Shure BG4.1 mikrofón pre nástroje

SPECIFICATIONS Type
Condenser (electret bias)
Frequency Response
40 to 18,000 Hz (Figure 2)
Polar Pattern
Cardioid (unidirectional), symmetrical about axis
Output Impedance
600 Ω
Recommended Input Load Impedance
800 Ω minimumOutput Level (at 1,000 Hz)
OpenCircuitVoltage ...........-48.0dBV/Pa(4.0mV) 1 Pascal=94 dB SPL
Maximum SPL
2,000Ωload....... 131dB(phantom), 127dB(battery)
800Ωload ........ 129dB(phantom),126dB(battery)
Output Noise
20 dB typical, A weighted
24 dB typical, weighted per DIN 45 405Dynamic Range (maximum SPL, 2 kΩ load, to A-weighted noise level)
111 dB (phantom); 107 dB (battery)
Polarity
Positive pressure on diaphragm produces positive voltage
on pin 2 relative to pin 3 of microphone output connector
Power
PhantomSupplyVoltage ................... 11to52Vdc
CurrentDrain ............2.0mA max at 52Vdc
Reverse polarity protected to ...........100Vdc
BatteryRecommended . . . . . . . . . . . 1.5 V alkaline AA size
(NEDA 15A) Life . . . . . . . . . . . . . . . . . . . . . . . . up to 10,000 hours
Environmental Conditions
This microphone will operate over a temperature range of -29 to 57o C (-20 to 135o F), and at relative humidity of 0 to 95%.
Switch
Built in On/Off switch
Connector
3-pin male XLR connector designed to mate with Cannon XL series, Switchcraft A3 (Q.G.) series, or equivalent connector
Case
Steel and brass construction with black painted finish
Net Weight
250 g (8.8 oz) less battery