Audio-Technica MT838IIa Bruksanvisning

Audio-Technica mikrofon MT838IIa

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SUBMINIATURE OMNIDIRECTIONAL CONDENSER CLIP-ON MICROPHONE

- Maximum intelligibility and clean, accurate reproduction for lecturers,

stage and television talent, and worship leaders.

- Low-prole design is ideal for applications requiring minimum visibility.

- Includes a wire clothing clip and a metal-frame pop lter.

- MT838IIa is switchable for low-frequency roll-off reduces sensitivity to

popping in close vocal use.

- MT838IIa can be operated on battery or phantom power.

- MT838IIcW is terminated for use with all Audio-Technica UniPak™

wireless systems.

The MT838IIa / MT838IIcW is worn on the clothing of performers

for excellent yet unobtrusive sound pickup. Its small size makes the

microphone ideal for use in applications where minimum visibility

is required. Clo se-up voice pickup i s crisp and cle an, and t he

omnidirectional polar pattern of the microphone assures nearly equal

sound pickup from every direction across a wide band frequencies.

The included clothing clip and metal-frame pop filter are removable.

When using the MT838IIa / MT838IIcW in extremely close situations, slip

the included metal-frame pop lter over the mic to reduce wind noise or

“poping”.

MT838IIa

Includes a power module AT8531 that requires 11V to 52V DC phantom

power, or a 1.5V AA battery for operation. A battery need not be in place

for phantom power operation.

An integral 80Hz high-pass filter provides easy switching from a flat

frequency response to a low-end roll-off. The roll-off position reduces

the pickup of low-frequency ambient noise (such as trafc, air-handling

systems, etc.), room reverberation and mechanically coupled vibrations.

Output from the power module’s XLRM-type connector is low impedance

(Lo-Z) balanced. The signal appears across Pins 2 and 3; Pin 1 is ground

(shield). Output phase is “Pin 2 hot” - positive acoustic pressure produces

positive voltage at Pin 2. To avoid phase cancellation and poor sound, all

mic cables must be wired consistently: Pin 1-to-Pin 1, etc.

MT838IIcW

Less power module and includes clothing clip and metal-frame pop lter

only. 1.8 m cable terminated with locking 4-pin connector for Audio-

Technica UniPak™ body-pack wireless transmitters.

Avoid leaving the microphone in the open sun or in areas where

temperatures exceed 40°C for extended periods. Extremely high humidity

should also be avoided.

FORM No. ATGC-L0074-07-E

Machida • Tokyo • Japan

SPECIFICATIONS

ELEMENT Fixed-change back plate permanently

polarized condenser

POLAR PATTERN Omnidirectional

FREQUENCY RESPONSE 20-18,000 Hz

OPEN CIRCUIT SENSITIVITY -62 dB (0.79 mV) re 1V at 1 Pa (capsule)

IMPEDANCE 1800 ohms (capsule)

OPERATING VOLTAGE 1.5 -10V DC (capsule)

LOW FREQUENCY ROLL-OFF 80 Hz, 12 dB/octave (MT838IIa)

PHANTOM POWER REQUIREMENTS 11-52V DC, 2 mA typical (MT838IIa)

BATTERY TYPE 1.5V AA (MT838IIa)

BATTERY CURRENT / LIFE 2.0 mA / 1200 hours (MT838IIa)

SWITCHES (MT838IIa)Flat, roll-off

WEIGHT (less cable and accessories)

MICROPHONE

POWER MODULE (AT8531)

7.7 g

81.2 g

DIMENSIONS

MICROPHONE

POWER MODULE (AT8531)

21.5 mm - long,

6.5 mm - diameter

83.0 mm - H x 63.0 mm - W x

22.0 mm - D

OUTPUT CONNECTOR

MT838IIa (AT8531)

MT838IIcW

Integral 3-pin XLRM-type

locking 4-pin connector for UniPak™

CABLE 1.8 m long (permanently attached to

microphone), 2 mm diameter

ACCESSORIES FURNISHED Wire clothing clip;

metal-frame pop lter;

protective pouch.

AT8531 power module (MT838IIa)

10 dB

20k10k5k2k1k50020010050

8 kHz

200 Hz

1 kHz

5 kHz

0°

330°

300°

270°

240°

210°

180°

150°

120°

90°

60°

30°

Polar Pattern

Frequency Response

SCALE IS 5 DECIBELS PER DIVISION

LEGEND

Frequency in Hertz

LEGEND 12” or more on axis

Response in dB

Roll-off (MT838IIa)

same as 1 kHz

Produktspecifikationer

Varumärke:	Audio-Technica
Kategori:	mikrofon
Modell:	MT838IIa
Enhetsplacering:	Ingebouwd
Typ av operation:	Draaiknop
Färg på produkten:	Black, Stainless steel
Dörrgångjärn:	Neer
Inbyggd display:	Ja
Vikt:	39800 g
Bredd:	595 mm
Djup:	546 mm
Höjd:	597 mm
Nettoskatt:	3400 W
Uppvärmningsfunktion:	Ja
Grill:	Ja
Sladdlängd:	1.5 m
Energie-efficiëntieklasse:	A+
Förpackningens vikt:	45000 g
Förpackningens bredd:	660 mm
Djuppackning:	700 mm
Förpackningshöjd:	700 mm
Belysning inuti:	Ja
Typ av klocka:	Elektronisch
Konvektionsmatlagning:	Ja
Ångkokning:	Nee
Håll varm funktion:	Ja
Total inomhuskapacitet (ugnar):	73 l
Antal ugnar:	1
Lätt att städa:	Ja
Kontrollposition:	Voorkant
Installationsfackets bredd:	560 mm
Installationsfack djup:	550 mm
Installationsfack höjd:	590 mm
Nuvarande:	16 A
Material genom:	Glass, Stainless steel
Energiförbrukning (konventionell):	0.94 kWu
Energiförbrukning (tvungen konvektion):	0.7 kWu
Att laga:	Ja
Ugnsstorlek:	Middelmaat
Typ av ugn:	Elektrische oven
Total ugnseffekt:	3400 W
Ugn med nettokapacitet:	73 l
Magnetronbereiding:	Nee
Över- och undervärme:	Ja
Bakplåtsmått:	Ja
Självrengörande:	Ja
Undervärmning:	Ja
Övervärme:	Ja
Kylskåpsdörr:	Ja
Dörrkylningsfläkt:	Ja
Avtagbart dörrglas:	Ja
Mjukstängande dörr:	Ja
Skriv timer:	Digitaal
Fingeravtrycksresistent:	Ja
Antal hyllor:	2 schappen
Belysningsplats:	Dubbelzijdig
Bottenvärme + konvektion (single mode):	Ja
Teleskopstyrning ingår:	Ja
Rengöringsteknik:	AquaClean
Inklusive grillställ:	Ja
Uppvärmning av hela grillytan:	Ja
Eco läge:	Ja
Ventilationsgaller funktion:	Ja
Stekfunktion:	Ja
Typ av strömanslutning:	Stekker
Material på handtaget:	Metaal
Kontrollpanelmaterial:	Metaal
AC-ingångsspänning:	220 - 240 V
AC-ingångsfrekvens:	50 - 60 Hz
Type beeldscherm:	TFT
Energieffektivitetsskala:	A+++ tot D
Grillplatta:	Ja
Ugnsavfrostningsfunktion:	Ja