Instruction/ maintenance manual of the product JC 1 Amplifier 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.
An important point after buying a device Parasound JC 1 Amplifier (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Parasound JC 1 Amplifier yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Parasound JC 1 Amplifier - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Parasound JC 1 Amplifier you will learn all the available features of the product, as well as information on its operation. The information that you get Parasound JC 1 Amplifier will certainly help you make a decision on the purchase.
If you already are a holder of Parasound JC 1 Amplifier, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Parasound JC 1 Amplifier.
However, one of the most important roles played by the user manual is to help in solving problems with Parasound JC 1 Amplifier. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Parasound JC 1 Amplifier along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
