Manuale d’uso / di manutenzione del prodotto XL-400 del fabbricante Radio Shack
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Owner’s Manual Please read before using this equipment. XL-400 High Power 4/3/2-Channel Bridgeable Amplifier 12-2018.fm Page 1 Friday, May 12, 2000 12:46 PM.
2 ˆ Contents Features ........... .............. .............. .............. .............. ................. .............. .............. ...... ........ .... 3 Preparation ......... .............. .............. .............. .............. ...
3 Features ˆ Features Your RadioShack High Power 4/ 3 /2 - C ha n- nel Bridgeable Amplifie r produces a total of 400 watts to give added punch and power to your vehicle’s existing auto sound system. The amplifier produces up to 200 watts per channel (if bridged) of clean, pow erful sound at all audio frequencies with minimum distor- tio n.
4 Preparation ˆ Preparation SUPPLIED HARDWARE Your amplifier comes with the follo wing items. Be sure you locate everything shown before you store or dispo se of the pa cki n g mate ri al s. BEFORE Y OU BEGIN THE INSTALLATION Before you install your amplifier, read all the instructions in this owner’s manual.
5 Preparation Warning: The amplifier gets very hot while it is on. Do not touch the a mplifier or place flammable objects near it. Preparing the Mounting Area Before you mount the amplifier, make su re you have these materi als.
6 Preparation Cautions: • For added safety and to protect your amplifier and auto sound system, dis- connect the cable from your vehicle’s negative ( – ) battery terminal be fore you begin.
7 Preparation This connection turns on the ampl ifier when you turn on the auto sound sys- tem, and turns off the amplifier when you turn off the auto sound system. This prevents your vehicle’s battery from being drained if you lea ve your amplifier on when you turn of f your auto sound system.
8 Connecting Inputs ˆ Connecting Inputs LOW-LEVEL INPUTS You can connect your auto sound system’s low-level line out jacks to the amplifier’s low- level line in jacks. If your auto sound system does not have low-level line out jacks, see “Hig h-Level (Speaker Wire) In puts” on Pa ge 9 to connect your amplifier.
9 Connecting Inputs If your auto sound system has two li ne out jacks (left and right) , connect the auto sound system to th e amplifier . Note: For the best results, use shielded au dio Y-adapters (not supplied) available at your local RadioShack store.
10 Connecting Inputs Four Speaker Outputs Floating Grou nd Connection Common Ground Con nection Gray/Black White/Bl ack Gray White Right Rear + Speaker Left Rear + Speaker Violet/Black Gree n/Black Vi.
11 Connecting Inputs Two Speaker Outputs Floating Grou nd Connection Common Ground Con nection Right + Speaker Left + Speaker Violet/Black Green /Black Violet Green Left – Speaker Right – Speaker .
12 Connecting Inputs CONNECTING SPEAKERS You can connect four speakers, tw o speak- ers and a subwoofer, or just two speakers to the amplifier and your auto sound system. Important: Before you make the connec- tions, make sure both BRG/ST switches (on the left and right sides of the amplifier) are set to ST .
13 Connecting Inputs Connecting Four Speakers 1. Use a screwdriver to connect the front left speaker ’s positive (+) wire to the amplifier ’s CH1 (+) terminal. 2. Use a screwdriver to connect the front left speaker ’s negative (–) wire to the amplifier ’s CH1 (–) terminal.
14 Connecting Inputs Connecting T wo Speakers (Bridged Connection ) Caution: This connection produces 200 watts per channel. Use this co nnection only if you have high-power sp eakers th at can han- dle a power output of 200 watts. Note: CH2 (+) and CH4 (+) are used as nega- tive (–) terminals for a bridged connection.
15 Connecting Inputs 4. Use a screwdriver to connect the sub- woofer ’s positive (+) wire to the ampli- fier ’s CH3 (+) or CH4 (+) terminal. 5. Repeat Step 4 to connect the sub- woofer ’s negative (–) wire to the ampli- fier ’s negative (–) terminal for the same channel you connected in Step 4.
16 Completing the Installation ˆ Completing the Installation T ESTING THE CONNECTIONS Before you continue, make sure you have securely made all connections.
17 Completing the Installation 5. Secure the amplifier to the mounting surface using the supplied she et metal screws and washers. 6. Reconnect the wiring. 7. Reconnect the cable to the vehicle bat- tery’s negative (–) terminal. 8. Reset your vehicle’ s clock, your auto sound system’s tuner memory , and other timer/memory devices.
18 Operation ˆ Operation T URNING ON THE AMPLIFIER The amplifier automatically turns on a few seconds after you turn your vehicle’s ignition switch to ACC or ON or turn on your auto sound system, depending on how you wired the system. The POWER indicator on the side of the amplifier li ghts when the amplifi er is on.
19 Operation ADJUSTING FREQUENCY CROSSOVER If you installed a subwoofer u sing the steps in “Connecting Two Speakers and One Sub- woofer (Unbridged Connecti on)” on Page 14 or “Connecting Two Unbri dged Speakers and One Bridged Subwoofer” o n Page 15, set X-OVER FREQ ON/OFF to ON , then adjust X-OVER FREQ for your vehicle’s acoustics.
20 Troubleshooting ˆ T roubleshooting We do not expect you to have any problems with your Ra dioShack Hi g h P o we r 4/3/2-Channel Bridgeable Amplifier, but if you do h ave a prob lem, this chart mig ht hel p. If not, take the a mpli- fier to your local RadioShack store for assistance .
21 Troubleshooting CARE To enjoy your amplifier for a long time: • Keep the amplifier dry . If it gets wet, wipe it dry immed iately . • Use and store the amplifier only in nor- mal temperature environments. • Handle the amplifier gently and care- fully .
22 Troubleshooting 2. For each fuse, grasp its plastic end and pull it out of the back of the amplifier . 3. If the fuse is blown, replace it. Use only a blade-type fuse wi th the proper rati ng. The fuse must be 30 amps. 4. Grasp the fuse’s plastic end and pu sh it in.
23 Specifications ˆ Specifications Output Power: Stereo ....................................................................... 65 Watts × 4 @ 4 Ohms, 20–20 kHz, 0.5% THD 100 W atts × 4 @ 4 Ohms, 20–20 kHz, 10% T HD 75 W atts × 4 @ 2 Ohms, 20– 20 kHz, 0.
12-2018 05A00 Printed in China RadioShack A Division of Tandy Corporation Fort Worth, Texas 76102 Limited One-Y ear Warranty This product is warranted by RadioShack against manufactu ring defects in m.
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 Radio Shack XL-400 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 Radio Shack XL-400 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Radio Shack XL-400 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Radio Shack XL-400 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Radio Shack XL-400, 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 Radio Shack XL-400.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Radio Shack XL-400. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Radio Shack XL-400 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.
