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Output Noise
20 dB typical, A weighted
24 dB typical, weighted per DIN 45 405
Dynamic 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
Phantom
Supply Voltage 11 to 52 Vdc. . . . . . . . . . . . . . . . . . .
Current Drain 2.0 mA max at 52 Vdc. . . . . . . . . . . .
Reverse polarity protected to 100 Vdc. . . . . . . . . . .
Battery
Recommended 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 57
o
C (–20 to 135
o
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
Dimensions
See Figure 4
Net Weight
250 g (8.8 oz) less battery
Certification
Eligible to bear CE Marking. Conforms to European EMC
Directive 89/336/EEC. Meets applicable tests and perfor-
mance criteria in European Standard EN55103 (1996) parts
1 and 2, for residential (E1) and light industrial (E2) environ-
ments.
FURNISHED ACCESSORIES
Swivel Adapter A25D. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Padded Carrying Case 26A16. . . . . . . . . . . . . . . . . . . . . . . . . .
OPTIONAL ACCESSORIES
Phantom Power Supply PS1A. . . . . . . . . . . . . . . . . . . . . . . . . .
Windscreen A3WS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.6 m (25 ft.) Cable C25J. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The BG4.1 is backed by the Shure 2-year warranty. For
service or parts information, please contact the Shure Service
department at 1–800–516–2525. Outside the United States,
please contact your authorized Shure Service Center.