Nagra Seven Portable Digital Recorder (2-Channel) with Internal I.S.D.N. Codec and Audio Compression (Wi-Fi/3G)

Nagra Seven Portable Digital Recorder (2-Channel) with Internal I.S.D.N. Codec and Audio Compression (Wi-Fi/3G)

Nagra Seven Portable Digital Recorder (2-Channel) with Internal I.S.D.N. Codec and Audio Compression (Wi-Fi/3G)

Nagra Seven Portable Digital Recorder (2-Channel) with Internal I.S.D.N. Codec and Audio Compression (Wi-Fi/3G)

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Options: ISDN Codec, Wi-Fi, and 3G

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Nagra W3 overview

  • 1Description

The Nagra Seven Digital Recorder from Nagra is a 2-channel portable recorder. It offers two analog audio inputs and a single stereo digital input. The recorder records in PCM linear audio at sampling frequencies up to 192 kHz. With addition of the compression option on this version, it can also record in MPEG-1 layer II compressed audio formats. The inputs are equipped with traditional Nagra microphone preamplifiers for dynamic and phantom 48V microphones and offer a range of switchable sensitivities to accommodate all common microphones. AES-42 microphones can also be used, as the recorder can supply the necessary 10 VDC supply voltage on the AES input. The analog LINE input accepts up to 24 dB signal, allowing it to be connected to a standard audio mixer in the field.

The Nagra Seven comes equipped with a color touchscreen display mounted on the front. The audio levels, current operating mode, and status of the recorder are shown on it. The screen is bright enough to allow you to read it in sunlight and gives you access to the entire menu structure of the recorder. Thanks to various programmable shortcuts, you can personalize the display.

The Nagra Seven is also equipped with an internal 16GB microSD flash memory which can be increased if desired. The main extractable media is an SD memory card which inserts into the slot on the left side of the recorder. A micro-AB USB port allows the unit to be connected to a computer for file transfer. With an interface adapter, the same port can also be used to connect an external device such as a USB memory stick or computer keyboard for data entry.

Audio Compression
This version of the Nagra Seven features the compression option which supports the MPEG-1 layer II compressed audio format.
Start/Stop Commands
A 3.5mm miniature jack socket is fitted for remote fader start/stop commands. This allows the unit to be remotely controlled by a simple switch closure.
The Nagra Seven comes with a detachable battery box, into which eight rechargeable AA cells can be installed. If phantom powering or transmission options such as Wi-Fi or 3G are used the battery life will be reduced. An optional lithium-polymer rechargeable battery pack that will power the unit for about 8 hours is also available.
Other Features
  • Internal sample rate converter
  • Built-in channel matrix and M/S decoder
  • Post-production full iXML metadata compatible (BWF files)
  • Internal loudspeaker and headphone output
  • Ethernet (Ftp and VoIP)
  • Wi-Fi / 3G enabled (Ftp and VoIP)
  • Lightweight and battery operated
In the Box
Nagra Seven Portable Digital Recorder (2-Channel) with Internal I.S.D.N. Codec and Audio Compression (Wi-Fi/3G)
  • Battery Box
  • Power Supply
  • Wi-Fi Antenna
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description

    Nagra W3 specs

    Digital Input XLR 3-pole / AES 42
    Analog Inputs 2 x XLR Microphone (Dynamic, 48 V Phantom) / line
    Mic. Input Sensitivity 2.8, 10, and 40 mV/Pa selectable
    Mic Input Noise (E.I.N.) Uin < 1 µV (2.8 and 10 mV/Pa) @ 220 Ohms
    Uin < 1.6 µV (40 mV/Pa)
    Limiter On microphone inputs
    Line Input Sensitivity Adjustable from -6 dBm up to 24 dBm for 0 dBFS recording
    THD @1 kHz:
    2.8 mV Mic < 0.2%, 10 mV Mic < 0.1%, line < 0.1% (measured on AES out)
    Frequency Response Mic: 10 Hz to 75 kHz (0 to 3 dB)
    Line: 10 Hz to 90 kHz (0 to 1 dB) (measured on AES out)
    Signal-to-Noise Ratio Up to 110 dB ASA A
    Input Level Adjustment 42 dB mic and from -6 to 24 dB line
    Input Filters LFA
    Internal Microphone On the front panel
    Crosstalk Mic: >70 dB
    Line: >110 dB
    Analog XLR 4.4 V max (15 dBm)
    Crosstalk >110 dB
    Signal-to-Noise Ratio >100 dB
    Digital Output XLR AES-3 (24- or 16-bit)
    THD+N <0.004%
    Frequency Response 10 Hz to 75 kHz (0 to 3 dB)
    Headphones Stereo 1/4" / 6.3 mm jack, 50 Ohms
    Internal Speaker 0.3 W
    Internal Storage microSD memory card
    Removable Media SD flash memory card
    Disk Format FAT 16 / 32
    Recording Method Linear digital PCM
    MPEG 1 layer II
    File Type 16 / 24-bit Broadcast Wave File BWF (WAV)
    Converter A/D & D/A:
    24-bit Sigma Delta
    Bit Rates 32 kb/s up to 384 kb/s
    Tracks 2 individual
    Sampling Rate 44.1, 48 kHz
    88.2, 96, 176.4, and 192 kHz
    Recording Capacity 1 hour at 24-bit 48 kHz per GB of memory
    Buffer Programmable pre-recording
    Display Color LCD touchscreen
    Level Meters On color display
    USB Micro AB connector
    Decoder Switchable M/S decoder
    Ethernet RJ45
    Power Supply External 15 V
    Power Consumption Approximately 5 W
    Battery Life Up to 5 hours
    Charge Time Approximately 3 hours
    Relative Humidity 10 to 99% (non-condensing)
    Dimensions 6.5 x 6.9 x 2.6" / 16.5 x 17.5 x 6.5 cm including battery pack
    Weight 1.75 lb / 0.8 kg
    Packaging Infovqffyxddcevtburcsz
    Package Weight 3.85 lb
    Box Dimensions (LxWxH) 14.2 x 10.1 x 3.8"

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