General Description; Accessories And Parts - Shure SM94 Manual De Usuario

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SM94

General Description

The Model SM94 is a unidirectional electret condenser microphone tailored to the
instrument miking needs of professional musicians and sound engineers in both
live performance and sound recording. Its smooth, flat frequency response is free of
either a "presence peak" or a low-frequency rolloff, making it a perfect choice for all
types of musical instruments. The SM94 is equally at home in sound reinforcement
systems or in sound studios and motion picture/TV scoring stages. When used with
the optional windscreen, the SM94 can be used by vocalists and speechmakers
who desire a wide, flat response with minimum coloration. The SM94 can be pow-
ered by any phantom power source, or by an internal 1.5-volt AA battery. The bat-
tery, which serves as a backup power source in the event of phantom power failure,
can provide up to 5,000 hours of continuous operation. The SM94 is supplied with a
swivel adapter for use on a microphone stand, boom or gooseneck, and a zippered
vinyl storage bag. Model SM94-LC is supplied without a cable. Accessories include
a foam windscreen (A3WS), two-channel phantom power supply (PS1A), and 7.6 m
(25 ft.) microphone cable (C25J).

ACCESSORIES AND PARTS

Furnished Accessories
Swivel Stand Adapter
Carrying/Storage Bag
Optional Accessories
Switch-Selectable Attenuator
Isolation Mount
Windscreen
7.6 m (25 ft.) Cable (XLR-XLR)
CERTIFICATION
Eligible to bear CE Marking. Conforms to European EMC Directive 2004/108/EC.
Meets Harmonized Standards EN55103-1:1996 and EN55103-2:1996, for residen-
tial (E1) and light industrial (E2) environments.
The Declaration of Conformity can be obtained from:
Authorized European representative:
Shure Europe GmbH
Headquarters Europe, Middle East & Africa
Department: EMEA Approval
Wannenacker Str. 28
D-74078 Heilbronn, Germany
Phone: +49 7131 72 14 0
Fax: +49 7131 72 14 14
Email: EMEAsupport@shure.de
4
SPECIFICATIONS
Type
Frequency Response
Polar Pattern
Output Impedance
Sensitivity
(at 1 kHz, open circuit
voltage)
Maximum SPL
(1 kHz at 1% THD, 1kΩ
load)
Signal-to-Noise Ratio
(referenced at 94 dB
SPL at 1 kHz)
Dynamic Range
(at 1 kHz, 1 kΩ load)
Clipping Level
(1 kHz at 0.25% THD,
A25D
1kΩ load)
95A2313
Hum Pickup
(typical, at 60 Hz, equiv-
alent SPL/mOe)
Polarity
A15AS
A53M
Weight
A3WS
C25J
Connector
Case
Environmental
Conditions
Power Requirements
Battery Life
Electret Condenser
40 to 16,000 Hz
Cardioid
EIA rated at 150Ω (200Ω actual)
−49 dBV_per_Pa (3.5 mV) (phantom)
−50 dBV_per_Pa (3.2 mV) (battery)
1 Pascal=94 dB SPL
141 dB (phantom)
123 dB (battery)
72 dB
S/N ratio is difference between 94 dB SPL and equivalent
SPL of self noise, A-weighted
119 dB (phantom)
101 dB (battery)
−14 dBV (0.63 mV) (phantom)
−23 dBV (0.71 mV) (battery)
−3 dB
Positive pressure on diaphragm produces positive
voltage on pin 2 with respect to pin 3
Net: 0.250 kg (0.55 lbs)
Packaged: 0.949 kg (2.5 lbs)
Three-pin professional audio (XLR), male
Steel and brass construction with gray finish and
stainless steel mesh grille
Operating Temperature: −6.7° to 49° C (20° to
120° F)
Storage Temperature: −29° to 74° C (−20° to
165° F)
Relative Humidity: 0 to 95%
11 to 52 Vdc (1.2 mA) (phantom)
1.5 V AA (battery)
up to 5000 hours (alkaline)

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