Manuale d’uso / di manutenzione del prodotto 505 del fabbricante JL Audio
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Thank you for purchasing a JL Audio amplifier for your automotive sound system. Your amplifier has been designed and manufactured to exacting standards in or der to ensure years of musical enjoyment in your vehicle.
PLANNING Y OUR INST ALLA TION It is impor tant that you take the time to read this manual and that you plan out y our installation carefully . The following are some considerations that you m ust take into account when planning your installation.
12) Carefully review the amplifier’ s control settings to make sure that they are set according to the needs of the system. 13) Install power wire fuse (50A f or a single 500/5) and reconnect the negative batter y post ter minal. 14) T ur n on the source unit at a low level to double-check that the amplif ier is configured correctly .
any amplifier in the system be yond the maximum lev el established during the procedur e outlined in Appendix B (page 22). Doing so will result in audible distortion and possible speaker damage. Be aware that all three “Input Sens. ” adjustments will hav e to be made, regardless of how many input cab les are feeding the amplif ier .
Subwoofer Channel Filter: The 500/5's subwoofer channel f ilter (located in the “Subwoofer Channel Contr ol Section” employs an advanced state-variable, low-pass active filter . This feature is designed to attenuate frequencies abov e its filter frequency , so that the system's subwoofers do not reproduce any audible midrange content.
the “12dB” or “24dB” position. These features will not work with the “Sub LP Filter” switch in the “Off ” position. This is to prevent cascading the processing of multiple amplif ier s when configured in a master / slav e arr angement.
SER VICING Y OUR JL A UDIO AMPLIFIER If your amplif ier fails or malfunctions, please return it to your authorized JL Audio dealer so that it may be sent in to JL Audio for ser vice . There are no user ser viceable par ts or fuses inside the amplifier .
can be controlled with the source unit fader , without affecting the level of the subw oofer channel. See diagram B below . Note: This configuration can also be set up so that the subwoofer lev el tracks with the front channel level.
position. Depending on the crossover point and slope of the source unit/processor's filter , you may wish to engage the 500/5's sub low-pass filter to f ine-tune the sub-bass response.
L-R Ambience Control: This switch, located in the “ Rear Filter Section ” , should be set to the “ Off ” position when oper ating the amplifier in T ri-Amp Mode . JL AUDIO 500/5 19 Adjusts level of r ear (tweeter) channels. Select 12dB or 24dB/octave filter slope for rear channels (high-pass) Select high-pass filter freq.
JL AUDIO 500/5 21 CHAR T A-2 “ FIL TER FREQ/ ” SUBW OFER CH. FIL TER Detent Panel Actual Number Marking Fr eq. Full counter -clockwise: 42 01 . . . . . . . . . . . . . . . . . . . . . . .42 02 . . . . . . . . . . . . . . . . . . . . . . . .42 03 .
7) Connect the AC v oltmeter to the “ Speaker Outputs ” or “ Subwoof er Output ” connector s of the channel set that you are adjusting. For the stereo channels, it is only necessar y to measure one channel. If bridged, make sure you test the voltage at the correct connector s (L+ and R–).
JL AUDIO 500/5 25 4) If you w ould like to r un a third amplifier in “Slav e” configuration, select the “ Full-Range ” position on the “ Output Mode ” switch of the fir st “Slav e” amp. Then, connect an RC A cable from the first “Slav e” amplifier’ s preamp outputs to the second “Slave” amplifier .
JL AUDIO 500/5 27 “ MY AMPLIFIER TURNS ON, BUT THERE IS NO OUTPUT ” Check the input signal using an A C voltmeter to measure the voltage from the source unit while an appropriate test tone is play ed through the source unit (disconnect the RC A cables from the amplif ier prior to this test).
JL AUDIO 500/5 29 APPENDIX E: 500/5 Specifications GENERAL SPECIFICA TIONS: Recommended Fuse V alue: 50A Recommended Fuse T ype: A GU or MaxiFuse™ INPUT SECTIONS: No.
JL AUDIO 500/5 31 Rear Filter Sectio Freq. Range x1/x10 Filter Freq. (Hz) High-Pass Off/12dB/ Subwoofer Output (250Wx1) Subwoofer Channel Control Section Input Sens. Input V oltage Low/High Independent Sub Input Sub LP Filter Off/12dB/24dB Filter Freq.
LIMITED W ARRANTY - AMPLIFIERS (USA) JL AUDIO warr ants this product to be free of defects in materials and wor kmanship for a period of ninety (90) days from the original date of purchase .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il JL Audio 505 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del JL Audio 505 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso JL Audio 505 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul JL Audio 505 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il JL Audio 505, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del JL Audio 505.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il JL Audio 505. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo JL Audio 505 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
