Parasound JC 3+ Phono Preamplifier

$6,799.00 inc. GST

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Designed by John Curl – creator of the legendary Vendetta Research phono preamp, the Parasound JC 3+ Phono Preamplifier Delivers outstanding performance levels and sublime detail.

Parasound JC 3+ Phono Preamplifier Key Features;

  •   Inputs and outputs use Vampire brand 24k gold-plated RCA jacks
  •   Balanced outputs use Neutrik brand premium XLR jacks
  •   MM 47k ohm, MC 47k ohm or MC variable 50-550 Ohms
  •   RIAA accurate within 0.2 dB
  •   Exclusively Vishay-Dale resistors in the audio path
  •   Triple shielding; low-carbon mild steel partitions isolate the power supplies & AC wires
  •   Dual mono design; each audio channel is separately enclosed in its own extruded aluminium enclosure
  •   Separate high speed-soft recovery rectifiers, filter caps and voltage regulators for each channel
  •   Superior R-core type power transformer
  •   Mono switch can improve the sound of mono and older LPs
  •   Built-in AC line conditioner to prevent AC noise from polluting the circuits
  •   AC polarity reverse switch can reduce hum in many systems
  •   Non-magnetic aluminium rear panel for the purest sound
  •   Turn On Options switch: manual or auto with 12v trigger input
  •   Premium detachable heavy gauge IEC AC cord
  •   2u Chassis, rack-mountable with HRA2 (sold separately)


How the JC 3+ improves on the original JC 3:

  •   Variable MC load adjust independently for each channel from 50-550 ohms with dual gang potentiometers specially made for Parasound by Vishay.
  •   Curl-Thompson tweaked circuits to further reduce the JC 3 silent background noise.
  •   24k gold plated copper traces on phono module boards for utmost conductivity and the most transparency/detail in the music.
  •   47% larger low ESD power supply filter caps greater reserve for head-snapping dynamics.
  •   82% larger R-core power transformer greater reserve for more low-end impact.
  •   Ability to turn off illumination of the front panel P logo.
  •   Now Available in Silver or Black.


  • 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
  • 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)



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Parasound JC 3
Parasound JC 3+ Phono Preamplifier
$6,799.00 inc. GST Select options
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