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XLR Pin Identification

1 = Ground (Shield)
2 = Positive
3 = Negative (Return)

AC Power Requirement

Standby: 1 watt
Power On: 12 watts
115 or 230 VAC 50 - 60 Hz
(Selected on Chassis Bottom)

Dimensions

Width: 17-1/4” (437mm)
Depth: 13-3/4” (350mm)
Height, with feet: 4-1/8” (105mm)
Height, without feet: 3-1/2” (89mm)

Weight

Net: 19 lbs. (8.6 Kg)
Shipping: 26 lbs. (11.8 Kg)

Rack Mount Accessory

HRA 2 (may be purchased separately)

Specifications

Frequency Response

20 Hz - 20 kHz, +/- 0.2 dB

Total Harmonic Distortion

< 0.01% at 1 kHz

Signal to Noise Ratio, MM

> 87 dB, input shorted, IHF A-weighted
> 78 dB, input shorted, unweighted

Signal to Noise Ratio, MC

> 87 dB, input shorted, IHF A-weighted
> 67 dB, input shorted, unweighted

Interchannel Crosstalk

72 dB at 1 kHz

Input Impedance

MM: 47k

Ω 

MC: 50 - 550

Ω variable, 47k Ω fixed  

Output Impedance

Unbalanced: < 100

Ω  

Balanced: < 100

Ω per leg 

Input Sensitivity at 1 kHz

MM: 4mV for 1 V output
MC: 600µV for 1 V output

Total Gain

MM: 48 dB
MC: 64 dB

Specifications and features subject to change
or improvement without notice.

Copyright Parasound Product Inc., 2013

Rev. 1.0

www.parasound.com

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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