Parasound Halo JC 3 Jr Phono Preamplifier

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Priced from $3,295.00

Compatible With Both Moving Coil (MC) & Moving Magnet (MM) Cartridges

Designed By Legendary John Curl

Mono Switch Can Improve Sound Of Mono & Older LPs

Available Finishes: Black & Silver

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About The Parasound Halo JC 3 Jr Phono Preamplifier

If you're into vinyl records, then you'll discover that the Parasound Halo JC 3 Jr. Phono Preamplifier is at the pinnacle of analogue audio technology and value engineering. Its “DNA” and circuit topologies are inspired by Parasound's acclaimed JC 3 and JC 3+ phono preamplifiers. The JC 3 Jr. advances legendary designer John Curl’s reputation for designing legendary phono preamplifiers dating back to the 1970s.

John Curl is a legendary audio designer with several decades of experience, known for designing acclaimed phono stage preamps for known high quality audio brands and known for Parasound. His previous work, the JC 3+, is a stereophile class-A recommended component, which in laymen’s terms means officially brilliant, with the best performance in its category. Now John has no desire to stop creating fantastic quality products and has a never-say-die attitude and so his new JC 3 Jr. is the ultimate value-engineered phono preamplifier which is his most affordable…ever.

Parasound Halo JC 3 Jr Phono Preamplifier

Audiophile Performance On A Budget: If you’re trying to get the most out of your turntable with a modest setup then the JC 3 Jr. is for you. The Jr. is the lowest cost product to bear the Parasound name, but don’t let that fool you into thinking that Parasound have lowered the level of quality. In terms of hardware and components there are certain core elements: Vishay-Dale resistors in the audio path, aluminium shielded power supply and audio circuits (with shielded toroid power transformer), high speed-soft recovery bridge rectifiers and common mode inductors, vampire brand 24k gold-plated RCA jacks and also Neutrik brand locking balanced XLR outputs connectors.

Again, certain key fundamentals can be seen in the acceptance of multiple cartridge options and loading options as there are cartridge options for 47k Ohm MM and MC/MI, plus variable MC impedance adjustment of 50-550 Ohms and also designated gain select for 40 dB/50 dB/60 dB unbalanced (46 dB/56 dB/66 dB balanced). On the performance front the shrewd design and performance seen in the larger Parasound Halo JC3+ can be extended to the 'JR', with an RIAA accurate to within 0.2 dB alongside the incredibly consistent S/N up to 94 dB and THD less than 0.02%.

About Parasound

In the complicated landscape of audio, many companies, particularly in the USA, put stratospheric price tags on great performance.  Parasound have a different philosophy with an aim to offer the most performance for the money by finding the sweetest spot between price and diminishing returns. If you're reading this then you are undoubtedly a music lover and audio enthusiast and should be interested in looking for top-tier sound without breaking the bank and this is why you need to seriously listen to Parasound products. Everything they do at Parasound is customer-centric because that's how they define value. Every time another expert compares a Parasound product to equipment that costs significantly more, Parasound has equalled or even surpassed the competitor.

Each new model is tested, improved and re-tested under worst-case conditions. It comes to market only when it is a finished product that's ready to stand the test of time. Parasound was founded not just on engineering expertise, but also 15 years of experience in retail audio. It may be a cliché, but they really do treat their customers the way they would like to be treated. And that includes Audio Trends and their customers here in Victoria, Australia. A long list of companies like Pixar and Sony, for whom money is no object, choose Parasound. Every Parasound products has the same chance of going to your home as it does to Lucasfilm or Capitol Records. When you choose Parasound you're getting uncompromised quality for every model. They all use the best parts and each must pass their strictest quality assurance. Come and see and hear why we love them.


So if you are searching for the near-perfect phono preamp to really give your analogue system the performance and quality sound it deserves and at a price that won't send you to the dog-house, then without a doubt, the Halo JC 3 Jr. from Parasound is worth your serious consideration.

Main Features & Specifications

  • Design: Phono Preamplifier Designed By John Curl
  • Circuit Board Layout: By Carl Thompson
  • Cartridge Options: For 47k Ω MM and MC/MI
  • Variable MC Impedance Adjustment: 50-550 Ohms
  • Gain select for 40 dB/50 dB/60 dB unbalanced (46 dB/56 dB/66 dB balanced)
  • Outputs: Balanced and unbalanced outputs
  • Mono Switch: Can improve sound of mono & older LPs
  • Auto Turn-On: Convenient auto turn-on by 12V trigger
  • RIAA: Accurate to within 0.2 dB
  • Signal-To-Noise: Incredible S/N up to 94 dB and THD less than 0.02%
  • Resistors: Vishay-Dale resistors in the audio path
  • Aluminium Shield: Separates power supply and audio circuits
  • Power Transformer: Shielded toroid power transformer
  • Bridge Rectifiers: High speed-soft recovery bridge rectifiers and common mode inductors
  • RCA Jacks: Vampire brand 24k gold-plated RCA jacks
  • XLR Outputs: Neutrik brand locking balanced XLR outputs connectors
  • Chassis: Compact 1U chassis (2.5" high with feet)
  • Frequency Response: 20-20Khz, +/- 0.2dB
  • Total Harmonic Distortion: 0.02% at 1 kHz
  • Signal to Noise Ratio, 40 dB Setting: >85dB, input shorted, IHF A-weighted; >80dB, input shorted, unweighted
  • Signal to Noise Ratio, 50 dB Setting:
    • >89dB, input shorted, IHF A-weighted
    • >84dB, input shorted unweighted
  • Signal to Noise Ratio, 60 dB Setting:
    • > 94dB, input shorted, IHF A-weighted
    • > 91dB, input shorted, unweighted
  • Inter-channel Crosstalk: >80 dB at 1 kHz
  • Input Impedance:
    • MM or MI: 47k Ω
    • MC Variable: 50- 550 Ω
  • Output Impedance:
    • Unbalanced: < 100 Ω
    • Balanced: < 100 Ω per leg
  • Input Sensitivity at 1 kHz, 4mV Input:
    • 40 dB: 4 mV for 450mV output
    • 50 dB: 4 mV for 1.4 Volts output
    • 60 dB: 4 mV for 4.25 Volts output
  • Input Sensitivity at 1 kHz, 1V Output:
    • 40 dB: 9 mV for 1.0 Volt output
    • 50 dB: 3 mV for 1.0 Volt output
    • 60 dB: 0.9 mV for 1.0 Volt output
  • Total Gain: 
    • 40 dB / 50 dB / 60 dB (unbalanced output)
    • 46 dB / 56 dB / 66 dB (balanced output)
  • XLR Pin Identification:
    • 1 = Ground (Shield)
    • 2 = Positive
    • 3 = Negative (Return)
  • AC Power Requirement:
    • Standby: <1 watt
    • Power On: 9 watts
    • 115 VAC or 230 VAC 50 – 60 Hz
  • Available Finishes: Black & Silver
  • Dimensions (WxHxD): 437 x 45 x 375 mm
  • Dimensions With Cables And Feet (WxHxD): 437 x 63.5 x 432mm
  • Nett Weight: 5.9kg
  • Shipping Weight: 8.6kg
  • Manufacturer's Warranty: 3 Years

Note: Features & Specifications Subject To Change Without Notice. E&OE

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