Manuel d'utilisation / d'entretien du produit JC 1 Amplifier du fabricant Parasound
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JC 1 Amplifier Owner’s Guide.
1 T H A N K Y O U ! Congratulations and Thank Y ou for Choosing Parasound Y our new Parasound Halo Series JC 1 mono bloc k power amplier represents the latest advancements in amplier tec hnology .
PLACEMENT GUIDELINES FOR YOUR JC 1 _________________________________________________________________________________ CONNECTING A STEREO PREAMPLIFIER OR A SURROUND CONTROLLER TO THE BALANCED INPUT ON .
PLACEMENT GUIDELINES FOR YOUR JC 1 1 Power ampliers are usually heavier and generate more heat than other components. T o avoid damage to the JC 1 or other equipment and to reduce risk of re, you must follow these guidelines: • Place the JC 1 on a separate shelf that will adequately suppor t its weight.
Balanced Input Jack Balanced connections will gi ve you the best sound in most instances. If your preamplier or surround controller has balanced XLR output jac ks, we recommend that you use them.
CONNECTING A PREAMPLIFIER OR A SURROUND CONTROLLER TO THE UNBALANCED INPUT ON YOUR JC 1 3 1 2.
YOU SHOULD KNOW Correct Speaker Polarity is Important P olarity refer s to the + and - connections. Speaker wires are coded with printing or a ridge on the insulation on one of the leads so you know whic h lead w as connected to the + and - terminals at the other end.
The JC 1 can be turned on and off manually or automatically for your convenience. Using the Front Panel On-Off Button For manual operation, the JC 1 rear panel Auto T urn On switc h must be in its Manual ( middle) position.
If you want to automatically turn on the JC 1 with an external DC voltage, select the DC trigger by moving the Auto T urn On switc h on the rear panel left to its 12 V olt T rigger position.
Whenever the JC 1 is turned on either manually or automatically, it generates 12 Vdc at its 12 V T rigger Out jack so it can trigger additional JC 1 ampliers or other components on and off.
UNDERSTANDING THE INDICATORS AND CONTROLS ON THE JC 1 8 A AC Present Indication When the JC 1 is plugged into a live A C outlet, a soft blue halo glows behind its On-Off but ton and its red “P” Badge glows faintly . These indicate that the JC 1 is plugged into a live A C outlet, even when it is turned off .
CONNECTING THE AC POWER CORD 9 1 2 1 2 JC1 Amplifier Parasound Products. Inc. San Franscisco , C A US A Ground Normal Lift Fuse T15A/250V -115V Ar ea T8A/250V-230V Area Power Consum ption: 1200W AC 11.
MAINTAINING YOUR PARASOUND JC 1 1 0 Notes: Y our Parasound JC 1 power amplier requires no periodic maintenance and has no user - serviceable parts inside.
TROUBLESHOOTING GUIDE 1 1 JC 1 will not turn of f when audio signal is remov ed PROBABLE CA USE Power cord is disconnected REMED Y Hum and / or buzz through speak ers Ground loop between preamplifier .
SERVICING YOUR JC 1 12 If All Else Fails-Call Us fo Help Call your P arasound dealer or P arasound’ s T ec hnical S ervice Department toll free at 1 -866-770-TECH (8324) between 8am and 4pm P acic T ime. W e can often solve the problem with simple diagnostic tests you can perform your self .
TECHNICALLY SPEAKING 13 Audio T rigger Sensitivity Adjustment The Auto T urn On Audio Sensitivity Control sets the threshold of the audio trigger signal. Y ou can adjust this level from a maximum sensiti vity of 50 mV (fully countercloc kwise) to a minimum sensiti vity of of 250 mV (fully cloc kwise).
TECHNICALLY SPEAKING continued 14 Eliminating Ground Loops - Hum and Buzz Audible hum and buzzing noises in a system are usually related to issues with the component grounds. Ground (sometimes called common) is a point of reference for voltages in virtually all audio and video components.
PARASOUND JC 1 DESIGN OVERVIEW 15 Designed by John Curl and CTC Builders P arasound has worked with legendary designer John Curl since 1 989. John has been a legend among audiophiles and electronic engineers since the mid ‘70s.
PARASOUND JC 1 DESIGN OVERVIEW continued 16 Class A/AB Operation Pure class A operation provides the purest sound. However , an amplier operating entirely in class A operation would be enormous, highly inefcient, and generate far too muc h heat.
PARASOUND JC 1 SPECIFICATIONS 17 Power Output. 20 Hz - 20 kHz 40 0 w atts continuous, 8 Ω 800 watts continuous, 4 Ω Class A Power Output 25 watts, bias set to High 1 0 watts, bias set to L ow Current Capacity 135 amperes peak Slew Rate > 130 volts per microsecond Frequency Response 2 Hz - 120 kHz, +0/-2 dB Total Harmonic Distortion < 0.
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Parasound Products, Inc. 950 Battery Street, San Francisco, CA 94111 415-397-7100 / Fax 415-397-0144 www.parasound.com.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Parasound JC 1 Amplifier c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Parasound JC 1 Amplifier - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Parasound JC 1 Amplifier, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Parasound JC 1 Amplifier va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Parasound JC 1 Amplifier, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Parasound JC 1 Amplifier.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Parasound JC 1 Amplifier. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Parasound JC 1 Amplifier ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
