纳格拉NAGRA SD 手持专业录音机

Ｍr．Ｚ

NAGRA SD 性能指标
Technical Specifications
General
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
Mono/Stereo	Switchable
File  Format	(.WAV) or (.MP2) / (.MP3)
Inputs
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
Outputs
Headphone	Miniature 3.5 mm stereo  Jack connector
Line  Output	0.9V FS
Total  dynamic range	80dB
Built-in  speaker	0.1W
USB	2
Recorded  file
THD + N  at 1 kHz	0.025 % Max
Frequency  response	30 Hz – 20 kHz (-3 dB in  EE mode)
Total  dynamic range	90 dB
Power  supply
Battery  pack	2 x “AA” cells
Autonomy	>10 hours
Physical
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