1. Introduktion
Tak for købetasing the Jamo C912 Subwoofer. This manual provides essential information for the safe and efficient installation, operation, and maintenance of your subwoofer. Please read this manual thoroughly before using the product and retain it for future reference.
The Jamo C912 Subwoofer features a 12-inch front-firing polyfiber woofer and is powered by a 400W Class D amplifier. This design provides robust low-frequency sound reproduction, suitable for both music and movie playback.
2. Sikkerhedsoplysninger
Vigtige sikkerhedsinstruktioner:
- Læs disse instruktioner.
- Gem disse instruktioner.
- Overhold alle advarsler.
- Følg alle instruktioner.
- Brug ikke dette apparat i nærheden af vand.
- Rengør kun med en tør klud.
- Bloker ikke nogen ventilationsåbninger. Installer i overensstemmelse med producentens anvisninger.
- Må ikke installeres i nærheden af varmekilder såsom radiatorer, varmeapparater, komfurer eller andre apparater (inklusive ampløftere), der producerer varme.
- Undgå at omgå sikkerhedsformålet med det polariserede stik eller stik med jordforbindelse. Et polariseret stik har to knive, hvor den ene er bredere end den anden. Et stik med jordforbindelse har to knive og et tredje jordstik. Det brede blad eller det tredje ben er tilvejebragt for din sikkerhed. Hvis det medfølgende stik ikke passer i din stikkontakt, skal du kontakte en elektriker for at få udskiftet den forældede stikkontakt.
- Beskyt netledningen mod at blive trådt på eller klemt, især ved stik, stikkontakter og det sted, hvor de kommer ud af apparatet.
- Brug kun tilbehør/tilbehør specificeret af producenten.
- Brug kun den vogn, stativ, stativ, beslag eller bord, der er specificeret af producenten eller solgt sammen med apparatet. Når en vogn bruges, skal du være forsigtig, når du flytter kombinationen af vognen/apparatet for at undgå skader ved at vælte.
- Træk stikket ud af dette apparat under tordenvejr, eller når det ikke skal bruges i længere perioder.
- Overlad al service til kvalificeret servicepersonale. Service er påkrævet, når apparatet er blevet beskadiget på nogen måde, såsom strømforsyningsledning eller stik er beskadiget, væske er blevet spildt, eller genstande er faldet ind i apparatet, apparatet har været udsat for regn eller fugt, ikke fungerer normalt , eller er blevet droppet.
3. Pakkens indhold
Ensure all items are present in the packaging:
- Jamo C912 Powered Subwoofer
- Aftageligt gitter
- Strømledning
4. Produktet er slutview
The Jamo C912 Subwoofer is designed to enhance the low-frequency performance of your audio system. It features a front-firing woofer and port for flexible placement options.

Figur 1: Jamo C912 Subwoofer Front View (Grille Removed). This image displays the subwoofer from the front-right angle, showcasing the 12-inch polyfiber woofer and the front-firing port. The Jamo logo is visible on the bottom right.

Figur 2: Jamo C912 Subwoofer Front View (Grille Attached). This image shows the subwoofer with its black fabric grille covering the woofer and port, providing a sleek and protected appearance.

