Shure SM87A - SM87 A Specifications and Accessories; Technical Specifications; Accessories and Parts

4
100 Hz
500 Hz, 1000 Hz
3150 Hz
610000 Hz
192 mm (7 9/16 in.)
21 mm
(53/64 in.)
50.8 mm
(2 in.)
SPECIFICATIONS
CERTIFICATION
Eligible to bear CE Marking. Conforms to European EMC Directive 89/336/EEC.
Meets applicable tests and performance criteria in European Standard EN55103
(1996) parts 1 and 2, for residential (E1) and light industrial (E2) environments.
ACCESSORIES AND PARTS
Furnished Accessories
Swivel Stand Adapter A25D
Carrying/Storage Bag 95A2313
Optional Accessories
Phantom Power Supply PS1A
Shock Stopper™ Isolation Mount A55M
Shock Stopper™ Isolation Mount A55HM
Windscreen A85WS
TRIPLE-FLEX™ Cable and Plug 7.6 m (25 ft.) C25F
Replacement Parts
Screen and Grille Assembly RK214G
Cartridge R128
In-Line Preamplifier (1 piece) RPM626
Type Condenser (electret bias)
Frequency Response 50 to 20,000 Hz
Polar Pattern Supercardioid
Output Impedance
EIAratedat150Ω(100Ωactual)
Sensitivity
(at 1 kHz, open circuit voltage)
−52dBV/Pa(2.4mV)
1 Pascal=94 dB SPL
Maximum SPL
(1kHzat1%THD,1kΩload)
140 dB
Signal-to-Noise Ratio
(referenced at 94 dB SPL at
1 kHz)
70 dB
S/N ratio is difference between 94 dB SPL
and equivalent SPL of self noise, A-weighted
Dynamic Range
(at1kHz,1kΩload)
116.5 dB
Clipping Level
(1kHzat0.25%THD,1kΩload)
−6dBV(0.5V)
Self Noise
(typical, equivalent SPL,
A-weighted)
24 dB
Polarity Positive pressure on diaphragm produces
positive voltage on pin 2 with respect to pin 3
Weight Net: 0.20 kg (0.44 lbs)
Connector Three-pin professional audio (XLR), male
Case Aluminum construction with steel grille and
satin black finish
Power Requirements 11 to 52 Vdc phantom (1.2 mA)
98765432 98765432
+20
+10
0
–10
–20
dB
20 50 100 1000 10000 20000
Hz
1 cm
(3/8 in.)
60.6 mm
(2 ft.)