Parasound
Parasound JC3+ Phono Preamp
Parasound JC3+ Phono Preamp
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Regular price
$4,780.00
Regular price
Sale price
$4,780.00
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Description
Parasound's JC3+ phono stage is upgraded, enhanced and extracts every drop of warmth, detail, and emotion from your records, so your favorite albums sound alive and full of feeling. This John Curl-designed phono amp, features a dual-mono, all-analog architecture for ultra-low noise and stunning musicality. With support for both MM and MC cartridges (adjustable loading), and balanced XLR plus gold-plated RCA outputs, the JC 3+ integrates seamlessly into high-end analog systems.
Features & Specifications:
- Designed by John Curl – creator of the legendary Vendetta Research phono preamp
- 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 aluminum enclosure
- Separate high speed-soft recovery rectifiers, filter caps and voltage regulators for each channel
- Mono switch can improve 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 aluminum rear panel for 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 independent 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 most transparency/detail in the music.
- 47% larger low ESD power supply filter caps greater reserve for head-snapping dynamics.
- 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 Capacitance
150 pF -
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)
