SP58A - Loudspeaker Bogen - Free user manual and instructions
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| Product Type | Paging/Audio Loudspeaker |
| Brand | Bogen |
| Model | SP58A |
| Speaker Size | 8-inch cone driver |
| Power Rating | 5W (constant voltage line operation) |
| Impedance | 8 ohms; compatible with 70.7V and 25V lines |
| Frequency Response | 80 Hz - 12 kHz |
| Sensitivity | 90 dB SPL (1W/1m) |
| Dimensions | 9.75 inches diameter x 3.25 inches depth |
| Ceiling Cutout | 8.5 inches diameter |
| Weight | 5.2 lb |
| Finish | White painted metal grille and baffle |
| Main Functions | Ceiling paging, background music, public address distribution |
| Mounting | Ceiling tile or surface-mount bracket |
| Connections | Screw terminal strip for line and 8-ohm input |
| Maintenance and Cleaning | Wipe with a dry or slightly damp cloth; do not use solvents |
| Safety | UL recognized for indoor commercial installation |
| Spare Parts and Repairability | Replacement 8-inch driver and line transformer are available |
| General Information | Designed for 70.7V/25V distributed audio systems |
Frequently Asked Questions - SP58A Bogen
What is the power tap configuration of the Bogen SP58A?
The SP58A is a 5-watt ceiling speaker with a multi-tap transformer for 70.7V and 25V lines. Choose from taps roughly rated 5W, 2.5W, 1.25W, 0.62W, and 0.31W to match the amplifier output and desired sound level.
Can the SP58A be used with a standard 8-ohm amplifier?
Yes. Besides constant voltage operation, the speaker driver connects to an 8-ohm input on the terminal strip, allowing direct connection to conventional amplifiers and receivers.
How do I install the SP58A in a suspended ceiling?
Cut a hole approximately 8.5 inches in diameter in the ceiling tile, insert the speaker, and tighten the mounting tabs. For other surfaces, use the optional back box or surface-mount bracket.
Is the Bogen SP58A weatherproof?
No. It is an indoor commercial speaker intended for paging and music in dry locations. Do not expose it to rain or high humidity.
How should I clean the speaker grille?
Remove dust with a soft brush or vacuum cleaner. If needed, wipe the grille with a slightly damp cloth and dry it immediately. Do not use solvent or abrasive cleaners.
What frequency range does the SP58A reproduce?
The speaker is designed for speech and background music with a typical range of 80 Hz to 12 kHz. For deep bass, use a subwoofer.
Can I set the SP58A to a lower wattage?
Yes. The transformer taps allow you to reduce the power to 2.5W, 1.25W, 0.62W, or 0.31W. Lower taps are useful when fewer speakers need less volume.
Can I repaint the grille to match my ceiling?
Yes. Use a thin coat of latex paint and keep the perforations open. Let the paint dry completely before placing the speaker in the ceiling.
Why is there no sound coming from my SP58A?
Check that the line wire is connected to the screw terminals, that the transformer tap is set correctly, and that the amplifier is delivering a signal. Testing continuity with a multimeter will help identify broken wires.
Where can I download the Bogen SP58A manual?
The free PDF manual is available on notice-facile.com. Discover the download link on the Bogen SP58A page and keep it for future reference.
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USER MANUAL SP58A Bogen
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Product information
Brand : Bogen
Model : SP58A
Category : Loudspeaker