| Mix control enables headphone monitoring of analog source audio, computer audio, or a mix of both source and computer audio Phono (RCA) jacks connect PC AUDIO output to external loudspeakers or preamplifiers Bus powering from the USB port eliminates exter |
strength extruded aluminum chassis |
| Flat 10 Hz to 22 kHz audio bandwidth Exceptionally low distortion characteristics Two inputs accept microphone, instrument, line, or tape level inputs Input type is selected per channel |
allowing two different signal types simultaneously |
| Dynamic range greater than 106 dB (in 24 |
bit operation) |
| High |
power headphone monitor |
| Compact dimension (4.4 cm H x 18.5 cm W x 10.0 cm D) Mac OS 9, Sound Manager compatible, OS X Core Audio, PowerPC or Intel |
based Mac |
| Phantom power (48 volt) for condenser microphones S/PDIF coaxial input and output Six |
segment LED peak input meter |
| Temperature |
0 to 70 degrees C, 32 to 160 degrees F. |
| Power supply |
USB bus powered, 3 stage soft-start meets USB hot-plugging power requirements, 5 V, 350 mA quiescent current from USB port, 5 V 500 mA max current from USB port. |
| Input Limiters |
24-bit maximum input, |
| THD + Noise |
(10 Hz - 22 kHz measurement bandwidth) 0.05% max. (any input to PC recording, gain control at min., input driven to -6 dB FS) 0.009% max. (PC audio output, 0 dB FS output, 100k ohm load) 0.05% max. (headphone output, 2 V rms output, 600 ohm load). |
| Equivalent Input Noise |
(mic inputs) -124 dBu min. (10 Hz - 22 kHz bandwidth, 150 ohm source, gain control at 50% or more, 15 dB pad out). |
| Weight |
0.5 kg, 1.13 lbs. unpackaged without two alkaline AA batteries. |
| L/R Gain Matching |
|
| Metering |
Input level at A/D converter, 6- segment, 30 dB total range, peak responding, 0 dB on meter = 0 dB FS (0 dB referenced to Full Scaled Digital). |
| Output Noise |
16-bit resolution, 90 dB min. dynamic range, 24 and 16-bit mode (10 Hz - 22 kHz bandwidth, A-weighted) |
| Dimensions |
43 x 180 x 100 mm (H x W x D) or 1.7 x 7.25 x 4.25" (H x W x D). |
| Line Output Clipping Level (1% THD) |
(1% THD, Windows mixer/Mac volume at max.) PC audio: +8 dBu (2.0 V rms) w/ 100k ohm load headphones: +11 dBu (2.75 V rms) w/ 600 ohm load. |
| Mic Powering (each mic selectable) |
48 V through 6.8k W resistors, each mic input will supply 10 mA. |
| Frequency Response |
(reference 1 kHz) 10 Hz - 20 kHz, ±0.5 dB (any input to PC recording) 10 Hz - 20 kHz, +/- 1.0 dB (PC source to PC audio out). |
| Input Clipping Level |
+4 dBu minimum at the 0 or +18 dB gain setting. |
| Output Limiters |
PC audio -3.3k ohms, headphones - 20 ohms. 20-bit maximumhardware output. |
| Dynamic Range |
106 dB minimum in 24-bit operation. |