Shure LensHopper VP83 Guide De L'utilisateur page 5

Specifications
Cartridge Type
Electret Condenser
Polar Pattern
Supercardioid/Lobar
Frequency Response
50 to 20,000 Hz
Output Impedance
171 Ω
Sensitivity
open circuit voltage, @ 1 kHz, typical
-36.5 dBV/Pa (14.9 mV)
[1]
Maximum SPL
1 kHz at 1% THD , 1000 Ω load
[2]
129 dB SPL
Signal-to-Noise Ratio
[3]
76.6 dB
Dynamic Range
@ 1 kHz, 1000 Ω load
111.6 dB
Clipping Level
@ 1 kHz, 1% THD, 1000 Ω load
-2.7 dBV
Self Noise
equivalent SPL, A-weighted, typical
17.4 dB SPL-A
Operating Temperature Range
-18°C (0°F) to 57°C (135°F)
Storage Temperature Range
-29°C (-20°F) to 74°C (165°F)
Operating Relative Humidity
0 to 95%
Housing
Cast aluminum
Power Requirements
1 AA battery (Alkaline, NiMH, Lithium)
Net Weight
133 g (4.7 oz.)
1 Pa=94 dB SPL
[1]
THD of microphone preamplifier when
[2]
applied input signal level is equivalent to
cartridge output at specified SPL
S/N ratio is the difference between 94
[3]
dB SPL and equivalent SPL of self noise,
A-weighted
Battery Life
AA Battery Type Typical Remaining Runtime (Hours)
New Battery
Alkaline 130
NiMH 108
Lithium 187
20
0.6 m (2 ft.) from sound source
15
10
5
0
-5
-10
-15
-20
-25
-30
20 100
250 Hz
500 Hz
1,000 Hz
After power LED turns red
13
2
½
5
1k
Hz
10k 20k
2,500 Hz
6,300 Hz
10,000 Hz