Quantum 2

Specs
Microphone Preamp
 
Type
XLR Female (via Combo), Balanced
Maximum Input Level
+10 dBu (Balanced, min. gain)
Gain Control Range
60 dB
Frequency Response
20 Hz to 20 kHz (±0.15 dB, unity gain, 48 kHz)
20 Hz to 40 kHz (±0.22 dB, unity gain, 96 kHz)
Dynamic Range
> 110 dB (A-wtd, min. gain)
Total Harmonic Distortion
< 0.005% (1 kHz, min. gain)
EIN
< -131 dBu (max gain, 40Ω, 22 kHz BW, A-wtd)
Input Impedance
1.6 kΩ
Phantom Power
+48V, > 8 mA per input
Instrument Inputs
 
Type
¼” TS Female (via Combo), Unbalanced
Maximum Input Level
+15 dBu (Unbalanced, min. gain)
Gain Control Range
60 dB
Frequency Response
20 Hz to 20 kHz (±0.2 dB, unity gain, 48 kHz)
20 Hz to 40 kHz (±0.6 dB, unity gain, 96 kHz)
Dynamic Range
> 106 dB (A-wtd, min. gain)
Total Harmonic Distortion
< 0.005% (1kHz, min. gain)
Input Impedance
> 1 MΩ
Line Inputs
 
Type
¼” TRS Female (via Combo), Balanced
Maximum Input Level
+ 18 dBu (Balanced, min. gain)
Frequency Response
20 Hz to 20 kHz (±0.05 dB, unity gain, 48 kHz)
20 Hz to 40 kHz (±0.10 dB, unity gain, 96 kHz)
Dynamic Range
> 118 dB (A-wtd, min. gain)
Total Harmonic Distortion
< 0.005% (1 kHz, min. gain)
Input Impedance
10 kΩ
Main and Line Outputs
 
Type
¼” TRS Female, impedance balanced, DC coupled
Maximum Output Level
+18 dBu (Balanced)
Frequency Response
20 Hz to 20 kHz (±0.05 dB, unity gain, 48 kHz)
20 Hz to 40 kHz (±0.15 dB, unity gain, 96 kHz)
Dynamic Range
> 118 dB (A-wtd)
Total Harmonic Distortion
< 0.0035% (1 kHz, +4 dBu)
Output Impedance
51Ω
Headphone Outputs
 
Type
¼” TRS Female, Stereo, Unbalanced, x2
Maximum Output Level
175 mW/channel (56Ω load)
Frequency Response
20 Hz to 20 kHz (±0.5 dB, 48 kHz)
Dynamic Range
> 110 dB (A-wtd)
Total Harmonic Distortion
< 0.03% (1 kHz)
Headphone Impedance (working range)
16Ω to 300Ω
Crosstalk
 
Input to Input
< -110 dB
Output to Output
< -115 dB
Input to Output
< -120 dB
Signal Level LEDs
 
Clip
-0.5 dBFS
Signal 1
-2 dBFS
Signal 2
-4 dBFS
Signal 3
-6 dBFS
Signal 4
-10 dBFS
Signal 5
-20 dBFS
Digital Audio
 
Connection Type
Thunderbolt*
ADC Dynamic Range
120 dB (A-wtd)
DAC Dynamic Range
120 dB (A-wtd)
Bit Depth
24 bits
Internally Supported Sample Rates
44.1, 48, 88.2, 96, 176.4, 192 kHz
Clock
 
Jitter
< 70 ps RMS (20 Hz – 20 kHz)
Jitter Attenuation
> 60 dB (1 ns in => 1 ps out)
Power
 
 
12 VDC, 5A, external power supply
Physical
 
Dimensions
 
Height
1.75″ (44 mm)
Depth
7″ (178 mm)
Width
12.5″ (317 mm)
Weight
5 lbs (2.27 kg)