2-channel universal digital audio recorder
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The Nagra Seven is a two-channel universal digital audio recorder designed as a flexible device that is adaptable to a multitude of specific applications depending on the internal options installed.
The successor to the Nagra LB, ARES-C and the ARES-BB+ recorders, Nagra 7 is a 24-bit digital recorder offering sampling frequencies up to 192 kHz, and is equipped with AES 42 facilities for digital microphones. It records to a compact flash and 16 GB internal Micro SD memory. An external USB storage device may also be connected to the USB port using an adaptor interface cable. Both USB 2.0 and Ethernet connection are provided
The Nagra Seven recorder offers two analogue audio inputs and a single stereo digital input and a selection of internal optional circuit cards for further flexibility. These hardware options consist of 3G and Wifi, SMPTE/EBU time code or ISDN communication possibilities. In addition there are software options for internal audio editing and audio compression (MPEG).
Nagra Seven’s inputs are equipped with the company’s microphone pre-amplifiers for dynamic and phantom +48V microphones and offer a range of switchable sensitivities to accommodate all common microphones. The analogue LINE input will accept up to +24dB allowing it to be connected to a standard audio mixer in the field. The necessary 10V dc supply voltage on the AES input is equipped with a sample rate converter for use with AES-42 microphones.
The Nagra Seven’s full colour, sunlight readable touchscreen, provides greater flexibility in the display modes and screens, and eliminates the need for switches. If the optional editing option is installed, then graphic editing of the audio files is possible on the main display.
An optional internal time code board is another feature that works to provide all currently accepted frame rates including those for HD TV.
The Nagra Seven powered by a lithium-polxmer rechargeable battery pack, that will power the unit for about 8 hours.
Internal storage Micro SD Flash memory card
Recording Method Linear digital PCM, optional:MPEG 1 layer II
File type 16 / 24 bit Broadcast Wave File BWF (WAV)
Sampling Rate 44.1, 48 kHz, 88.2, 96, 176.4 and 192kHz
Recording capacity 1hr at 24 bit 48 kHz per GB of memory
Display Colour LCD touchscreen
Level meters On colour display
Digital input XLR 3-pole / AES 42
Analogue inputs 2 x XLR Microphone (Dynamic, +48V Phantom) / line
Frequency response Mic, 10Hz – 75 kHz (+0 – 3dB), Line 10 Hz – 90 kHz (+0 -1dB) (measured on AES out)
Signal-to-noise ratio >110 dB ASA “A”
Analogue line output XLR 4.4V max (+15 dBm)
Signal-to-noise ratio >100 dB
Digital output XLR AES-3 (24 bit or 16 bit)
Frequency response: 10 Hz – 75 kHz (+0-3dB)
165 x 175 x 65mm (6½ x 7 x 2½”) (W x D x H) (Incl. battery box)
Weight 800g (1.75 lbs) (Incl. battery pack)
Power supply External 15V