Nagra LB Brochure & Specs

2 channels
24-bit, up to 192 kHz
2 colour displays
USB 2.0 communication
Ethernet/Bluetooth
Pre-recording buffer
PCM linear or MPEG compressed (BWF files)
Internal flash and removable Compact Flash
Internal speaker
Built-in audio editor
technical
specifications
Recording
Internal storage 2 GB NAND flash memory
Removable media Compact Flash type II/III (hot swappable)
Disk format FAT 32
Recording method Linear digital PCM, MPEG 1 layer 2 or MP-3
File type 16/24-bit Broadcast Wave File BWF (WAV)
A/D & D/A conversion 24-bit Sigma-Delta
Tracks 2 individual
Sampling rate 44.1, 48, 88.2, 96 and 192 kHz
Recording capacity 1 hour per GB of disk/memory @ 24-bit 48 kHz
Pre-recording buffer Programmable (maximum 3 seconds)
Display Colour TFT
Level meters On colour display and by LED
Bit rate From 32 to 384 kbits/sec
Inputs
Digital inputs XLR 3-pole
Analogue inputs 2 XLR microphone (dynamic, +48V phantom)/line
Microphone input sensitivity 2 and 15 mV/Pa selectable
Limiters On microphone inputs
Line input sensitivity Adjustable from -6 up to +24 dBu for 0 dBFS recording
THD at 1 kHz Microphone <0.1%, line <0.01% (measured on AES out)
Frequency response Microphone 10Hz - 48 kHz ±0.5 dB, line ±0.2 dB (measured on AES out)
Signal-to-noise ratio >100 dB
Input level adjustment range Microphone -130 to -86 dBu, line from -6 to +24 dBu
Input filters LFA (with vortex filtering)
Internal microphone Electret on the front panel
Outputs
Analogue line output 2 XLR 4.4 V max (up to +15 dBu selectable)
Digital output XLR AES-3 (16 or 24-bit)
Headphones Stereo 6.3 mm (¼") jack 50 Ω
Internal speaker 0.2 W
Other
USB host USB 2.0 connector type "A"
USB device USB 2.0 connector type "B"
M/S decoder Switchable
Ethernet RJ 45
Audio editing On-board with graphic display
General
Dimensions 175 x 65 x 185 mm (W x H x D), including battery box
Weight 1.45 kg (3 lbs), including battery box
Power supply External 9-15V or 8x "AA" batteries
Power consumption Approximately 2 W (160 mA from 12V)
Charge time Approximately 3 hours (with NiMH cells)
Battery life Approximately 7 hours (with alkaline cells)
Relative humidity From 10 to 99% (non condensing)
Nagra is a division of the Kudelski Group, 1033 Cheseaux-sur-Lausanne, Switzerland, e-mail: audio_pro@nagra.com
NAGRA LB
Two-track dual display digital audio recorder
www.nagraaudio.com
of Switzerland