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Parasound Halo JC3 Jr. Phono Pre-amplifier
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Parasound Halo JC3 Jr. Phono Pre-amplifier Parasound Halo JC3 Jr. Phono Pre-amplifier Parasound Halo JC3 Jr. Phono Pre-amplifier Parasound Halo JC3 Jr. Phono Pre-amplifier Parasound Halo JC3 Jr. Phono Pre-amplifier

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Parasound Halo JC3 Jr. Phono Pre-amplifier

Phono Preamplifier by John Curl

$3,255.00
SKU
parajc3jr
  • Circuit designed by legendary John Curl
  • Circuit board layout by Carl Thompson
  • Cartridge options for 47k Ω MM and MC/MI
  • Variable MC Impedance adjustments of 50-550Ω
  • Gain select for 40dB / 50dB / 60dB Unbalanced, 46dB / 56dB / 66dB Balanced
  • Balanced and unbalanced outputs
  • Mono switch can improve sound of mono & older LPs
  • Convenient auto turn-on by 12V trigger
  • RIAA accurate to within 0.2dB
  • Incredible S/N up to 94dB and THD less than 0.02%
  • Vishay-Dale resistors in the audio path
  • Aluminim shield separates power supply and audio circuits
  • Shielded toroidal power transformer
  • High speed, soft recovery bridge rectifiers and common mode inductors
  • Vampire brand 24k gold-plated RCA jacks
  • Neutrik brand locking balanced XLR output connectors
  • Compact 1U chassis (2.5" high with feet)
  • Available in Silver or Black
Frequency Response 20-20kHz, +/- 0.2dB
Total Harmonic Distortion <0.02% at 1kHz
Signal to Noise Ratio, 40dB setting

>85dB, Input Shorted, IHF A-Weighted
>80dB, Input Shorted, Unweighted

Signal to Noise Ratio, 50dB setting >89dB, Input Shorted, IHF A-Weighted
>84dB, Input Shorted, Unweighted
Signal to Noise Ratio, 60dB setting >94dB, Input Shorted, IHF A-Weighted
>91dB, Input Shorted, Unweighted
Input Impedance MM or MI: 47kΩ
MC Variable: 50-550Ω
Output Impedance Unbalanced: <100Ω
Balanced <100Ω Per leg
Input Capacitance 150pF
Input Sensitivity at 1kHz, 4mV Input

40dB: 4mV for 450mV Output
50dB: 4mV for 1.4 Volts Output
60dB: 4mV for 4.25 Volts Output

Input Sensitivity at 1kHz, 1V Output

40dB: 9mV for 1.0 Volt Output
50dB: 3mV for 1.0 Volt Output
60dB: 0.9mV for 1.0 Volt Output

Inter-Channel Crosstalk >80dB at 1kHz
Total Gain 40dB / 50dB / 60dB Unbalanced
46dB / 56dB / 66dB Balanced