1. Introduktion
This manual provides detailed instructions for the installation, operation, and maintenance of your Jensen Power760 4-Channel 760 Watt AmpLæs venligst denne manual grundigt, inden du forsøger at installere eller betjene den, for at sikre korrekt brug og for at forhindre skader på enheden eller dit køretøjs lydsystem. Gem denne manual til senere brug.
2. Sikkerhedsoplysninger
Overhold altid følgende sikkerhedsforanstaltninger under installation og drift:
- Frakobl køretøjets negative batteripol, før du påbegynder elektrisk arbejde.
- Sørg for, at alle ledninger er korrekt isoleret for at forhindre kortslutninger.
- Monter ampOpbevar køleren sikkert på et sted, der giver tilstrækkelig ventilation og er beskyttet mod fugt og overdreven varme.
- Betjen ikke amplifier if it is damaged or malfunctioning.
- Kontakt en kvalificeret fagmand til installation, hvis du er usikker på nogle trin.
3. Pakkens indhold
Bekræft, at din pakke indeholder følgende varer:
- Jensen Power760 4-Channel Amplivligere
- Brugervejledning (dette dokument)
- Monteringsudstyr (skruer, skiver)
4. Produktfunktioner
The Jensen Power760 amplifier is designed to enhance your vehicle's audio experience with robust power and versatile control. Key features include:
- 4-Channel Configuration: Provides flexible options for powering multiple speakers or bridging channels for higher power output.
- 760 watt spidseffekt: Delivers significant power for dynamic audio reproduction.
- 2 Ohm Stable: Capable of operating with lower impedance speakers for increased power output.
- Variable Low Pass Filter (LPF): Adjustable from 40 Hz to 240 Hz (12 dB per octave) for precise subwoofer integration.
- Variable High Pass Filter (HPF): Adjustable from 40 Hz to 400 Hz (12 dB per octave) for optimizing full-range speaker performance.
- Variabel basforstærkning: Adjustable from 0 to 12 dB at 45 Hz to enhance low-frequency response.
- Low Level Pass-Through RCAs: Available on channels 1 & 2 for connecting additional amplivførere.
- Encapsulated Power & Speaker Connectors: Ensures secure and reliable connections.
- Channel-Mode Selector Switch: Allows selection between 4, 3, or 2 channel operation, including bridge/tri-mode capability.
- Beskyttelseskredsløb: Safeguards against short circuits, DC-offset, and thermal overload.
- LED-indikatorer: Green LED for operation, Red LED for protection status.
Figur 1: Forside view of the Jensen Power760 4-Channel Amplivligere. Det amplifier features a brushed aluminum finish with the 'JENSEN POWER' logo prominently displayed, along with 'Power 760', '4CH Amp', and '760 WATTS MAX' text.
5. Installation
Proper installation is crucial for optimal performance and safety. Follow these steps carefully:
5.1 Monteringssted
Vælg et monteringssted, der:
- Is dry and free from moisture.
- Allows for sufficient airflow around the amplifier's heatsink to prevent overheating.
- Is secure and protected from physical damage.
- Is easily accessible for wiring and adjustments.
Common locations include under seats, in the trunk, or behind interior panels.
5.2 Strømledninger
- Batteriforbindelse: Run a heavy gauge power cable (e.g., 8-gauge or larger, depending on total system power) directly from the positive terminal of the vehicle's battery to the amplifier's +12V terminal. Install an in-line fuse holder within 18 inches (45 cm) of the battery.
- Jordforbindelse: Connect a short, heavy gauge ground cable from the ampForbind GND-terminalen på forsyningen til en ren, umalet metaloverflade på køretøjets chassis. Sørg for en god elektrisk forbindelse.
- Fjerntænding: Tilslut en fjernbetjeningsledning fra din hovedenheds fjernbetjeningsudgang til amplifier's REM terminal. This wire signals the amplifier til at tænde og slukke med din hovedenhed.
5.3 Audio Input Wiring
The Power760 supports both low-level (RCA) and high-level (speaker wire) inputs.
- Lavniveauindgang (RCA): Tilslut RCA-kabler fra din hovedenheds for-amp udgange til amplifier's RCA input jacks. Use high-quality shielded RCA cables to minimize noise.
- Højniveauindgang (højttalerledning): If your head unit does not have RCA outputs, connect the speaker output wires from your head unit directly to the amplifier's high-level input terminals. Refer to your head unit's manual for speaker wire polarity.
5.4 Højttalerledninger
Tilslut dine højttalere til amplifier's speaker output terminals. Pay close attention to polarity (+ to + and - to -) for each speaker. The Power760 can be configured for 4-channel, 3-channel (bridged for subwoofers and stereo for full-range), or 2-channel (bridged) operation.
- 4-kanals tilstand: Connect one speaker to each of the four output channels. Ensure the impedance of each speaker is within the amplifier's stable operating range (typically 2 ohms or higher per channel).
