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Important Safety Instructions

The lightning flash with the arrowhead symbol within an equilateral triangle is intended to alert the user to the presence
of “dangerous voltage” inside the product that may constitute a risk of electric shock.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating
and maintenance instructions in the literature accompanying the product.

TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER. NO USER-SERVICEABLE PARTS
INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL

1.

Read Instructions

— Read all the safety and operating instructions before operating this product.

2.

Retain Instructions

— Retain safety and operating instructions for future reference.

3.

Heed Warnings

— Adhere to all warnings on the product and in the operating instructions.

4.

Follow Instructions

— Follow all operating and use instructions.

5.

Cleaning

— Unplug this product from the wall outlet before cleaning. Use a damp cloth for cleaning. Clean the

outside of the product only.

6.

Attachments

— Do not use attachments that are not recommended by the product manufacturer; they may be

hazardous.

7.

Water and Moisture

— Do not use this product near water.

8.

Accessories

— Do not place this product on an unstable cart or stand. The product may fall, causing bodily injury

and damage to the product. A product and cart combination should be moved with care. Quick stops, excessive force,
and uneven surfaces may cause the product and cart to overturn.

9.

Ventilation

— Slots and openings in the cabinet are provided for ventilation to ensure reliable operation of the

product and to protect it from overheating. These openings must not be blocked or covered. This product should not be
placed in a built-in installation such as a bookcase or rack unless proper ventilation is provided.

10.

Power Sources

— Operate this product only from the type of power source indicated on the label. If you are not

sure of the type of power supply to your home, consult your dealer or local power company. This product is equipped
with a three-prong grounding plug. This plug will only fit into a grounding power outlet. If you are unable to insert the plug
into the outlet, contact your electrician to replace your obsolete outlet. Do not defeat the safety purpose of the grounding
plug.

11.

Power Cord Protection

— Power supply cords should be routed so that they are not likely to be walked on or

pinched by items placed upon or against them.

12.

Lightning

— Unplug the unit from the wall outlet for added protection during a lightning storm and when it is left

unattended and unused for long periods of time. This will prevent damage to the product due to lightning and power line
surges.

13.

Overloading

— Do not overload wall outlets or extension cords. This can result in a fire or electric shock.

14.

Inserting Objects into Unit

— Never push objects of any kind into this product through any openings; they may

touch dangerous voltage points or short out parts that could result in fire or electric shock.

15.

Servicing

— Do not attempt to repair or service this product yourself. Opening or removing covers may expose you

to dangerous voltage and other hazards. Refer all servicing to qualified service personnel.

16.

Damage Requiring Service

— Unplug this product from the wall outlet and refer servicing to qualified

service personnel under the following conditions:

a)

If the power-supply cord or plug is damaged.

b)

If liquid has been spilled into the product.

c)

If the product has been exposed to rain or water.

d)

If the product does

not operate normally by following the operating instructions.

e)

If the product has been dropped or damaged in any way.

f)

If the product exhibits a distinct change in performance.

17.

Replacement Parts

— When replacement parts are required, be sure the service technician has used

replacement parts specified by the manufacturer. Unauthorized substitutions may result in fire, electric shock, and other
hazards.

18.

Safety Check

— Upon completion of any service or repairs to this product, ask the service technician to perform

safety checks to determine that the product is in proper operating condition.

19.

Wall or Ceiling Mounting

— Mount the product to a wall or ceiling only as recommended.

20.

Heat

— The product should be situated away from heat sources such as radiators, heat registers, stoves, and

other products (including amplifiers) that produce heat.

Summary of Contents for Halo JC 3+

Page 1: ...JC 3 Phono Preamplifier OWNER S GUIDE...

Page 2: ...This plug will only fit into a grounding power outlet If you are unable to insert the plug into the outlet contact your electrician to replace your obsolete outlet Do not defeat the safety purpose of...

Page 3: ...ation Guidelines 5 AC Voltage Selection 6 Audio Input and Output Connections 7 Other Connections on your JC 3 9 Rear Panel Controls 9 Front Panel Operation 10 Frequently Asked Questions 11 If You Requ...

Page 4: ...ase receipt bill of sale and store it inside the JC 3 s carton Parasound JC 3 Phono Preamplifier Serial __________________________________________________ Parasound Dealer ____________________________...

Page 5: ...o its rear panel connections Place your JC 3 where you can route input and output signal cables as far as possible from any AC cords Where signal cables must cross AC cords they should do so only at a...

Page 6: ...v markings on the carton The 115V setting is correct for North America where the JC 3 can operate safely with AC line voltages between 110 120v Most other countries will require the switch to be set t...

Page 7: ...channel inputs and outputs Note In some cases eliminating hum might require connecting your turntable ground wire directly to your line stage preamp instead of to the JC 3 You can use any chassis scre...

Page 8: ...hm load You can try the 47k settings to see which sounds best in your system MC 47k Fixed is also the load that Grado and Soundsmith recommend for their Moving Iron MI cartridges Setting the Impedance...

Page 9: ...nvenience there are two ways the JC 3 can be turned on and off Manual Use the front panel On Off button 12 V When the Turn On Options switch is set to the 12 V position the JC 3 is turned on and off a...

Page 10: ...io signals from the non audio circuits and non audio wiring Each channel has its own circuit board and each channel is fully enclosed in its own extruded aluminum vault This vault shields the sensitiv...

Page 11: ...h other while power is off Try to route audio cables and AC cords perpendicular to each other while power is off Make sure insulating shoulder washers are used if unit is rack mounted Ensure that the...

Page 12: ...Parasound Under the Following Conditions 1 Unit was sent without the Parasound assigned RA number marked on the carton 2 Unit was sent in an unsuitable shipping carton and is likely to have been dama...

Page 13: ...ponse 20Hz 20kHz 0 2dB Total Harmonic Distortion 0 01 at 1kHz Signal to Noise Ratio MM 87dB input shorted IHF A weighted 78dB input shorted unweighted Signal to Noise Ratio MC 87dB input shorted IHF A...

Page 14: ...14 Parasound Products Inc 2250 McKinnon Ave San Francisco CA 94124 415 397 7100 Fax 415 397 0144 www parasound com...

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