P-40B - Loudspeaker Sound Ordnance - Free user manual and instructions
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| Product Type | Bookshelf Loudspeaker |
| Brand | Sound Ordnance |
| Model | P-40B |
| Design | 2-Way Bass-Reflex |
| Drivers | 1" Tweeter + 5.25" Woofer |
| Frequency Response | 60 Hz - 20 kHz |
| Sensitivity | 87 dB (2.83V/1m) |
| Impedance | 8 Ohms |
| Power Handling | 10 - 100 Watts RMS |
| Crossover Frequency | 2.5 kHz |
| Enclosure Type | Ported (Bass-Reflex) |
| Binding Posts | 5-Way Banana Jacks |
| Dimensions (W x H x D) | 7.5" x 12" x 8.5" (190 x 305 x 216 mm) |
| Weight | 10 lbs (4.5 kg) |
| Finish | Black Vinyl |
| Grille | Removable Cloth Grille |
| Mounting | Keyhole Bracket for Wall Mounting |
| Recommended Amplifier Power | 15 - 80 Watts per Channel |
| Warranty | 2 Years |
| Cleaning | Dust with a soft, dry cloth |
| Safety | Do not expose to moisture or liquids |
| Repairability | No user-serviceable parts; contact a certified technician |
Frequently Asked Questions - P-40B Sound Ordnance
What is the best way to connect the P-40B speakers to my amplifier?
Turn off your amplifier, then connect the speaker wires to the 5-way binding posts on the back of the P-40B. Ensure correct polarity: connect red (+) to red (+) and black (-) to black (-). Tighten the posts securely for a reliable connection.
Can I mount the P-40B on the wall?
Yes, the P-40B features a keyhole bracket on the rear panel. Use a sturdy screw or wall anchor appropriate for your wall type, and hang the speaker securely. For safety, verify the bracket engages fully before releasing.
What gauge speaker wire should I use?
For distances up to 50 feet, 16-gauge wire is ample. For longer runs, use 14-gauge or 12-gauge wire to minimize resistance and signal loss. Always use high-quality stranded wire for flexibility and durability.
How do I clean the speaker grille?
Gently pull the grille off the speaker. Vacuum it with a soft brush attachment or wipe with a lightly dampened (not wet) cloth. Let it dry completely before reattaching. Do not use abrasive cleaners.
My speaker has no sound; what should I check?
First, verify the amplifier is on and not muted. Check the speaker wire connections at both ends; ensure bare wires are not touching adjacent posts. Test the wire with another speaker if possible. Finally, try a different audio source to rule out source issues.
Can I use these speakers outdoors?
The P-40B is not weather-sealed, so it is not recommended for outdoor use. Exposure to humidity, rain, or direct sunlight can damage the drivers and cabinet. Use them in a dry, covered area only.
What is the recommended placement for optimal sound?
Place the speakers at ear level, ideally 6-8 feet apart from each other and away from walls to reduce bass buildup. Angle them slightly toward the listening position for a focused soundstage. Experiment with toe-in for the best imaging.
How do I break in new speakers?
Play them at moderate volume for 20-30 hours with varied music. This allows the suspension and surround to loosen, improving bass response and smoothness. Avoid excessive volume during break-in to prevent damage.
What is the difference between bi-wiring and bi-amping?
Bi-wiring uses two separate cables from the same amplifier to the speaker's high and low terminals. Bi-amping uses two amplifier channels, one for each driver section. Bi-amping can reduce intermodulation distortion, but bi-wiring is simpler and often yields only minor benefits.
How do I protect my speakers from overheating?
Ensure proper ventilation around the speakers and amplifier. Do not block the rear bass reflex port. Avoid driving the speakers at maximum volume for extended periods. If you notice distortion, lower the volume immediately to prevent voice coil damage.
User questions about P-40B Sound Ordnance
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USER MANUAL P-40B Sound Ordnance
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Product information
Brand : Sound Ordnance
Model : P-40B
Category : Loudspeaker