast and cost effective installation. An in-line capacitor provides the isolation necessary for supervisory use.
The round and square speaker series are available in red or white housing.
The FH-47 Series speakers are designed to meet UL 1480 requirements for audible and voice communications. The low profi le FH-47 speakers produce a broad frequency range to reproduce emergency signals and voice communication.
Ordering Information
| Model Number | Speaker Voltage (V RMS) | Selectable Power Taps (Watts) | Grille Size (inches) | Grille Type | Grille Color |
| FH-47R-25S | 25 | 1/4, 1/2, 1,2 | 5’/ | Square | Red |
| FH-47W-25S | 25 | 1/4, 1/2, 1,2 | 5 1/2 | Square | White |
| FH-47R-25R | 25 | 1/4, 1/2, 1,2 | 7’/4 | Round | Red |
| FH-47W-25R | 25 | 1/4, 1/2, 1,2 | 7 1/4 | Round | White |
| FH-47R-70S | 707 | 1/2, 1/2, 1,2 | 5 1/2 | Square | Red |
| FH-47W-70S | ( , – | 1/4, 1/2, 1,2 | 5’/2 | Square | White |
| FH-47R-70R | 1/4, 1/2, 1,2 | 7 1/4 | Round | Red | |
| FH-47W-70R | 1/4, 1/2, 1,2 | 7’/4 | Round | White |
Engineering Specifi cations
The fi re alarm speaker shall be Amseco FH-47 Series or equivalent and capable of reproducing alarm tones or voice commands on 25V RMS or 70.7V RMS audio systems. Speakers shall provide incremental tap settings of ¼, ½, 1, and 2 Watts, and shall be selected by means of a jumper wire. The speaker shall have a frequency range of 400 to 4000 Hz and shall have an operating temperature between 14°F and 140°F. It will produce a UL sound pressure level at 10 feet up to 84dB. The speaker shall be approved for fi re alarm protective signaling use.
Specifi cations
| Rated Input Voltage (V RMS) | 25V | 70.7V | ||||||
| Input Power (Watts) | 1/4W | 1/2W | 1W | 2W | 1/4W | 1/2W | 1W | 2W |
| Impedance (Ohms) | 2.5K | 1250 | 620 | 310 | 20K | 10K | 5K | 2.5K |
| Sound Pressure Level (dB/10 ft) | 75 | 78 | 81 | 84 | 75 | 78 | 81 | 84 |
| Frequency Response (Hz) | 400-4000 | |||||||
| Low Frequency Cut-off (Hz) | 200 | |||||||
| Operating Temperature Range | 14°F – 140°F (-10°C – 60°C) | |||||||
WARNING
Conductor size (AWG), length, and capacity should be taken into consideration prior to design and installation of these products.
Dimensions: inches (mm)
Wiring Diagram
Mounting
Potter Electric Signal Company 2081 Craig Road, St. Louis, MO, 63146-4161
Phone: 800-325-3936/Canada 888-882-1833
www.pottersignal.com
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