OCS1 - Loudspeaker Bogen - Free user manual and instructions
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| Product Type | Loudspeaker |
| Brand | Bogen |
| Model | OCS1 |
| Application | Public address and paging systems |
| Mounting Type | Ceiling surface mount |
| Speaker Type | Single-cone full-range driver |
| Nominal Impedance | 8 ohms |
| RMS Power Rating | 6W |
| Frequency Response | 100 Hz - 15 kHz |
| Sensitivity | 92 dB SPL / 1W / 1m |
| Maximum SPL | 102 dB |
| Dimensions (W x H x D) | 196 x 196 x 100 mm |
| Weight | 1.3 kg |
| Input Connectors | Screw terminal block |
| Color | White |
| Enclosure Material | Metal housing |
| Grille Material | Perforated steel |
| Weather Resistance | Suitable for indoor damp locations |
| Transformer Taps | 70V: 0.5W / 1W / 2W / 4W |
| Can be used at 8Ω | Yes |
| Coverage Angle | 120° conical |
| Operating Temperature | -10°C to 55°C |
| Maintenance | Wipe with dry cloth only |
| Included Accessories | Mounting bracket, screws |
| Safety Compliances | UL 2043 and UL 1480 listed |
Frequently Asked Questions - OCS1 Bogen
How do I connect the OCS1 speaker to a 70V amplifier?
The OCS1 includes a 70V line transformer with taps rated at 0.5W, 1W, 2W, and 4W. Connect the wire to the desired tap and the common terminal, then link to the amplifier's speaker output. For an 8Ω direct connection, use the two wires marked 8Ω.
Can the OCS1 be used outdoors?
The OCS1 is designed primarily for indoor use, but it is rated for damp locations. If installed under an eave or cover, it can withstand light moisture. For full outdoor exposure, consider a dedicated weatherproof speaker.
How do I select the correct power tap?
Select the tap that matches the output level you need. For larger or noisy rooms, choose a higher wattage tap like 4W. For smaller spaces, use 0.5W or 1W. Ensure the total tap wattage does not exceed 80% of the amplifier's power.
What tools are needed for installation?
You will need a screwdriver, wire cutters, and a drill for mounting holes. The speaker comes with a mounting bracket and screws. Use a template for accurate placement.
Can I daisy-chain multiple OCS1 speakers?
Yes, you can parallel up to 100 speakers on a single 70V line, as long as the total wattage does not exceed the amplifier's output. This is common for paging systems.
What type of wire should I use?
Use a twisted pair speaker wire, 18 AWG for the 70V line, or 16 AWG for longer runs. The maximum distance depends on the system voltage and wire gauge.
How do I clean and maintain the OCS1?
Use a soft dry cloth to wipe the grille and housing. Do not use water or solvents. Inspect the connections periodically to prevent corrosion and ensure proper performance.
Is the OCS1 compatible with line-level or 100V systems?
The OCS1 is specifically designed for 70V systems, but it can also be used with an 8Ω amplifier. It is not native for 100V, but many 70V speakers also handle 100V with a transformer adjustment.
What is the coverage angle and frequency response for good speech intelligibility?
The OCS1 provides a 120° conical coverage and a frequency response of 100 Hz to 15 kHz, which makes it excellent for clear paging and voice announcements.
Is the speaker certified for safety and fire rated?
The OCS1 carries UL 2043 and UL 1480 certifications, making it safe for installation in air handling spaces (plenum) and life safety applications.
User questions about OCS1 Bogen
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USER MANUAL OCS1 Bogen
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Product information
Brand : Bogen
Model : OCS1
Category : Loudspeaker