Models SM48 and SM48S User Guide
MODELS SM48 AND SM48S
UNIDIRECTIONAL DYNAMIC MICROPHONES
Shure Models SM48 and SM48S unidirectional dynamic microphones are designed for professional sound reinforcement, studio recording, and broadcasting applications. They maintain a true cardioid pattern throughout their frequency range, ensuring high gain before feedback and rejection of
Both models include a shock mounted cartridge, a steel mesh grille, and an integral “pop” filter. The SM48S also includes a lockable On/ Off switch.
Each microphone is supplied with an adjustable stand adapter and a zippered carrying/storage bag. Cables are available separately.
FEATURES
•Cardioid pickup pattern rejects
•Frequency response tailored for vocals, with brightened mid- range and bass rolloff to control proximity effect
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•Supplied stand adapter and carrying/storage bag
•Lockable On/Off switch (SM48S only)
•Legendary Shure quality and ruggedness
VARIATIONS
SM48
SM48S (with lockable On/Off switch)
©2006, Shure Incorporated 27C2699 (Rev. 6)
SPECIFICATIONS
Type
Dynamic
Frequency Response
55 to 14,000 Hz (see Figure 1)
Polar Pattern
Cardioid (unidirectional) rotationally symmetrical about microphone axis, uniform with frequency (see Figure 2)
Impedance
Microphone rating impedance is 150 Ω (270 Ω actual) for connection to microphone inputs rated at 19 to 300 Ω
Output Level (at 1,000 Hz) |
|
Open Circuit Voltage: * |
*1 Pa = 94 dB SPL
Connector
XLR professional audio
Polarity
Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3. See Figure 3.
Dimensions
See Figure 4
Net Weight
370 grams (13.1 oz)
Packaged Weight
672 grams (1 lb, 8.5 oz)
CERTIFICATIONS
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.
FURNISHED ACCESSORIES
Swivel Adapter | A25D |
Carrying/Storage Bag | 26A13 |
OPTIONAL ACCESSORIES
Windscreen | A58WS |
Desk Stand | S37A, S39A |
Isolation Mount | A55M, A55HM |
Dual Mount | A26M |
7.6 m Cable (25 ft) | C25F |
REPLACEMENT PARTS
Cartridge | R136 |
Screen and Grille Assembly | RK248G |
Plug Assembly | RK40P |
On/Off Switch | RK81S |
LOCKING THE ON/OFF SWITCH (SM48S ONLY)
To lock the On/Off switch in On position, remove the screw from the lockplate and rotate the lockplate 180°. Then reinstall the screw.
For additional service or parts information, please contact the Shure Service Department at
Printed in U.S.A.
