Instruction/ maintenance manual of the product JC 2 Parasound
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IMPORT ANT SAFETY INSTRUCTIONS Th e li gh tn in g fla sh w it h th e ar ro wh ea d sy mb ol w it hi n an e qu il at er al t ri an gl e is i nt en de d to a le rt t he u se r to t he p re se nc e of “ da ng er ou s vo lt ag e” i ns id e th e pr od uc t th at m ay c on st it ut e a ri sk o f el ec tr ic s ho ck .
3 Thank Y ou for Choosing Parasound Y our new Parasound ® Halo JC 2 preamplifier represents the pinnacle of analog audio technology . The JC 2 was originally conceived by Parasound president, Richard Schram, as a companion for the famed Halo JC 1 mono power amplifier .
4 T ABLE OF CONTENTS Important Safety Instructions ........................................ 2 Introduction ................................................... 3 Unpacking and Placement Guidelines .................................. 5 Rack Mounting ....
5 UNP ACKING YOUR JC 2 AND PLACEMENT GUIDELINES Unpacking Y our JC 2 Carefully remove your JC 2 from its shipping carton and locate all the enclosed accessories: • Remote control and two AAA batteries • AC power cord • Four trigger wires, two with 2.
6 UNP ACKING YOUR JC 2 AND PLACEMENT GUIDELINES Rack Mounting Y our Parasound JC 2 With its four feet removed, the JC 2’ s front panel height occupies three rack spaces (5 1 / 4 ” or 133 mm. (A single standard rack space occupies 1 3 / 4 ” vertical space.
7 CONNECTING YOUR JC 2 Always disconnect the AC cord to your JC 2 and power amplifier(s) before making or changing any input, output or trigger wire connections. Inserting or removing an input or output cable while the JC 2 or power amplifiers are turned on can result in a blast of sound that can damage your loudspeakers.
8 CONNECTING YOUR JC 2 continued OUTPUT CONNECTIONS There are four pairs of output connections on the JC 2. All of them are active simultaneously . Record Out Jacks The Record Out jacks connect to the Record Input jacks on your audio recorder .
9 CONNECTING YOUR JC 2 continued OTHER CONNECTIONS 12V T rigger Out The re are fo ur 12 vol t t rig ger ou tpu ts. Th ese ca n b e u sed to tu rn on pow er amp lifi ers an d o the r e qui pme nt tha t a re equ ipp ed wit h a uto mat ic tur n-o n i npu ts.
10 OPERA TING YOUR JC 2 Before turning the JC 2 on, recheck all your connections and turn down the volume control to avoid any unpleasant “blasts” that could damage your speakers. T urn On Delay The first time you turn on your JC 2 after connecting its AC power it will automatically mute for 45 seconds with its Mute indicator flashing red.
11 OPERA TING YOUR JC 2 continued We use independent high-resolution Japanese TKD gain control potentiometers to trim the volume of each channel for a balanced sonic image. In most cases you will simply leave the Left and Right knobs fully clockwise where the potentiometer wipers make direct contacts and are out of the circuit.
12 OPERA TING YOUR JC 2 continued/DESIGN OVERVIEW Polarity Normal & Invert Buttons The polarity (or phase) of the Main Outputs is the same as the input unless you press the Invert button to invert the polarity of the Main Outputs 180° relative to the input signal.
13 FREQUENTL Y ASKED QUESTIONS Why is there no sound from the speakers? - Check that AC is live and the “P” badge and an input LED are illuminated. - Check that input and output cables are secure at both ends. - Make sure your JC 2 is switched to the correct input.
14 JC 2 also insure the best possible analog connection to source components which are equipped with balanced outputs. We generally recommend balanced connections if your power amplifiers or source equipment are located more than 10 feet from your JC 2.
15 JC 2 SPECIFICA TIONS Frequency Response 5 Hz – 100 kHz, +0/-3 dB Distortion THD: < 0.003% at 100 Hz THD: < 0.005% at 20 kHz IM: < 0.003% S/N Ratio > 116 dB, input shorted, IHF A-weigh.
rev . 0.91.
An important point after buying a device Parasound JC 2 (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 2 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 2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Parasound JC 2 you will learn all the available features of the product, as well as information on its operation. The information that you get Parasound JC 2 will certainly help you make a decision on the purchase.
If you already are a holder of Parasound JC 2, 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 2.
However, one of the most important roles played by the user manual is to help in solving problems with Parasound JC 2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Parasound JC 2 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
