MB8TSL(VR) - Loudspeaker Bogen - Free user manual and instructions
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| Product Type | Surface-mount loudspeaker |
| Brand | Bogen |
| Model | MB8TSL(VR) |
| Driver Composition | 8-inch (203 mm) treated fiber woofer |
| High-Frequency Driver | 1-inch (25 mm) silk dome tweeter |
| Frequency Response | 55 Hz – 20 kHz |
| Sensitivity | 90 dB SPL (1W / 1m) |
| Transformer Taps | 5W, 10W, 20W (70V/100V lines) |
| Low-Impedance Bypass | 8-ohm direct input available |
| Power Rating | 20W RMS (continuous) |
| Mounting | Surface-mount bracket or direct to wall/ceiling |
| Dimensions (D × H) | 12.6 × 10.2 in (320 × 260 mm) |
| Weight | 6.8 lbs (3.1 kg) |
| Enclosure Material | UV-stabilized ABS with steel grille |
| Weather Resistance | Suitable for covered outdoor areas (VR version) |
| Compliance | UL 1480, UL 2043 (plenum rated options) |
| Maintenance | Clean with soft dry cloth; check terminal connections periodically |
| Spare Parts Available | Replacement drivers, tweeters, and transformer assemblies |
| Repairability | Removable grille and serviceable drivers; no special tools required |
| Applications | Public address, paging, background music |
Frequently Asked Questions - MB8TSL(VR) Bogen
What is the purpose of the transformer inside the Bogen MB8TSL(VR)?
The transformer allows the speaker to connect to 25V, 70V, or 100V distributed audio lines, providing multiple taps to adjust power and volume.
How do I select the correct power tap on the transformer?
Connect the line to the desired tap terminal (e.g., 5W, 10W, 20W). Higher tap yields louder output; choose based on ambient noise and required SPL.
Can I use the MB8TSL(VR) without a transformer?
Some models have a direct 8-ohm input. Check the back panel for an 8-ohm bypass switch. If not present, use the transformer's highest tap for low-impedance operation.
Is the VR model suitable for outdoor installation?
The VR (weather-resistant) version features sealed connectors and a corrosion-resistant grille, making it suitable for covered outdoor environments, but not direct rain or submersion.
What is the frequency range of this loudspeaker?
It reproduces 55 Hz to 20 kHz, providing clear speech and music reproduction for paging and background music.
How do I mount the speaker to a wall or ceiling?
Use the included surface-mount bracket, or attach directly with the internal mounting holes. Ensure the surface can support the speaker's weight (about 3.1 kg).
How should I clean the MB8TSL(VR)?
Wipe the exterior with a soft dry cloth. If needed, use a mild soap solution on the cloth, but avoid any liquid entering the driver area.
What should I do if there is no sound from the speaker?
Verify the transformer tap is connected, check the amplifier output voltage, and inspect the wiring for shorts or loose connections. Use a multimeter to test continuity.
Can I replace the loudspeaker driver myself?
Yes, the driver is serviceable. Remove the front grille, detach the wire leads, unscrew the driver, and install a replacement unit from Bogen.
What does the model suffix (VR) stand for?
VR indicates weather- and corrosion-resistant components, making it ideal for locations prone to humidity, salt air, or light mist.
User questions about MB8TSL(VR) Bogen
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USER MANUAL MB8TSL(VR) Bogen
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Product information
Brand : Bogen
Model : MB8TSL(VR)
Category : Loudspeaker