| Analog Inputs |
| Frequency Response |
20 Hz to 50 kHz, ± 0.5 dB |
| THD + Noise |
0.09% max (50 kHz, +18 dBu at line out, fader fully up) |
| Equivalent Input Noise |
−126 dBu (−128 dBV) maximum (22 Hz – 22 kHz bandwidth, flat filter, trim control fully up) |
| Input Types |
XLR Mic: active-balanced for use with ≤600 Ω mics, 4 kΩ actual; 12 V or 48 V phantom power, 10 mA max XLR AES: AES3 or AES42 (10 V power), SRC XLR Line: active-balanced for use with ≤2 kΩ outputs, 10 kΩ actual TA3 Line (7–12): active-balanced for use with ≤2 kΩ outputs, 10 kΩ actual RTN A,B,C (3.5 mm/10-pin): unbalanced stereo for use with ≤2 kΩ outputs, 30 kΩ actual |
| Maximum Input Level |
XLR Mic: 0 dBu (0.78 Vrms) XLR Line: +40 dBu (80 Vrms) RTN A,B,C (3.5 mm/Multi-pin): +24 dBu (12.4 Vrms) |
| High-Pass Filters |
Sweepable 80 Hz to 240 Hz, 12 dB/oct at 80 Hz, 6 dB/octave at 240 Hz |
| Input Limiters |
Individual limiters on both trim and fader stages, +16 dBu threshold, 20:1 limiting ratio, 1 mS attack time, 500 mS release time |
| Link I/O |
Unbalanced stereo for linking to MixPre, 302, 442, 552, and 664; 2 kΩ impedance |
| Maximum Gain |
Mic-In-to-Line-Out: 93 dB Mic-In-to-Aux-Out, -10 Out: 79 dB Line-In-to-Line-Out: 39 dB |
| Analog Outputs |
| Output Type |
Line: transformer-balanced for use with ≥600 Ω inputs, 100 Ω -10: transformer-balanced for use with ≥10 kΩ inputs, 3.2 kΩ Mic: transformer-balanced for use with ≥600 Ω inputs, 150 Ω TA3 Mic/Line: active-balanced, pin-2 and 3 driven, for use with ≥3 kΩ inputs, 1 kΩ TA3 Direct Outs Mic/Line: active-balanced, pin-2 and 3 driven, for use with ≥3 kΩ inputs, 1 kΩ Tape Outs (3.5 mm and TA3-type): unbalanced, stereo, for use with ≥6 kΩ inputs, 1.8 kΩ actual Headphones (3.5 mm and 1/4″): unbalanced, stereo, for use with 8–2 kΩ headphones, 50 Ω |
| Line Output Clipping Level (1% THD) |
20 dBu minimum with 10 kΩ load |
| Maximum Output Level |
Line: +20 dBu (7.8 Vrms) -10: +6 dBu (1.5 Vrms) Mic: −20 dBu (0.078 Vrms) Tape Outs: +6 dBu (1.5 Vrms) |
| Output Limiters |
Affects analog output. Threshold selectable from +4 dBu to +20 dBu, 1 dB steps, 20:1 limiting ratio, 1 mS attack time, 500 mS release time |
| Recording |
| Recording Tracks |
16 tracks (12 inputs, 4 output buses), monophonic or polyphonic Broadcast WAV or timecode-stamped MP3 |
| A/D |
24-bit, 114 dB A-weighted dynamic range typical; 44.1 / 47.952 / 48 / 48.048 kHz sample rate |
| Digital Outputs |
AES3 transformer-balanced, in pairs; 1-2 XLR-L, 3-4 XLR-R, 5-6 multi-pin 1, 7-8 multi-pin 2; 110 Ω, 2 V p-p, AES and S/PDIF compatible |
| Recording Storage Type |
SDHC, SD, SDXC — exFAT for cards >32 GB, FAT32 for cards ≤32 GB |
| Timecode & Sync |
| Sample/Timecode Accuracy |
± 0.2 ppm (0.5 frames per 24 hours) |
| Modes Supported |
off, Rec Run, Free Run, 24h Run, External |
| Frame Rates |
23.976, 24, 25, 29.97DF, 29.97ND, 30DF, 30ND |
| Accuracy |
Ambient generator, 0.5 frame in 24 hr |
| Time Code Input |
20 kΩ impedance, 0.3 V – 3.0 V p-p (−17 dBu – +3 dBu) |
| Time Code Output |
1 kΩ impedance, 3.0 V p-p (+12 dBu) |
| Word In/Out |
square wave; 10 kΩ/75 Ω, 1–5 V p-p input; 75 Ω, 3.3 V p-p output, at sample rate |
| Power |
| External |
isolated 10–18 V on locking 4-pin Hirose connector, pin-4 = (+), pin-1 = (−) |
| Internal |
accepts five (5) NiMH, 1.5 V Lithium, or Alkaline AA batteries. Note: run time is very limited with Alkaline batteries (30 minutes to one hour depending on settings). NiMH or Lithium are preferred, offering approx. 2× to 4× the run time. |
| Environmental |
| Operating |
−20 °C to 60 °C, 0 to 90% relative humidity (non-condensing) |
| Storage |
−40 °C to 85 °C |
| Dimensions & Weight |
| Dimensions |
5.3 cm × 32 cm × 19.8 cm (H × W × D); 2.1″ × 12.6″ × 7.8″ |
| Weight |
4 lbs. 12 oz. (unpackaged, without batteries) |