Akg MB-4 Handleiding

Akg Microfoon MB-4

Lees hieronder de 📖 handleiding in het Nederlandse voor Akg MB-4 (2 pagina's) in de categorie Microfoon. Deze handleiding was nuttig voor 43 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld

Pagina 1/2
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
MB4
Fig.4
Architects and gineers Specications’En ’
T r shall the AKG/Crown he mic ophone be
model MB4 vale . T micr or equi nt he ophone
shall a be
half-super rdioid electret ca
condenser t e. T microphone shall eyp he us
the principle of phase co
herency achieved by
mounting a small-diameter
element very a near
bounda esry. This eliminat
comb ltering in the
audible spectrum.
T micr will exhibit excellent o-axishe ophone
response gain- fore-feedback. T MB4 and be he
shall h e a permanently attached -footav 15
(4.572 m) cable c ct to XLR-type c -onne ed an on
ne orct with built- electronics. Pin mic owering
shall by - p er. be 12 48V phantom ow
At e output cth onnector, nominal sensitivity shall
be 22 mV/Pa. Maximum shall SPL be 120 dB
SPL f D. E valent noise shall or 3% TH qui be 22
dBA nominal. Frequency response shall be 50
Hz to kHz with a form o-axis response,15 uni
about 20 dB down at the r nulls. ear
T AKG/Crown model MB4 specied.he is
W ranar ty
AKG/Crown professional microphones are
guaranteed
against malfunction f a period or
of ee rth years
fr d e original om at of
purchase. See enclosed
w ran sheet ar ty
f additional formation. or in
Ser cevi
If the microphone not function does
properly,
check that it is aimed c rec y or tl and
is connected
as described this dain ta
sheet. If there is hum
or na gno si l, rst
repair replace the cable.or
If you
determine that the microphone
product is defective, return the
complete product in its original
packaging to one of the addresses
below For further assistance or .
technical support call the international
helpdesk at +43 676 83200 888.
AKG ACOUSTICS GMBH LAXENBURGER STRASSE 254, 1230 VIENNA/AUSTRIA
AKG ACOUSTICS, U.S. SERVICE 24950 GROVE VIEW ROAD, MORENO VALLEY, CA U.S.A 92551,
© 2015 HARMAN International Industries, Incorporated. All rights reserved. is a trademark of AKG Acoustics GmbH, registered in the United AKG
States and/or other countries.
Features, specications and appearance are subject to change without notice.
www.akg.com

Product specificaties

Merk: Akg
Categorie: Microfoon
Model: MB-4

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