 
     
      
      
      
    | Schiit Audio Kara Preamplifier & Headphone Amplifier Specifications | |
| Balanced to Balanced | |
| Gain | 1 (0dB) | 
| Frequency Response | 20Hz-20Khz, -0.1db 3Hz-500KHz, -3dB | 
| THD | <0.0002%, 20Hz-20KHz, at 4V RMS | 
| IMD | <0.0002%, CCIR | 
| SNR | >129db, A-weighted, referenced to 4V RMS | 
| Gain | 4 (12dB) | 
| Frequency Response | 20Hz-20Khz, -0.1db 3Hz-300KHz, -3dB | 
| THD | <0.0004%, 20Hz-20KHz, at 4V RMS | 
| IMD | <0.0004%, CCIR | 
| SNR | >123db, A-weighted, referenced to 4V RMS | 
| Balanced to SE, x1 Gain | |
| Frequency Response | 20Hz-20Khz, -0.1db 3Hz-500KHz, -3dB | 
| THD | <0.0003%, 20Hz-20KHz, at 2V RMS | 
| IMD | <0.0003%, CCIR | 
| SNR | >123db, A-weighted, referenced to 2V RMS | 
| SE to Balanced, x1 Gain | |
| Frequency Response | 20Hz-20Khz, -0.1db 3Hz-500KHz, -3dB | 
| THD | <0.0015%, 20Hz-20KHz, at 4V RMS | 
| IMD | <0.0022%, CCIR | 
| SNR | >122db, A-weighted, referenced to 4V RMS | 
| Headphone, x1 Gain | |
| Maximum Power, 32 ohms | 1W RMS per channel | 
| Maximum Power, 300 ohms | 1W RMS per channel | 
| SNR | >123db, unweighted, referenced to 2V RMS | 
| Crosstalk | >-90dB | 
| Output Impedance | 0.25 ohms | 
| Passive Mode | |
| Input Impedance | 10K ohms | 
| Output Impedance | 75 ohms SE, 600 ohms balanced | 
| Crosstalk | >110dB typical all modes | 
| Topology | Nexus™; current feedback with nested differential stages; discrete summed single-ended outputs with high-current headphone capability; intelligent headphone oversight and protection | 
| Inputs | 2 XLR pairs plus 3 RCA pairs, selectable via front switch or remote | 
| Outputs | 1 XLR pair plus 2 RCA pairs, selectable via front switch or remote | 
| Volume Control | Relay-switched stepped attenuator with discrete thin-film resistors, 128 0.625dB steps | 
| Power Supply | One 48VA transformer with dual series regulated +/-32V rails with Quietude™ topology; plus regulated 5VDC for microprocessor | 
| Power Consumption | 22W typical | 
| Size | 16” x 8” x 2” | 
| Weight | 11 lbs |