Akg PZM-11 Handleiding

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®

T

PRESSUREZONE

MICROPHONE

®

PZM11 (LL)

he A K G / C r o w n M11 is a Pressure PZ

Zone Microphone

® desied for gn

se

cu

rity, rveillasunce, and conference-

rm aoopplications. It can be mounted in

the ceiling or wall in a standard

electrical et . Priding eoutlboxovxcellent

intelligibility, the M11 is desiePZgnd to lk oo

li

ke

something other than a microphone so as

not to draw attention.

Like other Pressure Zone Microphones, the

PZM11 utilizes the Pressure rding Pro- Reco

cess™ in ich a miniature condewhnser

microphone capsule is mounted very cle toso

a sound-reflecting plate or boundary. The cap-

sule is mounted in the Pre“ssure Zone”just

above the boundary, a region where sound

coming directly from the sound source m- co

bines in-ase wphith d resounflected o the

boundary. The benets are a wide, smooth fre-

qu

e

ncy response free of phase interference,

e

xc

ellent clarity and r,“each ” and consistent

pip anywhere around the microphone. cku

In the MPZ11, low efrquencies below the

vo

ice ra

nge are rolled o to reduce pip of cku

Specications

T

yp

e: Pressure Zone Micre. ophon

Element: Elecet condetrnser.

F

re

qu

ency response (ticaypl): 80 Hz to ,20000 Hz.

See Fig. 1.

Polar pattern: Hemispherical.

Iedance: mp225 ohms, balanced. Recommended

minimum load iedampnce 1000 ohms.

Open circuit sensitivity: 5 mV/* (Pa–46 dBVPa/).

Power sensitivity: –45.5 dBm/* Pa

Fig. 1

air-conditioning rble. The hi-freumghquency

response is boosted slightly to aid clarity and

artilacution.

The microphone connector is a row of rescw

terminals for sy itaeansllation. The tt ioupus

balanced, low iedampnce, which allows

lg cable rs whout m pickup oonunithur

hi-eghfrquency loss. Powering is via 12 to

48 volts phantom power.

Itans llation

1. Plse refer to Fig. 3 and late all the paeaocrts

shown.

2. Run a 2-conductor ielded microphonshe

cable to the ceiling or wall hole where you in-

tend to itall the microphone. Itall a stan- nsns

dard electrical et x in the outlbohole.

3. Run the mic cable thrh the oughole in the

electrical x and through the le in thbohoe

chassis.

4. rvice the end of the mic cable. Se

5.

A

ttach the lds to the eascrew terminals.

Connect the cable shield to 1, light-lorecod

ld to 2, and darker ld to 3. eaea

6. Place the chassis over the two lg onscrews.

Using the nuts prided, seovcure the chassis to

the faceplate.

EIA rating:–9 dBm. 13

E

qu

ivalent ise level (self-ise): nono26 dB SPL

tical (0 dB = .0002 dyne/cmyp2), A-weited. gh

S/N Ratio: 68 dB at 94 dB SPL.

Maxim muSPL: 120 dB SPL produces 3% THD.

Outt connector: puThree screw terminals.

1 = ground, 2 = audhoio (t), 3 = audio (return).

Polity: arPositive pressure on the diaphragm

pres a positive oducvoltage on rew terminal sc2

w

it

h respecto t screw terminal 3.

Operating volge: taStandard antom power, 12 tpho

48 volts DC on rew terminals 2 and 3 wscith

respect to screw terminal 1.

Cu

rre

nt drain: 400 microamperes.

Materials: Stl plate and hi-iact plaseeghmptic

capsule holder.

Finish: Off-e. whit

Net weit: gh2.5 oz. (71 g).

Dimensions: See Fig.2.

Optial aonccessories: A K G / C r o w n PH1A

phantom power supply (1 channel, battery or

AC adapter powered), A K G / C r o w n 4B PH

phantom power suppl(4 y channels, AC

powered).

* 1 pascal = 10 dynes/cm

2 = 10 micrars = 94 dB obSPL.

Fig. 2

Product specificaties