Countryman A3 Podium Manual
Countryman
Mikrofon
A3 Podium
Læs nedenfor 📖 manual på dansk for Countryman A3 Podium (2 sider) i kategorien Mikrofon. Denne guide var nyttig for 11 personer og blev bedømt med 4.4 stjerner i gennemsnit af 6 brugere
Side 1/2
Each A3 Podium Microphone starts with dual precision-crafted capsules,
exhaustively tested for perfect sonic performance. Assembled and fine-
tuned to optimize polar patterns and frequency response, the result is an
uncompromising microphone for the most demanding environments.
COUNTRYMAN ASSOCIATES INC
A3 PODIUM MICROPHONE
Fixed or Switchable Patterns:
Choose hand-tuned omni, cardioid,
or hypercardioid patterns, or the
three-in-one switchable A3S.
Active Plus Vibration Cancellation:
The unique dual cartridge design,
together with integrated damping,
cancels thumps and handling noise.
Precision Acoustics:
Each dual-capsule A3 is individually fine-
tuned for exceptional clarity, low noise,
and high overload without distortion.
Breath and Pop Reduction: A
unique multistage wind noise reduction
approach acoustically and electrically
tames pops and breath noise.
Frequency Response:
Omnidirectional: 60 Hz to 18 kHz
Directional: 70 Hz to 16 kHz
Sensitivity:
-35 dBV/Pa (17.7 mV/Pa) at 1kHz
Maximum SPL:
130 dB SPL (A-Weighted) at 1% THD
133 dB SPL (A-Weighted) at 5% THD
Equivalent Input Noise (Pressure Mode):
14 dB SPL (A-Weighted)
Output Impedance:
200 Ω
Current Drain:
6.2 mA
Frequency Response
20 50 100 500 1k 5k 10k
20 kHz200 2k
0
dB
+10
-20
-10
OMNI
CARDIOID, HYPERCARDIOID
measured at 6 inches
Polar Response
omnidirectional
300°
0°
330°
60°
30°
90°
120°
150°
240°
180°
210°
270°
dB
-10
-20
0
500 Hz
10 kHz
1 kHz
cardioid hypercardioid
300°
0°
330°
60°
30°
90°
120°
150°
240°
180°
210°
270°
300°
0°
330°
60°
30°
90°
120°
150°
240°
180°
210°
270°
dB
-10
-20
0
dB
-10
-20
0
Supplied with case and windsceen.
Optional mounting accessories available.
Ultra Configurable: Available in
fixed or switchable patterns and
three standard lengths, an A3
Podium Microphone is ready for your
application.
RF Immunity: Rigorous shielding
and circuit design protect the A3
from radio frequency interference,
including wireless devices and cell
phones.
Countryman Associates, Inc. 195 Constitution Drive, Menlo Park, CA 94025 US: (800) 669-1422 Intl: 650-364-9988 F: (650) 364-2794
sales@countryman.com For more information and warranty registration visit www.countryman.com Made in the United States.
How should I position the A3 for best coverage?
Choosing the right position depends on the microphone pickup pattern and subject
position. The A3 Podium Microphone is available with precision omnidirectional, cardioid, or
hypercardioid patterns, or in a selectable pattern version allowing the microphone to switch
patterns instantly. In all cases, the ideal distance from microphone to subject is about 12
inches (30 cm), positioned at chest level, pointing toward the face.This location eliminates
pops and other breath noises, doesn’t interfere with sight lines, and accommodates both
normal conversational levels and presenters who prefer to project to the crowd.
A3 Podium: Frequently Asked Questions
How should I mount the A3 to a desk or podium?
The Countryman A4CDM Desk Mount consists of a Neutrik connector module and a metal
bushing that can be mounted through a table top or podium surface. It both supports and
connects the mic, and provides an attractive, unobtrusive mount with a very small footprint.
This kind of mounting is practical only because of the A3’s Active Vibration Plus shock
isolation—other podium microphones require bulky shock mounts to avoid table vibration
noises.
Mounting the A4CDM requires drilling the table surface and soldering to the connector
module, and is recommended for permanent installations only. The mic itself is held in place
by the XLR connector’s latch and can be removed easily for storage.
Hypercardioid
The A3 Podium’s extremely accurate hypercardioid pattern picks up approximately a
90° cone extending from the tip of the microphone, allowing the presenter to move
around or share the podium with a second person. This pattern also has the most
rejection of ambient noise and feedback and is the most popular fixed pattern option.
Cardioid
The cardoid pattern has a pickup angle of about 130°, which is well-suited to groups
or moving subjects. This pattern has the most rejection to the rear of the microphone,
making it useful for taming feedback from nearby floor monitors.
Omnidirectional
The omnidirectional pattern picks up equally from all directions, making it ideal for a group
around a table or picking up the ambient sound of an ensemble or space. This pattern can’t
reject interfering sources and is not suitable for environments where feedback is an issue.
Selectable
Selectable pattern A3 Podium Microphones have a switch at the base allowing the
microphone to change instantly between any of the above patterns, making it the most
versatile choice.
XLR3 connection
1/8” pipe nipple or
“lamp pipe” bushing.
Can be any length;
one inch is normally
supplied for table
surfaces 3/4” or less
in thickness. Drill 7/16”
hole.
Produkt Specifikationer
| Mærke: | Countryman |
| Kategori: | Mikrofon |
| Model: | A3 Podium |
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