Parasound Halo JC3+ Phono Preamplifier
Parasound's JC3+ is an improved version of the already exceptional JC3 Phono Preamplifier.
FEATURES:
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Designed by John Curl - creator of the legendary Vendetta Research phono preamp
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Inputs and outputs use Vampire brand 24k gold-plated RCA jacks
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Variable MC load adjust independent for each channel from 50-550 ohms with dual gang potentiometers specially made for Parasound by Vishay.
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Curl-Thompson tweaked circuits to further reduce the JC 3 silent background noise.
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24k gold plated copper traces on phono module boards for utmost conductivity and most transparency/detail in the music.
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47% larger low ESD power supply filter caps greater reserve for head-snapping dynamics.
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82% larger R-core power transformer greater reserve for more low end impact.
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Ability to turn off illumination of the front panel P logo.
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Now Available in Silver or Black.
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Balanced outputs use Neutrik brand premium XLR jacks
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MM 47k ohm, MC 47k ohm or MC variable 50-550 Ohms
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RIAA accurate within 0.2 dB
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Exclusively Vishay-Dale resistors in the audio path
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Triple shielding; low-carbon mild steel partitions isolate the power supplies & AC wires
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Dual mono design; each audio channel is separately enclosed in its own extruded aluminum enclosure
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Separate high speed-soft recovery rectifiers, filter caps and voltage regulators for each channel
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Superior R-core type power transformer
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Mono switch can improve sound of mono and older LPs
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Built-in AC line conditioner to prevent AC noise from polluting the circuits
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AC polarity reverse switch can reduce hum in many systems
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Non-magnetic aluminum rear panel for purest sound
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Turn On Options switch: manual or auto with 12v trigger input
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Premium detachable heavy gauge IEC AC cord
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2u Chassis, rack mountable with HRA2 (sold separately)
SPECIFICATIONS:
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Frequency Response 20 Hz - 20 kHz, +/- 0.2 dB
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Total Harmonic Distortion < 0.01% at 1 kHz
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Signal to Noise Ratio, MM > 87 dB, input shorted, IHF A-weighted > 78 dB, input shorted, unweighted
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Signal to Noise Ratio, MC > 87 dB, input shorted, IHF A-weighted > 67 dB, input shorted, unweighted
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Interchannel Crosstalk 72 dB at 1 kHz
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Input Impedance MM: 47k Ω MC: 50 - 550 Ω variable, 47k Ω fixed
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Output Impedance Unbalanced: < 100 Ω Balanced: < 100 Ω per leg
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Input Sensitivity at 1 kHz MM: 4mV for 1 V output MC: 600µV for 1 V output
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Total Gain MM: 48 dB MC: 64 dB
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XLR Pin Identification 1 = Ground (Shield) 2 = Positive 3 = Negative (Return)
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AC Power Requirement Standby: 1 watt Power On: 12 watts 115 or 230 VAC 50 - 60 Hz (Selected on Chassis Bottom)
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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)
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Weight Net: 19 lbs. (8.6 Kg) Shipping: 26 lbs. (11.8 Kg)