Shure 515BSM User Guide
Model 515BSM User Guide
MODEL 515BSM
UNIDIRECTIONAL DYNAMIC MICROPHONE
The Shure Model 515BSM is a low-impedance, dynamic microphone designed for hand-held or fixed use. The unidirectional (cardioid) pickup pattern provides excellent reproduction of voice and effective rejection of feedback. The microphones are supplied with a push-to-talk switch and a four-conductor, retractable cable (2 shielded conductor).
These microphones are especially suitable for use in paging systems, public speaking, stage performance, and public address systems. They are also highly recommended for other applications requiring both hand-held and fixed installation operations. The microphones are wired with the microphone circuit normally open for use in parallel microphone installations.
Features
•Frequency response optimized for announcing, narration, and paging applications
•Cardioid pickup pattern: symmetrical about axis
•Neodymium magnet for high signal-to-noise ratio
•Shock-mounted cartridge for quiet operation and low stand/handling noise
•Tough diecast, locking grille and handle resist wear from constant use and handling
•Built-in push-to-talk switch controls both microphone circuit and relay or control circuit
♥2005, Shure Incorporated 27E3088 (Rev. 4)
SPECIFICATIONS
Type
Dynamic (moving coil)
Frequency Response
80 to 15,000 Hz (see Figure 1)
1 cm (3/8 in.)
.6 m (2 ft)
TYPICAL FREQUENCY RESPONSE
FIGURE 1
Polar Pattern
Cardioid (unidirectional). Effective rejection of sound at rear of microphone is uniform at all frequencies, while front pickup characteristics are uniform about axis (see Figure 2).
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180o |
150o |
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180o |
150o |
150o |
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150o |
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120o |
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120o |
120o |
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120o |
90o |
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90o |
90o |
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90o |
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–20 dB |
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–20 dB |
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–15 dB |
60o |
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–15 dB |
60o |
60o |
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–10 dB |
60o |
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–10 dB |
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–5 dB |
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–5 dB |
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30 |
o |
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30o |
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30 |
o |
30o |
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0 |
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0 |
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250 Hz |
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2500 Hz |
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500 Hz |
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6400 Hz |
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1000 Hz |
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10000 Hz |
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TYPICAL POLAR PATTERN
FIGURE 2
Impedance
150 Ω rated (180 Ω actual)
Output Level (at 1,000 Hz)
Open Circuit Voltage*: –57.0 dBV/Pa* (0.14 mV) *1 Pa=94 dB SPL
Printed in U.S.A.
Switch
Built-in, leaf-type, non-locking, push-to-talk
Shock Mount
Internal rubber vibration isolator
Cable
Highly durable, retractable cable with effective hum shielding, four conductors (two shielded), neoprene jacketed with 5-pin connector
Length: 330 mm (13 in.) retracted 1.83 m (6 ft) extended
Case
Silver finish die casting with black enamel diecast grille and stainless steel screen
Dimensions
See Figure 3
DIRECTION TO ACTUATE
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SWITCH |
CASE GROUND |
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RED |
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BLACK |
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CODED WIRE |
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CONNECTOR |
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PIN NUMBER |
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GREEN |
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P4 |
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P5 |
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SHIELD |
P1 |
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GREEN |
WHITE |
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P3 |
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CARTRIDGE |
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GREEN |
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P2 |
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6.5 in.
16.5 cm
0.85 in.
1.5 in. 2 cm
3.75 cm
OVERALL DIMENSIONS
FIGURE 3
Certification
Conforms to European Union directives, eligible to bear CE marking; meets European Union EMC Immunity Requirements (EN 50 082–1, 1992).
CONNECTIONS
These low-impedance microphones are designed for connection to microphone inputs rated at 75 to 300 ohms. Using balanced-line low-impedance cables permits very long cable lengths without affecting response or level. The GREEN and WHITE cable leads are the microphone conductors for balanced-line connections; the shield is connected to the amplifier ground.
For unbalanced operation, connect the WHITE lead to the shield, and use the GREEN lead as the microphone conductor.
The RED and BLACK cable leads are used to control an external relay or control circuit.
Refer to the following tables and to the wiring diagram in Figure 4.
INPUT TYPE |
WIRE |
FUNCTION |
XLR |
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COLOR |
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CONNECTOR |
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GREEN |
AUDIO |
PIN 2 |
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UNBALANCED |
WHITE |
AUDIO GROUND |
PIN 3 |
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SHIELD |
CHASSIS GROUND |
PIN 1 |
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GREEN |
AUDIO + |
PIN 2 |
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BALANCED |
WHITE |
AUDIO – |
PIN 3 |
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SHIELD |
CHASSIS GROUND |
PIN 1 |
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INTERNAL CONNECTIONS
FIGURE 4
MOUNTING
For non-handheld use, mount the 515BSM to a fixed pipe with a 5/8 in.–27 thread, screw a Shure A25C swivel adapter to the pipe, then insert the microphone in the adapter.
To mount the 515BSM to a wall or lectern, install a Shure A12B mounting flange, screw a Shure A25C swivel adapter to the mounting flange, then insert the microhpne in the adapter.
Net Weight
515BSM . . . . . . . . . . . . . . . . . . . . . . . . . 380 g (13.5 oz)
FURNISHED ACCESSORY
1.27 mm (.050 in.) Hex Wrench . . . . . . . . . . . . 80A67 Swivel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A25C Flange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A12B
REPLACEMENT PARTS
Cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R180 Grille Assembly . . . . . . . . . . . . . . . . . . . . . . . . RK334G Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90B4645 Windscreen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A1WS
For additional service or parts information, please contact Shure’s Service department at 1–800–516–2525. Outside the United States, please contact your authorized Shure Service Center.
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