Description
John Curl Reference Phono Preamp, Dual Mono Design, Variable MC Load Adjustment, Mono Switch, 2u
Specifications
Frequency Response
20 Hz – 20 kHz, +/- 0.2 dB
Total Harmonic Distortion
< 0.01% at 1 kHz
Signal to Noise Ratio, MM
> 87 dB, input shorted, IHF A-weighted
> 78 dB, input shorted, unweighted
Signal to Noise Ratio, MC
> 87 dB, input shorted, IHF A-weighted
> 67 dB, input shorted, unweighted
Interchannel Crosstalk
72 dB at 1 kHz
Input Impedance
MM: 47k Ω
MC: 50 – 550 Ω variable, 47k Ω fixed
Output Impedance
Unbalanced: < 100 Ω
Balanced: < 100 Ω per leg
Input Capacitance
150 pF
Input Sensitivity at 1 kHz
MM: 4mV for 1 V output
MC: 600µV for 1 V output
Total Gain
MM: 48 dB
MC: 64 dB
XLR Pin Identification
1 = Ground (Shield)
2 = Positive
3 = Negative (Return)
AC Power Requirement
Standby: 1 watt
Power On: 12 watts
115 or 230 VAC 50 – 60 Hz
(Selected on Chassis Bottom)
Dimensions
Width: 17-1/4″ (437mm)
Depth: 13-3/4″ (350mm)
Height, with feet: 4-1/8″ (105mm)
Height, without feet: 3-1/2″ (89mm)
Weight
Net: 19 lbs. (8.6 Kg)
Shipping: 26 lbs. (11.8 Kg)
Rack Mount Accessory
HRA 2 (may be purchased separately)
