Indledning
This manual provides essential information for the proper installation, operation, and maintenance of your Deaf Bonce Apocalypse AP-M81AC-NEO 8-inch Midrange Speakers. Please read this manual thoroughly before installation and use to ensure optimal performance and longevity of your product.

Image: A pair of Deaf Bonce Apocalypse AP-M81AC-NEO 8-inch Midrange Speakers, showcasing their front and rear views. The speakers feature a black cone with a central logo and a robust black frame.
Produktegenskaber
- Kraftfuld lydudgang: Delivers 300W RMS power and 600W peak power for clear sound across a 1100-10000 Hz frequency range.
- Holdbar konstruktion: Features neodymium magnets, a 1.75-inch CCAW wire voice coil, and a paper cone with a cloth surround for reliability.
- Høj følsomhed: An SPL of 101.10 dB ensures efficient sound production.
- Standard impedans: 4 Ohm impedance for compatibility with various car audio systems.
- Kompakt design: Designed for easy integration with a 2.99-inch mounting depth and 7.6-inch mounting diameter.
Hvad er der i æsken
Ved udpakning skal du kontrollere, at alle komponenter er til stede og ubeskadigede:
- (2) Deaf Bonce Apocalypse AP-M81AC-NEO 8-inch Midrange Speakers

Image: The retail packaging box for the Deaf Bonce Apocalypse speakers, showing the brand and model information.
Opsætning og installation
Korrekt installation er afgørende for optimal ydeevne og sikkerhed. Hvis du er usikker på nogle trin, skal du kontakte en professionel installatør af bilstereo.
Sikkerhedsforanstaltninger:
- Frakobl køretøjets batteri, før du påbegynder elektrisk arbejde.
- Brug passende sikkerhedsudstyr, herunder øjenbeskyttelse.
- Sørg for, at alle ledninger er korrekt isoleret og fastgjort for at forhindre kortslutninger og skader.
- Do not exceed the recommended power ratings of the speakers or your amplivligere.
Installationstrin:
- Vælg monteringssted: Select a suitable location in your vehicle that accommodates the speaker dimensions (refer to the Dimensions section). Ensure there is sufficient clearance behind the speaker for proper air movement and to avoid interference with vehicle components.
- Forbered monteringsoverfladen: If replacing existing speakers, remove the old units. If installing in a new location, carefully cut a circular opening with a diameter of 7.6 inches (193 mm). Ensure the mounting depth of 2.99 inches (76 mm) is available.
- Ledningsforbindelse: Tilslut højttalerkablerne fra din amplifier to the terminals on the back of the speaker. Ensure correct polarity: positive (+) to positive and negative (-) to negative. Incorrect polarity can lead to poor sound quality.
- Sikre højttalere: Place the speakers into the mounting holes and secure them using appropriate screws or mounting hardware. Do not overtighten, as this can damage the speaker frame.
- Test system: Reconnect the vehicle's battery. Turn on your car audio system at a low volume to test the speakers. Gradually increase the volume to ensure proper function and sound quality.

Billede: Bagsiden view of a Deaf Bonce Apocalypse AP-M81AC-NEO speaker, highlighting the magnet structure and the positive and negative wiring terminals.
Betjeningsvejledning
Once installed, your Deaf Bonce Apocalypse speakers are ready for use. Follow these guidelines for optimal audio experience:
- AmpLifier-matchning: Sørg for din amplifier's output power matches the RMS power handling of these speakers (300W RMS per speaker). Using an underpowered or overpowered amplifier kan beskadige højttalerne.
- Crossover-indstillinger: Midrange speakers perform best when frequencies outside their intended range are filtered out. Set your amplifier's or head unit's high-pass filter (HPF) to around 1100 Hz or slightly lower, and a low-pass filter (LPF) if available, to around 10000 Hz. This prevents distortion and improves sound clarity.
- Lydstyrkekontrol: Avoid operating the speakers at excessively high volumes for extended periods, especially if you notice distortion. Distortion indicates that the speakers or ampLifier bliver overdrevet, hvilket kan forårsage permanent skade.
- Indbrudsperiode: Allow a short break-in period (approximately 10-20 hours of normal listening) for the speaker's suspension to loosen up, which can improve overall sound quality.

