Akg PZM-185 Handleiding

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®

T

5.90"

(15.0 CM)

PRESSURE

ZONE

MICROPHONE

®

PZM185

he M185 is a Pressure ZPZone Micro-

phone ® for general-re pu posuse. Ideal for

a

pp

li

cations such as conferences, gr oup

discussi, intervieonsws, broadcast, home video

pr, lectures, and reoduconticordings. The mic

can be placed on a large rface h as susuca

table, floor, wall, or lectern.

The M185 is ered ePZpowither by an internal

AAA 1.5V battery or -48 12volt antom erphpow.

The boundary pa“ddle”can be detached so the

mic will t in fiyour pocket. Attached to the mic is

an 8-ft (2.-m) cable lding to a tlaoo438eaubur

power module.

The micreophon’s l-prole design reowduces

“

mic fritgh

”and minimis cluzetter. It is nearly

iisible on camera. The M185 minimizenvPZs

pick up of vibration and handling noise.

It

s elec

tret condenser capsule prides a wideov,

smooth frequency response from 50 Hz to

16 kHz . The mis hemisphec’ rical lar papottern

alls clr pickup of evere rring oweayonsuound

the micre. ophon

The M185 is protected agait staPZnstic and

RFI. The ouputt is balanced, low iedampnce,

which allowons lg cable rs wunithout hum

pickup or hi-egh frquency l. oss

Like other Pressure Zone Micres, thophone

PZM185 es a miniature mic capsuluse

mounted very near a sound-reflecting plate or

boundary in the Pressure Zone. In this zone,

d

ir

ect sound

from the sound source combines

Specifications

Element: Electret condenser.

F

re

qu

e

ncy response (typical): 50 Hz to 16 kHz

(see Fig. 1.)

Po

lar p

attern: Hemispherical (half-omni) on a large

surface.

Iedampnce: 150 ohms, balanced. commeRended load

iedampnce 1000 ohms.

Open circuit sensitivity (1.5V battery power):

0.V/Pa (8m–62 dB re 1 volt/Pa* ).

Power sensitivity (1.5V battery power): –59.5 dBm.

EIA sensitivity –154 dBm.

Open-circuit sensitivity (antom phpower):

3.2 mV/* (Pa–50 dB re 1V/). Pa

Power sensitivity (antom phpower): –47.5 dBm.

EIseA nsitivity –142 dBm.

E

qu

ivalent ise level (self-ise): nono21 dB SPL ticalyp,

A-weited (0 dB = .gh0002 dyne/cm2

).

S/N ratio: 73 dB at 94 dB SPL.

Maximum SPL: 120 dB SPL pres 3% distorti oducon

Optial aonccessories: A K G / C r o w n PH 4B phantom

power supply (4 channels, ACpowered).

A K G / C r o w n PH 1 A phantom power supply

(1

ch

annel, battery or AC powered).

* 1 pascal = 10 dynes/cm2

= 10 microbars = 94 dB SPL.

Fig. 1 Frequency Response

+15

+10

+5

dB 0

–5

–10

–15

–20

–25

–30

–35

in

ph

ase at all frequencies with reflected sound

o the ary. The benets are maboundny: 6 dB

mo

re se

nsitivity, 6 dB less noise, a wide smooth

fr

e

qu

ency response ee of ase interferefrphnce,

e

xc

ellent clarity and r,“each ”and consistent

pickup anywhere ard the microphone. oun

Operating Itinsuctrons

You can er the M185 epowPZither by -1248

volt antom er or baphpowttery er. To powuse

ph

antom

power, plug the mic connector into a

ph

antom

power supply or into a mic it thanput

prides ov12-48 volt phantom power.

To use battery power, open the cover

(see Fig. 3) and iert a A 1.5V bansAAttery.

Plse tthe rrect oeanoe corientation of the

battery.

If e ing the micre on a hard r- you’r us ophonsu

face, such as a table t, the opboundary “paddle”

is t necenossary. If e ing the mic on you’r usa

carpet or other sound-absorbing surface, attach

the boundary “paddle” for best results.

with phantom power.

Po

lity: ar

Positive pressure on the diaphragm produces

pos

itive

voltage on pin 2 with respect to pin 3 of the

ouputt connector.

Cable: 8 ft (2.oo438m), 2-conductor shielded, perma-

nen

tl

y attached. No other cable supplied; e 2- us

conductor ielded mic cable. sh

Out

pu

t connector: 3-pin XLR-te pypro audio connector.

Operating voltage: One 1.5-volt size AAA alkaline

ba

tt

ery (Duracell MN2400 or equivalent) or 12 to

48

V

ph

antom power (positive voltage on pins 2 and

3 with respect to pin 1).

B

atte

ry life: App oxrimately 45 days.

Current drain: 0.5 mA.

Materials: Hi-iact plasghmptic housing and steel

power module.

Fini: shSatin black.

Dimensonsi: See Fig. 2.

Weit: gh4 ounces (5 gra11ms).

Iled ancudccessories: 1.5V AAA battery.

20 0 1K 10Frequency in Hz

Fig. 2

3." 409

(8.7 CM)

3." 129

(7.9 CM)

." 732

(1.86 ) cm

1020K K

." 607

(1.5 ) cm

Product specificaties