Shure 14A Headphones User Manual


 
TO REDUCE FEEDBACK,
AIM MIC WITH CARDIOID
POLAR PATTERN
(SHADED)
AWAY FROM
LOUDSPEAKERS
[1]
MICROPHONE PICKUP
PATTERN (CARDIOID)
AMPLIFIER
DO NOT OBSTRUCT GRILLE
WITH YOUR HAND
[2]
PICKUP (POLAR) PATTERNS
[4]
150
o
120
o
150
o
120
o
180
o
30
o
60
o
90
o
30
o
60
o
90
o
0
5000 Hz
1000 Hz
500 Hz
–5 dB
–10 dB
–15 dB
–20 dB
TYPICAL FREQUENCY RESPONSE
[3]
60 CM (2 FT)
DESCRIPTION
The 14A microphone can be used for karaoke, in sound reinforcement
or recording, to pick up voices or instruments, indoors or outdoors.
Features
Tailored frequency response provides vocal intelligibility and crispness
Neodymium magnet for high signal-to-noise ratio
Shock mount reduces handling noise
Cardioid (unidirectional) pickup pattern suppresses feedback
Locking On/Off switch
BASIC RULES FOR MICROPHONE USE
1. Aim a directional microphone toward the desired sound source (for
instance, talker, singer, musical instrument) and away from undesired
sources (such as loudspeakers or another instrument) [Figure 1].
2. Locate the microphone as close as practical to the desired sound source.
3. Do not pick up the same sound source with more than one microphone.
Keep the distance between multiple microphones at least three times the
distance from each source to its intended microphone.
4. Use the fewest microphones practical for the particular application.
5. When extra bass response is desirable, work close to the microphone.
This phenomenon is known as “proximity effect”.
6. Locate microphones as far as possible from acoustically reflective (hard,
smooth) surfaces.
7. Add an external windscreen when additional pop protection is needed:
outdoors in windy conditions or for closeup vocal use.
8. Avoid excessively handling the microphone to minimize mechanical
noise pickup.
9. To preserve directional characteristics, do not obstruct the grille with your
hand [Figure 2].
SPECIFICATIONS
Type
Dynamic
Frequency Response
80 to 14,000 Hz (see [3])
Pickup (Polar) Pattern
Cardioid (unidirectional) (see [4])
Impedance (Z)
Low, rated 150 (actual 180 )
Output Level (at 1 kHz)
Open Circuit Voltage: –56.0 dBV/Pa* (0.16 mV)
*1 Pa = 94 dB SPL
Polarity
Positive pressure on diaphragm produces positive voltage on pin 2 with
respect to pin 3.
Connector
Three-pin professional audio connector (male XLR)
Switch
Built–in locking On/Off switch, with lockplate. To lock switch On, loosen
screw, push lockplate forward, then tighten screw.
Weight
255 g (9 oz)
Certifications
Conforms to European Union directives, eligible to bear CE marking; meets
European Union EMC Immunity Requirements (EN 50082–1: 1992).
VARIATIONS
14A Microphone Only. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14AM Swivel Adapter, Storage Bag. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14AK Storage Bag, Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OPTIONAL ACCESSORIES
4.5 m (15 ft.) Cable (XLR-
1
/
4
in.) C15HZ. . . . . . . . . . . . . . . . . . . . . . . . . .
6.1 m (20 ft.) Cable (XLR-
1
/
4
in.) C20HZ. . . . . . . . . . . . . . . . . . . . . . . . . .
7.6 m (25 ft) Cable (XLR-XLR) C25J. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windscreen (7 colors available) A58WS Series. . . . . . . . . . . . . . . . . . .
REPLACEMENT PARTS
Cartridge R197. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Grille Assembly RK341G. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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.
DESCRIPTION
Le microphone modèle 14A peut être utilisé pour le karaoké, la sonorisation
ou l’enregistrement de voix ou d’instruments, à l’intérieur ou à l’extérieur.
Model 14A User Guide
27B3095 (AB)
2001, Shure Incorporated
Printed in Mexico