Parasound Premplifiers
Frequency Response
10 Hz – 100 kHz, +0/-3 dB
20 Hz – 20 kHz, +0/-0.5 dB
Total Harmonic Distortion (THD)
< 0.01 %
Interchannel Crosstalk
> 70 dB at 20 kHz
> 78 dB at 1 kHz
Preamplifier Stage Input Sensitivity
300 mV in for 1 V
Total Gain: 10 dB
Max Output: 7.5V
S/N Ratio – Line Inputs 1- 5
> 108 dB (shorted, IHF A-weighted)
> 88 dB (shorted, unweighted)
S/N Ratio – DAC Inputs
> 108 dB (IHF A-weighted)
> 88 dB (unweighted)
S/N Ratio – Phono Input
MM > 80 dB (shorted, IHF A-weighted)
MM > 70 dB (shorted, unweighted)
MC > 67 dB (shorted, IHF A-weighted)
MC > 55 dB (shorted, unweighted)
Phono Stage Sensitivity / Input Impedance
MM: 38 dB / 47 k Ω
MC: 52 dB / 47 k Ω or 100 Ω
Input Impedance
Unbalanced: 24 k Ω
Balanced: 100 k Ω per leg
Preamplifier Output Impedance
Unbalanced: 100 Ω
Balanced: 470 Ω per leg
High & Low Pass Crossover Slope
12 dB per octave
Supported DAC Sampling Rates
USB: up to 384 kHz / 32-bit PCM
DSD Native: DSD 64, DSD 128, DSD 256
DSD over PCM (DoP) at 384 kHz
Coax/Optical: up to 192 kHz / 24-bit PCM
Digital to Analog Converter
ESS Sabre32 Reference ES9018K2M
384 kHz / 32-bit
USB 2.0 Controller
Savitech SA9227, 384 kHz / 32-bit
Headphone Amplifier
Texas Instruments TPA6120A
Output Impedance 10 ohms
XLR Pin Identification
1 = Ground (Shield)
2 = Positive
3 = Negative (Return)
Dimensions
Width: 17-1/4″ (437 mm)
Depth: 15″ (381 mm)
Depth, with cables 17″ (432 mm)
Height, with feet: 4-1/8″ (105 mm)
Height, without feet: 3-1/2″ (89 mm), 2U
Net Weight
14 lb. (6.3 kg)
Shipping Weight
21 lb. (9.5 kg)
Power Requirement
Standby: 0.5 watts
Power On: 15 watts
100-250 VAC 50/60 Hz (automatic)10 Hz – 100 kHz, +0/-3 dB
20 Hz – 20 kHz, +0/-0.5 dB
Frequency Response:
20 Hz – 20 kHz, +0 / -0.05 dB
10 Hz – 80 kHz, +0 / -3 dB
Total Harmonic Distortion: (20 Hz – 20 kHz)
< 0.03 %
Interchannel Crosstalk:
75 dB at 20 kHz
Input Sensitivity:
250mv = 1V output
Total gain = 12 dB (volume set to 100)
Unity Gain = Volume set to 76
Maximum output = 3.5V
Phono Stage Sensitivity / Input Impedance
MM: 40 dB / 47 k Ω
MC: 50 dB / 100 Ω
Input Impedance:
24k Ohms
Output Impedance:
470 Ohms
S/N Ratio – Line Inputs:
> 100 dB, input shorted, IHF A-weighted
> 90 dB, input shorted, unweighted
S/N Ratio – Digital Inputs:
> 100 dB, input shorted, IHF A-weighted
> 90 dB, input shorted, unweighted
DC Trigger Output:
12 Vdc, 50ma
AC Power Requirement:
10 Watts maximum
<0.5 Watts in standby
90-250 VAC 50/60 Hz (automatic)
Dimensions:
Width: 17.25″ (437 mm)
Depth: 14.25″ (362 mm)
Depth: 16″ (369 mm) with cables connected
Height, with feet: 2.5″ (105 mm)
Height, without feet: 1.75″ (89 mm), 1U
Weight:
Net: 11 lbs (5 kg)
Shipping: 17 lbs (7.7 kg)
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