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SPECIFICATIONS
Type
Dynamic
Frequency Response
85 to 14,000 Hz (see Figure 2)
Polar Pattern
Cardioid (unidirectional), symmetrical about axis
(see Figure 4)
Output Impedance
Microphone Rated impedance is 150 Ω (180 Ω actual)
for microphone inputs rated 75 to 300 Ω
Output Level (at 1,000 Hz)
Open Circuit Voltage* –76.5 dB (.15 mV). . . . . . . . .
Power Level** –55.5 dB. . . . . . . . . . . . . . . . . . . . . .
*0 dB = 1 V/µbar **0 dB = 1 mW/10 µbar
Polarity
Positive pressure on diaphragm produces positive
voltage on pin 2 relative to pin 3 of the microphone out-
put connector
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 Can-
non XL series, Switchcraft A3 (Q.G.) series, or equiva-
lent
Case
Die cast zinc handle, black matte finish,
dent-resistant wire- mesh steel ball grille
Dimensions
See Figure 5
Net Weight
290 g (10.2 oz)
Certification
Conforms to European Union directives, eligible to
bear CE marking; meets European Union EMC Immu-
nity Requirements (EN 50 082–1, 1992)
FURNISHED ACCESSORIES
Storage Bag 26A13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Break-Resistant Swivel Adapter (BG1.1 only) A25D. . . .
4.57 m (15 ft.) XLR to 1/4-in. cable
(BG1.1K only) C15HZ. . . . . . . . . . . . . . . . . . . . . . . . . . .
OPTIONAL ACCESSORIES
Shock Stopper
TM
Isolation Mount A55M. . . . . . . . . . . . . .
Windscreen (7 colors available) A58WS Series. . . . . . . .
7.6 m (25 ft) Cable (XLR to XLR) C25J. . . . . . . . . . . . . . .
REPLACEMENT PARTS
Dent-Resistant Grille Assembly RK349G. . . . . . . . . . . . .
Cartridge Assembly R186. . . . . . . . . . . . . . . . . . . . . . . . . .
The BG1.1 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 Ser-
vice Center.