Parasound Halo JC3 Jr Phono Preamplifier (Ex Demo)

Parasound's mission is to put great sound into stunning packages, priced magnitudes lower than any competitor. The results have been clear: Parasound products have won best-in-class awards in the most popular audiophile publications year after year.

Features

Circuitry designed by legendary John Curl

Circuit board layout by Carl Thompson

Cartridge options for 47k Ω MM and MC/MI

Variable MC impedance adjustment of 50-550 ohms

Gain select for 40 dB/50 dB/60 dB unbalanced (46 dB/56 dB/66 dB 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 0.2 dB

Incredible S/N up to 94 dB and THD less than 0.02%

Vishay-Dale resistors in the audio path

Aluminum shield separates power supply and audio circuits

Shielded toroid power transformer

High speed-soft recovery bridge rectifiers and common mode inductors

Vampire brand 24k gold-plated RCA jacks

Neutrik brand locking balanced XLR outputs connectors

Compact 1U chassis (2.5" high with feet)

Available in silver or black

Specifications

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 

Input Impedance 

MM or MI: 47k Ω 

MC Variable: 50- 550 Ω

Total Gain 

40 dB / 50 dB / 60 dB (unbalanced output) 

46 dB / 56 dB / 66 dB (balanced output)

AC Power Requirement 

Standby: <1 watt 

Power On: 9 watts 

115 VAC or 230 VAC 50 - 60 Hz 

Dimensions 

Width: 17-1/4” (437mm) 

Depth: 14-3/4” (375mm) Depth with cables: 17” (432mm) 

Height: 2-1/2” (63.5mm) 

Height, without feet: 1-3/4” (45mm) 

Weight 

Net: 13 lbs. (5.9 Kg) 

Shipping: 19 lbs. (8.6 kg)

>80 dB at 1 kHz