Billede: En nærbillede forfra view of the Deaf Bonce Apocalypse AP-M81AC-NEO speaker, showing the black paper cone and the "APOCALYPSE NEO" branding.
Opretholdelse
These speakers are designed for durability, but proper care can extend their lifespan and maintain performance.
- Rensning: Use a soft, dry cloth to gently wipe dust from the speaker cone and frame. Avoid using harsh chemicals or excessive moisture.
- Miljøbeskyttelse: While robust, these speakers are not waterproof. Protect them from direct exposure to water and extreme temperatures.
- Inspektion: Periodically check wiring connections to ensure they are secure and free from corrosion. Inspect the speaker cone and surround for any signs of damage.
Fejlfinding
Hvis du støder på problemer med dine højttalere, kan du se følgende almindelige problemer og løsninger:
- Ingen lyd:
- Kontroller alle ledningsforbindelser fra amplifier to the speakers for proper contact and polarity.
- Bekræft, at ampkøleren er tændt og fungerer korrekt.
- Ensure the head unit (car stereo) is on and outputting audio.
- Forvrænget lyd:
- Reducer lydstyrken.
- Check amplifier gain settings; they may be set too high.
- Verify crossover settings are appropriate for midrange speakers.
- Inspect speaker cones for physical damage.
- Svag eller ujævn lyd:
- Check speaker wire polarity; reversed polarity on one speaker can cause phase issues.
- Ensure all speakers are receiving adequate power from the amplivligere.
If problems persist after following these steps, contact a qualified car audio technician or the manufacturer's support.
Specifikationer
| Feature | Specifikation |
|---|---|
| Model | AP-M81AC-NEO |
| Type | mellemtone højttaler |
| Størrelse | 8 tommer |
| Frekvensrespons | 1100-10000 Hz |
| RMS-strøm | 300 W |
| MAX Power | 600 W |
| Impedans | 4 Ohm |
| SPL (følsomhed) | 101.10 dB |
| Stemmespole størrelse | 1.75 tommer |
| Stemmespole ledning | CCAW |
| Kegelmateriale | Papir |
| Surroundmateriale | Klæde |
| Magnet type | Neodym |
| Rammemateriale | Alu (Aluminum) |
| Fs (Resonansfrekvens) | 109.00 Hz |
| Qts (Total Q-faktor) | 0.19 |
| BL (Motorisk Styrke) | 12.98 |
| Vas (ækvivalent volumen) | 12.25 L |
Dimensioner
Understanding the physical dimensions is essential for proper installation and fitment in your vehicle.
- Monteringsdybde: 2.99 tommer (76 mm)
- Mounting Diameter (Cut-out): 7.6 tommer (193 mm)
- Samlet dybde: 3.35 tommer (85.19 mm)
- Samlet diameter: 8.27 tommer (210 mm)

Image: Technical diagram illustrating the mounting depth, overall depth, mounting diameter, and overall diameter of the Deaf Bonce Apocalypse AP-M81AC-NEO speaker in both inches and millimeters.
Garanti og support
The Deaf Bonce Apocalypse AP-M81AC-NEO speakers come with a limited warranty provided by the manufacturer, Alphard Group. Specific warranty terms and duration may vary. Please retain your proof of purchase for warranty claims.
Beskyttelsesplaner:
Extended protection plans may be available for purchase separately. These plans typically offer additional coverage beyond the manufacturer's limited warranty.
- 2-årig beskyttelsesplan
- 3-årig beskyttelsesplan
- Complete Protect (månedlig plan, der dækker flere berettigede køb)
For technical support, warranty inquiries, or service, please contact Alphard Group, the manufacturer of Deaf Bonce products.





