Frequency Response
  • 20 Hz to 50 kHz, ± 0.5 dB
THD + Noise

0.09% max (50 kHz, +18 dBu at line out, fade fully up)

Equivalent Input Noise
  • -126 dBu (-128 dBV) maximum. (22 Hz - 22 kHz bandwidth, flat filter, trim control fully up)
Inputs
  • XLR Mic: active-balanced for use with ≤600 ohm mics, 4k ohm actual; 12V or 48V phantom power, 10 mA max
  • XLR AES: AES3 or AES42 (10 V power), SRC
  • XLR Line: active-balanced for use with ≤2k ohm outputs, 10k ohm actual
  • TA3 Line (7-12): active-balanced for use with ≤2k ohm outputs, 10k ohm actual
  • RTN A,B,C (3.5 mm/10-pin): unbalanced stereo for use with ≤2k ohm outputs, 30k ohm 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; 2k ohm 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
Output Type
  • Line: transformer-balanced for use with >=600 ohm inputs, 100 ohms
  • -10: transformer-balanced for use with >=10k ohm inputs, 3.2k ohm
  • Mic: transformer-balanced for use with >=600 ohm inputs, 150 ohms
  • TA3 Mic/Line: active-balanced, pin-2 and 3 driven, for use with >=3k ohm inputs, 1k ohm
  • TA3 Direct Outs Mic/Line: active-balanced, pin-2 and 3 driven, use with >=3k ohm inputs, 1k ohm
  • Tape Outs (3.5 mm and TA3-type): unbalanced, stereo, use with >=6k ohm input, 1.8k ohm actual
  • Headphones (3.5 mm and 1/4"): unbalanced, stereo, use with 8-2k ohm headphones, 50 ohms
Line Output Clipping Level
  • (1% THD) 20 dBu minimum with 10k load
Maximum Output Level
  • Line: +20 dBu (7.8 Vrms)
  • -10: +6 dBu (1.5 V rms)
  • 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 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 kHz, 47.952 kHz, 48 kHz, 48.048 kHz SR
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 ohm, 2 V p-p, AES and S/PDIF compatible
Recording Storage Type
  • SDHC, SD, SDXC - exFAT for cards >32 GB, FAT32 for <32 GB; CompactFlash (CF) FAT32, will format memory cards in unit
Sample/Timecode Accuracy
  • ± 0.2 ppm (0.5 frames per 24 hours)
Timecode and Sync
  • 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: 20k ohm impedance, 0.3 V - 3.0 V p-p (-17 dBu - +3 dBu)
  • Time Code Output: 1k ohm impedance, 3.0V p-p (+12 dBu)
  • Word In/Out: square wave; 10k/75 ohm, 1-5V p-p input; 75 ohm, 3.3V p-p output, at SR
Power
  • External: isolated 10-18 V on locking 4-pin Hirose connector, pin-4 = (+), pin-1 = (-).
  • Internal: accepts five (5) NiMH, 1.5V Lithium, or Alkaline AA batteries. Note that run time will be very limited when using Alkaline batteries (30 minutes to one hour depending on settings). NiMH or Lithium batteries are the preferred type because of the approximate 2x to 4x run time compared to Alkalines.
Environmental
  • Operating: -20°C to 60°C, 0 to 90% relative humidity; (non-condensing) Storage: -40°C to 85°C
Dimensions and Weight
  • Dimensions: 5.3 cm x 32 cm x 19.8 cm (H x W x D) 2.1" x 12.6" x 7.8"
  • Weight: 4 lbs. 12 oz. (unpackaged, without batteries)

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