The Parasound Halo JC3 Jr is a John Curl designed phono preamplifier for moving magnet and moving coil cartridges. It uses a dual mono layout with independent power supply regulation per channel, selectable gain, and adjustable MC loading, in the compact Halo chassis.
See pictures for condition. Comes with all original accessories. If you have any questions about the condition or what accessories are included, please give us a call.
Specs
Type
Phono preamplifier for moving magnet and moving coil cartridges
Circuit design
John Curl
Gain (unbalanced)
40 / 50 / 60 dB, switchable
Gain (balanced)
46 / 56 / 66 dB
Input impedance (MM/MI)
47k ohms
Input impedance (MC)
Variable, 50 to 550 ohms
Input capacitance
150 pF
Frequency response
20 Hz to 20 kHz, +/- 0.2 dB
Total harmonic distortion
< 0.02% at 1 kHz
Signal to noise ratio (40 dB gain)
> 85 dB IHF A-weighted; > 80 dB unweighted, input shorted
Signal to noise ratio (50 dB gain)
> 89 dB IHF A-weighted; > 84 dB unweighted, input shorted
Signal to noise ratio (60 dB gain)
> 94 dB IHF A-weighted; > 91 dB unweighted, input shorted
Interchannel crosstalk
> 80 dB at 1 kHz
Output impedance
< 100 ohms unbalanced; < 100 ohms per leg balanced