Nagra LB Brochure & Specs
Nagra is a division of the Kudelski Group, 1033 Cheseaux-sur-Lausanne, Switzerland, e-mail: audio_pro@nagra.com www.nagraaudio.com
Nag
ra is contin
ually impro
ving its products and technologies;
as a result, the abo
ve specifications ma
y be modified without notice
. / Desrochers Comm
unication / PRINTED IN SWITZERLAND 11.2009, P/N 2019004141
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 LB
of Switzerland
Two-track dual display digital audio recorder
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