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Nagra Seven - Inputs; Outputs; ANNEX I ALC; Limiter Detailed Explanations

Nagra Seven
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Chapter VI September 2013
97
CHAPTER VI SPECIFICATIONS
Recording
Data storage medium 16 GB Internal micro SD card (user expandable)
Removable media SD card (Hot Swappable)
Disk format FAT 16 / 32
Recording Method Linear digital PCM (optional MPEG 1 layer II)
File type 16 / 24 bit Broadcast Wave File BWF (WAV) with iXML,
AES 31 compatible
A/D & D/A conversion 24-Bit Sigma Delta
Tracks 2 individual
Sampling Rate 44.1, 48, 88.2, 96, 176.4 and 192 kHz (with 0.1% pull up/down)
Recording capacity 1 hr. stereo @ 24 bit 48 kHz per GB of disk / memory
Mono / polyphonic Selectable
Pre-recording buffer Up to 20 seconds @ 48 kHz.
Display 4-inch color LCD touchscreen TFT anti-reflection / sun light readable
Level meters On color display
Inputs
Digital inputs XLR AES-3 / AES 42, SRC (Sample Rate Converter)
Analogue inputs 2 x symmetrical XLR Microphone (Dynamic, +48V Phantom) / line
Microphone input sensitivity 2.8, 10 and 40 mV/Pa selectable
Limiters User programmable on microphone inputs, individual as a pair.
Line input sensitivity Adjustable from -6 dBm up to +24 dBm for 0 dBFS recording
THD at 1 kHz <0.2% Mic, <0.01% line (measured on AES out)
Frequency response Mic, 10Hz – 21.8 kHz @ 48 kHz, 10 Hz – 43.5 kHz @ 96 kHz and 10 Hz – 70
kHz @ 192 kHz ± 0.5 dB, Line ±0.2 dB (measured on AES out)
Input noise (condenser mic) 0.73 µV (10 mV/Pa)
Input noise (dynamic mic) 0.55 µV dB (measured ASA "A" loaded 220Ω) 2.8 mV/Pa
Signal-to-noise ratio >114 dB Line
Input level adj. range 45 dB Mic and from -6 to +24 dB Line
Input filters Fully programmable frequency and slope
Slate microphone Electret behind the front panel
Outputs
Analogue line output XLR 4.4V max (+15 dBm)
Digital output XLR AES-3 (24 bit or 16 bit dithered)
Headphones Stereo 6.3mm (¼”) Jack 50 Ω
Internal speaker 0.5W
Other
USB Port USB 2.0 OTG connector type "A/B"
Time code IN/OUT 5 pin LEMO (SMPTE / EBU)
M/S Decoder Switchable
External reference Word Clock, TC option, video and HDTV on BNC with TC Option.
Dither Menu selectable 24/16bits on Inputs and/or Outputs
General Dimensions 165 x 65 x 175mm (6½ x 2½ x 7”) (W x H x D) (Incl. battery box)
Weight 800g (1.76 lbs) (without battery box)
Power supply 8 X NiMh “AA”, Lithium-Polymer, or external dc
Power Consumption Approximately 5W
Charge time 5 hours (Lithium-Ion pack)
Relative humidity From 10% to 99% (non-condensing)
Operating temperature From -30°C to + 60°C (-22°F to 140°F)

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