Parasound JC3 Phono Preamplifier
Video Review
Highly Recommended
Coming Soon
- Designed by John Curl – creator of the legendary Vendetta Research phono preamp
- Â Inputs and outputs use Vampire brand 24k gold-plated RCA jacks
- Â Balanced outputs use Neutrik brand premium XLR jacks
- Â MM 47 k ohm, MC 100 ohm or MC 47 k ohm; (MC 47 k ohm is ideal for high-end Grado moving iron cartridges)
- Â S/N 86 dB MM; 75 dB MC
- Â RIAA accurate within 0.2 dB
- Â Exclusively Vishay-Dale resistors in the audio path
- Â Triple shielding; low-carbon mild steel partitions isolate the power supplies & AC wires
- Â Dual mono design; each audio channel is separately enclosed in its own extruded aluminum enclosure
- Â Separate high speed-soft recovery rectifiers, filter caps and voltage regulators for each channel
- Â Superior R-core type power transformer
- Â Mono switch can improve sound of mono and older LPs
- Â Built-in AC line conditioner to prevent AC noise from polluting the circuits
- Â AC polarity reverse switch can reduce hum in many systems
- Â Non-magnetic aluminum rear panel for purest sound
- Â Turn On Options switch: manual or auto with 12v trigger input
- Â Premium detachable heavy gauge IEC AC cord
Frequency Response
20 Hz – 20 kHz, +/- 0.2 dB
THD Distortion
THD: < 0.005% at 20 kHz S/N Ratio (MM) > 86 dB, input shorted, IHF A-weighted
> 80 dB, input shorted, unweighted
S/N Ratio (MC)
> 75 dB, input shorted, IHF A-weighted
> 70 dB, input shorted, unweighted
Crosstalk
72 dB at 1 kHz
Phono Input Impedance
MM setting: 47k ohm
MC setting: 47k ohm or 100 ohm
Output Impedance
Unbalanced: < 100 ohm
Balanced: < 100 ohm per leg
Input Sensitivity at 1 kHz
MM: 4mV in for 1.0V output
MC: 0.4mV for 1.0V output
Total Gain
MM: 47 dB
MC: 68 dB