Figur 3: Jamo C912 Subwoofer Rear Panel. This image details the rear panel of the subwoofer, showing the various input connections and control knobs for volume, frequency (crossover), and phase adjustment, along with the power switch and AC input.
Rear Panel Controls and Connections:
- Bind: Justerer subwooferens samlede udgangsniveau.
- Frekvens (delefilter): Controls the upper frequency limit of the subwoofer. Adjust this to blend the subwoofer's output with your main speakers.
- Fase: Adjusts the phase of the subwoofer output (0° or 180°) to match the phase of your main speakers.
- Linjeindgang (V/H): RCA inputs for connecting to the L/R pre-out of your receiver/amplivligere.
- LFE i: RCA input for connecting to the LFE (Low-Frequency Effects) or Subwoofer output of your receiver/amplivligere.
- Afbryderen: Tænder eller slukker for subwooferen.
- AC-indgang: Connection for the detachable power cord.
- Wireless Port (VOLT 2 Port): For optional wireless connectivity using the Klipsch WA2 kit (sold separately).
5. Opsætning
5.1 Placering
Placeringen af din subwoofer påvirker dens ydeevne betydeligt. Overvej følgende:
- Hjørneplacering: Placing the subwoofer in a corner often maximizes its output and provides the most bass.
- Vægplacering: Placing it along a wall can also provide good bass reinforcement. Due to its front-firing port, the C912 can be placed closer to a wall or even within a cabinet, provided there is adequate ventilation.
- Lytteposition: Experiment with different locations in your room to find the best balance of bass response at your primary listening position.
5.2 Forbindelser
Before making any connections, ensure the subwoofer and your receiver/ampApparatet er slukket og taget ud af stikkontakten.
- LFE Connection (Recommended): Connect a single RCA cable from the LFE or Subwoofer output of your receiver/amplifier to the LFE IN input on the Jamo C912 Subwoofer.
- Stereo RCA Connection: Hvis din modtager/amplifier does not have an LFE output, connect RCA cables from the L/R pre-out of your receiver/amplifier to the LINE IN (L/R) inputs on the subwoofer.
- Strømtilslutning: Once audio connections are made, connect the supplied power cord to the AC Input on the subwoofer and then to a wall outlet.
5.3 Wireless Connectivity (Optional)
The Jamo C912 Subwoofer is wireless-ready. To enable wireless operation, you will need to purchase the Klipsch WA2 Wireless Subwoofer Kit (sold separately). Follow the instructions provided with the WA2 kit for installation and pairing with your subwoofer.
6. Betjening
6.1 Første opstart og justering
- Turn on your receiver/amplifier and the Jamo C912 Subwoofer (using the Power Switch on the rear panel).
- The LED indicator on the front of the subwoofer will glow red when in standby and blue when active.
- Start playing audio through your system.
- Juster Bind knob on the subwoofer to achieve a balanced bass level with your main speakers.
- Juster Frequency (Crossover) knob. A good starting point is typically around 80-100 Hz, but this will depend on the low-frequency capabilities of your main speakers. Adjust until the bass blends seamlessly without sounding boomy or disconnected.
- Juster Fase switch (0° or 180°). Listen for the setting that provides the most impactful and coherent bass at your listening position.
6.2 Auto Power On/Standby
The Jamo C912 Subwoofer features an auto-on/standby function. When an audio signal is detected, the subwoofer will automatically power on (LED turns blue). If no audio signal is detected for a period, it will enter standby mode (LED turns red) to conserve power. At very low volumes, the subwoofer may not detect an input signal and may remain in standby. Increase the input signal level if this occurs.
7. Vedligeholdelse
To maintain the appearance and performance of your Jamo C912 Subwoofer:
- Dust the cabinet regularly with a soft, dry cloth.
- Avoid using abrasive cleaners, solvents, or strong detergents, as these can damage the finish.
- Do not expose the subwoofer to excessive moisture or direct sunlight.
- Sørg for tilstrækkelig ventilation omkring enheden for at forhindre overophedning.
8. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Ingen lyd fra subwooferen |
|
|
| Boomy or muddy bass |
|
|
| Subwoofer goes into standby too often |
|
|
9. Specifikationer
| Modelnavn | C912 |
| Højttaler type | Subwoofer |
| Bashøjttaler diameter | 12 tommer |
| Højttaler Maksimal udgangseffekt | 400 watt |
| Strømkilde | Elektrisk med ledning |
| Forbindelsesteknologi | Wired, Wireless (with optional kit) |
| Anbefalede anvendelser | Musik, film |
| Produktmål (L x B x H) | 17.9 x 17.9 x 22.1 tommer |
| Varens vægt | 37 pund |
| Farve | Sort |
| UPC | 008634004197 |
10. Garanti og support
The Jamo C912 Subwoofer comes with a limited warranty. For detailed information regarding warranty terms, conditions, and registration, please refer to the official Jamo website or contact Jamo customer support. Keep your proof of purchase for warranty claims.
For technical assistance or further inquiries, please visit the official Jamo support page or contact their customer service department.





