Instrukcja obsługi AKG MB-4
Przeczytaj poniżej 📖 instrukcję obsługi w języku polskim dla AKG MB-4 (2 stron) w kategorii mikrofon. Ta instrukcja była pomocna dla 22 osób i została oceniona przez 11.5 użytkowników na średnio 5.0 gwiazdek
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T
MB4
MINI-BOUNDARY
™
MICROPHONE
he AKG/Crown
®
MB4 a miniature is
boundary microphone for multi-miking
applications such as teleconferencing,
distance learning, boardrooms,
courtrooms, d security applications. an
Double-sided sticky tape is provided for
attaching the unit under shelves, on walls,
etc.
Thanks to its supercardioid pickup pattern,
the MB4 greatly reduces ambient noise
and pickup of room reverberation. The
result is a clearer sound.
The MB4 has a 15-foot attached cable
leading to an XLR-type output connector
with built-in mic electronics. It is powered
by 12-48V phantom power, and is low-
impedance balanced.
Features
•
Tiny, inconspicuous.
•
Can be used without putting holes in
the table.
•
Clean, clear, natural sound.
•
Low-Z balanced mic-level output prevents
hu anm d high-frequency loss.
Specifications
Type:
Phase Coherent rdioid.Ca
Element:
Electret condenser.
Frequency response (typical):
50 Hz 15,000 Hz to at
30 degrees incidence rface (see Fig. 1).to su
Polar pattern:
Half-super rdioid (super rdioid ca ca in
the hemisphe above re the primary boundary).
See
Figs. 2 and 3.
Impedance:
150 ohms, balanced (recommended
load impedance 1000 ohms or greater).
Open-circuit sensitivity (typical):
22 mV/Pa*
(–33
dB 1 volt/Pa).re
Power sensitivity:
–30.5 dB 1 mW/Pa*. re
EIA rating
–125 dBm.
Equivalent noise level (self-noise):
22 dB SPL
•
Removable grille assembly n be painted.ca
How to Paint e Microphoneth
1. Using a small screwdriver, pry open e sideon
of e base, then th the other side
2. Remove the foam liner.
3. Wearing a dust mask, spray-paint e grilleth
assembly. Be sure grille holes a re not clogged.
4. Allow completely dry.to
5. Make sure the D LE is properly aligned.
6. Carefully place the grille assembly over the
base, and snap in place.
Installation
1.
In a table, typical placement for each
mic is
an arm s length from e user. Install’th
one
microphone in front each person, oneof or
between every two people.
If e microphone will be used on ath
lectern,
install an open rface. Do notit on su
install a in
cavity recessed area as the frequency or
response d polar pattern will degraded.an be
2.
Orient the mic so the readable lable faces
the user (right-side-up).
3.
Plug a mic cable with a female XLR-type
connector into the power module. Connect the
other end of the cable to a phantom power
supply. Or if your mixer has phantom power,
connect the mic cable directly to a mic input
and turn on phantom power.
typical dB=0.0002 dyne/cm(0
2
), A-weighted.
S/N ratio:
72 dB at dB SPL.94
Maximum : SPL
120 dB L at THD.SP 3%
Polarity:
Positive (inward) pressure on the
diaphragm produces positive voltage on n 2pi
with respect n to pi 3.
Operating voltage:
Phantom power, -48 volts 12 DC
on pins 2 d 3 with respect n 1 output an to pi of
connector.
Current drain:
4 mA nominal.
Connector:
3-pin pro audio, XLR-M type.
Cable:
Permanently attached, black, 15-foot
(4.572 m), 2-conductor shielded cable from mic
to power module or interface. No other cable
supplied. Use two-conductor shielded mic cable
from power module to mixer.
Materials:
High-impact molded plastic d steelan
mesh mic grille stee power module., l
Finish:
Satin black.
Net weight:
2.7 ounces (78 grams).
Operating temperature range:
-10° to +50°C, or +14°
to +122°F.
Net weight:
Microphone: 0.7 ounces (19.8 grams)
Power module:
2.8 ounces (78.6 grams)
Dimensions :
See Fig. 4.
Included a essoriescc : Double-sided tape for
fastening under shelves, etc., for theatrical
applications.
Optional accessories :
PH1A phantom power
supply (1 channel, battery -adapteror DC
powered). 4A phantom power supply PH (4
channels, AC powered).
*1 pascal = 1 dynes/cm0
2
= 10 microbars = 94 dB SPL.
Fig. 1. Frequency Response
Fig. 2. Horizontal-Plane Polar Response
Fig. 3. Vertical-Plane Polar Response
Specyfikacje produktu
| Marka: | AKG |
| Kategoria: | mikrofon |
| Model: | MB-4 |
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