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High quality solid-state audio recorder, the Nagra SD is designed initially for journalism, but can be used in any ultra-portable recording situation, and can replace MINIDISK©. Its recording media is a removable SD memory card, there is no limit to the card size allowed. It records PCM Mono or Stereo audio wav files or MPEG compression allowing for longer recording times (e.g. 278 hours on a 4 GB card 32 kbits/sec). The unit is powered by two “AA” batteries, offering in excess of 10 hours operation.
The Nagra SD accepts a range of Nagra-made extra high quality Mono (omni-directional / cardioid) and Stereo (cardioid) clip-on microphones and is also delivered with an external mono XLR microphone cable allowing an external dynamic microphone to be used. Designed for radio applications, the Nagra SD offers instant start-up, one button recording, automatic level control, internal loudspeaker and a low cut filter. A set of switches on the rear of the recorder give the user rapid access to several important functions without the need to enter the menus.
The Nagra SD has a miniature USB 2.0 port. Through this connection, the internal memory appears on the “desktop” as a mass storage device (external drive) of the PC / MAC and requires NO additional software or drivers. It can also be connected to the NAGRA LB for file editing and transfer operations in-the-field if desired.
|Data Storage medium||Extractable SD memory card|
|Recording Method||Digital (PCM) or Digital compression|
|Compression type||ISO MPEG Layer II / MPEG III|
|A/D & D/A conversion||24 Bit Sigma-Delta|
|Sampling Rate||24 to 96 kHz PCM and MPEG|
|Bit-Rates||32 to 384 kb/s|
|File Format||(.WAV) or (.MP2) / (.MP3)|
|Mic. Inputs||Miniature 3.5mm stereo Jack connector|
|Dynamic range adj.||40 dB for 0 dB recording|
|Mic powering||3V electret|
|Sensitivity||Min 1.5mV for electret capsules (full scale)Min 650µV for dynamic microphones(full scale)|
|Line Input||Miniature 3.5mm stereo Jack connector|
|Line Input Sensitivity||33mV – 6.2V for 0 dB FS recording|
|Headphone||Miniature 3.5 mm stereo Jack connector|
|Line Output||0.9V FS|
|Total dynamic range||80dB|
|THD + N at 1 kHz||0.025 % Max|
|Frequency response||30 Hz – 20 kHz (-3 dB in EE mode)|
|Total dynamic range||90 dB|
|Battery pack||2 x “AA” cells|
|Dimensions||107 x 68 x 24 mm (4.2 x 2 x 2.6″)(without external microphone)|
|Weight||250 g (0.5lb) including batteries(without microphone)|
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