SP-46SM - Loudspeaker NEC - Free user manual and instructions
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| Product Type | Passive bookshelf loudspeaker |
| Brand | NEC |
| Model | SP-46SM |
| Dimensions (W x H x D) | 230 mm x 150 mm x 200 mm |
| Weight | 2.5 kg per speaker |
| Power Handling (RMS) | 40 W |
| Frequency Response | 60 Hz - 20 kHz |
| Impedance | 8 ohms |
| Sensitivity | 87 dB (2.83V/1m) |
| Driver Units | 4" woofer and 1" tweeter |
| Enclosure Type | Bass reflex with front port |
| Connectivity | Spring clip wire terminals |
| Recommended Amplifier Power | 20 - 80 W per channel |
| Placement | Bookshelf or stand mounting |
| Cleaning and Maintenance | Wipe with a soft, dry cloth; avoid moisture |
| Safety Warnings | Keep away from water and heat sources |
| Spare Parts and Repairability | Drivers and terminals replaceable by qualified service |
| General Information | Designed for home audio use, suitable for stereo or surround setups |
Frequently Asked Questions - SP-46SM NEC
How do I connect the NEC SP-46SM to my amplifier?
Use standard speaker wire. Strip the insulation, unscrew the spring clip terminal, insert the wire, and release the clip. Ensure correct polarity (+ to + and - to -) for proper sound.
What amplifier power is recommended for the SP-46SM?
The speaker handles up to 40 watts RMS. An amplifier delivering 20 to 80 watts per channel is ideal to avoid distortion while providing clean headroom.
What is the impedance of the SP-46SM?
The nominal impedance is 8 ohms, which is compatible with most home amplifiers and receivers.
How should I clean the loudspeaker?
Use a soft, dry microfiber cloth to gently wipe the cabinet and grille. Never use water, solvents, or abrasive cleaners, as they may damage the finish and drivers.
Where is the best place to position the SP-46SM speakers?
Place them on sturdy shelves or stands at ear level when seated. Keep them at least 20 cm from walls to avoid excessive bass boom. For stereo, form an equilateral triangle with the listening position.
What should I do if there is no sound coming from the speakers?
Check the amplifier input and volume, verify the speaker wire connections are secure and not shorted, and confirm that the speaker selector on the amplifier is set correctly. Also ensure the source is playing.
Can I use the SP-46SM for surround sound?
Yes, these speakers can be used as surround or rear channels in a multi-channel setup. Match the impedance and place them appropriately behind the listening area.
Is it possible to bi-wire the SP-46SM?
The SP-46SM features a single pair of terminals, so it does not support bi-wiring. Simply use one set of speaker cables to connect to an amplifier.
How do I maintain the speaker drivers?
Keep the drivers free from dust and moisture. Avoid touching the cones, and if dust accumulates, gently brush with a soft brush or use a low-pressure air duster. Do not apply pressure.
Can I repair the speaker if it is damaged?
In case of a damaged driver or terminal, contact qualified service personnel. Replacement parts are available through NEC authorized service centers to ensure proper repair.
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USER MANUAL SP-46SM NEC
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Product information
Brand : NEC
Model : SP-46SM
Category : Loudspeaker