Parasound
Halo JC 3+
Introduced 2015$3,350 MSRP
John Curl-designed dual-mono phono preamplifier with separately shielded channel modules and variable MC loading; a long-standing reviewer favorite.
MSRP
$3,350
Used market · Excellent
$2,000
-40% vs MSRP
as of Sep 1, 2026MSRP to used market
From $2,200 at launch to $2,000 today.
Specifications
- Type
- MM/MC phono preamp
- Price
- $2,995 USD
- Design
- Solid-state, direct-coupled amplification with FET followers on each channel's circuit board
- Inputs
- Single-ended stereo RCA input (Vampire RCA jacks), plus 12V trigger input
- SNR
- 87 dB
- Weight
- 19 lbs / 8.6 kg net
- Outputs
- balanced XLR and unbalanced RCA
- Topology
- dual mono, all-analog, discrete; MM 48dB / MC 64dB gain, variable MC loading 50-550 ohms
- Dimensions
- 17.25 × 4.125 × 13.75 in / 437 × 105 × 350 mm (W × H × D, with feet)
- Gain settings
- MM: 48 dB; MC: 64 dB
- Loading resistive
- Three-position switch per channel: 47 kΩ (MM), variable 50–550 Ω (MC), or fixed 47 kΩ (MC)
- Loading capacitive
- 150 pF input capacitance
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