- Bridged Mode (2-Channel): For higher power output to two speakers (e.g., subwoofers), bridge two channels together. Connect the positive terminal of the speaker to the positive terminal of one channel and the negative terminal of the speaker to the negative terminal of the adjacent channel (e.g., CH1+ and CH2-). Refer to the amplifier's labeling for specific bridging instructions. The minimum impedance for bridged operation is typically 4 ohms.
- Tri-Mode (3-Channel): This configuration allows for powering two full-range speakers and one subwoofer. Bridge two channels for the subwoofer and use the remaining two channels for the full-range speakers.
6. Controls and Adjustments
The Jensen Power760 features several controls to fine-tune your audio system:
- Få kontrol: Justerer indgangsfølsomheden for amplifier to match the output level of your head unit. Start with the gain at minimum and slowly increase until desired volume is achieved without distortion.
- CROSSOVER Switch (LPF/HPF/FULL):
- LPF (lavpasfilter): Allows only frequencies below the set frequency to pass through. Ideal for subwoofers.
- HPF (Højpasfilter): Allows only frequencies above the set frequency to pass through. Ideal for full-range speakers to prevent distortion from low bass.
- FULD: Allows all frequencies to pass through.
- FREQUENCY Control: Used in conjunction with the LPF or HPF setting to select the cutoff frequency.
- BASS BOOST Control: Provides an adjustable bass enhancement at 45 Hz (0-12 dB). Use sparingly to avoid distortion.
- CHANNEL-MODE Selector Switch: Selects between 4, 3, or 2 channel operation.
7. Betjeningsvejledning
Når amplifier is correctly installed and wired, follow these steps for initial power-up and operation:
- Sørg for, at alle forbindelser er sikre og korrekte.
- Indstil alle amplifier gain controls to their minimum (lowest) setting.
- Set all crossover switches to the "FULL" position initially.
- Tilslut køretøjets negative batteripol igen.
- Tænd din hovedenhed. amplifier's green "Operation" LED should illuminate.
- Play a familiar audio track at a moderate volume level on your head unit.
- Langsomt øge amplifier's gain controls until the desired volume is reached without audible distortion. If distortion occurs, reduce the gain slightly.
- Adjust the crossover settings (LPF/HPF) and bass boost as needed to achieve your preferred sound balance.
8. Vedligeholdelse
To ensure long-term performance and reliability of your Jensen Power760 amplivligere:
- Behold ampFjerneren er ren og fri for støv og snavs. Brug en blød, tør klud til rengøring.
- Sørg for tilstrækkelig ventilation omkring amplifier at all times. Do not block the heatsink fins.
- Kontrollér regelmæssigt alle ledningsforbindelser for tæthed og korrosion.
- Undgå at udsætte amplifier til ekstreme temperaturer eller fugt.
9. Fejlfinding
Hvis du oplever problemer med din amplifier, consult the following table before seeking professional assistance:
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Ingen strøm (grøn LED slukket) | Sprunget sikring, dårlig strøm-/jordforbindelse, intet fjernsignal. | Check in-line fuse, verify +12V, GND, and REM connections. |
| Beskyttelsestilstand (rød LED lyser) | Short circuit in speaker wiring, excessive heat, low impedance load. | Check speaker wiring for shorts, ensure adequate ventilation, verify speaker impedance. Allow ampvarmebeholder til afkøling. |
| Ingen lydudgang | Incorrect input connections, low gain setting, muted head unit. | Verify RCA/high-level input connections, increase gain, check head unit settings. |
| Forvrænget lyd | For høj forstærkning, forkerte delefiltreindstillinger, dårlig indgangssignalkvalitet. | Reduce gain, adjust crossover settings, check input signal quality. |
| Motorstøj/Hylen | Poor ground connection, RCA cables routed too close to power cables, ground loop. | Improve ground connection, re-route RCA cables away from power cables, consider a ground loop isolator. |
10. Specifikationer
| Feature | Detalje |
|---|---|
| Model | POWER760 |
| Kanaler | 4-kanal |
| Spidseffekt | 760 watt |
| Nominel udgangseffekt | 4 x 75W (RMS) or 2 x 195W (RMS) bridged |
| Impedance Stability | 2 Ohm Stable (stereo), 4 Ohm Stable (bridged) |
| Lavpasfilter (LPF) | Variable 40 Hz - 240 Hz (12 dB/octave) |
| Højpasfilter (HPF) | Variable 40 Hz - 400 Hz (12 dB/octave) |
| Bass Boost | Variable 0 - 12 dB at 45 Hz |
| Input type | Low-Level (RCA) and High-Level (Speaker Wire) |
| Minimumsforsyning Voltage | 14.1 volt |
| Dimensioner (L x B x H) | 12 x 10 x 3 tommer |
| Varens vægt | 3.3 pund |
| Materiale | Plast (hus) |
11. Garanti og support
This product comes with a manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions. For technical support or service inquiries, please visit the official Jensen webwebsted eller kontakt deres kundeserviceafdeling.
Online support: www.jensenmobile.com
