Fbt MB-T 8008 User manual

MANUALEDIISTRUZIONI
OPERATINGMANUAL
FBTELETTRONICAS.p.A.-ZONAIND.LESQUARTABUE-62019RECANATI(MC)-ITALY
TEL.[phone]r.a.-FAX[phone]-P.O.BOX104-E-mail:[email protected]t-www.fbt.it
MB-T8001 MB-T8008
BASEMICROFONICA/MICROPHONESTAND
MB-T8004

Leinformazionicontenuteinquestomanualesonostatescrupolosamentecontrollate;tuttavianonsiassume
nessunaresponsabilitàpereventualiinesattezze.LaFBTElettronicaS.p.Asiriservaildirittodimodificarele
caratteristichetecnicheedestetichedeiprodottiinqualsiasimomentoesenzapreavviso.
Allinformationincludedinthisoperatingmanualhavebeenscrupulouslycontrolled;howeverFBTisnot
responsibleforeventualmistakes.FBTElettronicaS.p.A.hastherighttoamendproductsandspecifications
withoutnotice.
16113#06/10/05

IUKINDICE INDEX
1
INTRODUZIONE INTRODUCTION
FBTAudioContractorproponediversimodelli
dibasimicrofoniche,corredatediflessibilee
interruttore,conosenzapulsantidiselezione
zoneoattivazioneemergenza.
Sicontraddistinguonoperl’elevatasensibilitàe
l’ampiarispostainfrequenzaelecapsule
microfonichesonocaratterizzatedaun
diagrammapolarecardioide.
Lebasisonocorredatediunfunzionale
interruttoreatreposizioni,ONstabile,OFF,ON
momentaneo,ediuntastoperl’attivazione
dell’emergenza.
ImodelliMBT8004,MBT8008,MBT8001sono
basidatavolopreamplificate,dotatedi
compressoredidinamicaperassicurareun
elevatogradodiintelligibilità,conun
generatoredimessaggiinternoperla
segnalazionediinizioefinemessaggio
microfonicoeperunsegnalediemergenza,
che,all’occorenza,puòesserepersonalizzato
inbaseallespecificherichiestediimpianto.
InoltrelebasiMBTconsentonodiselezionare4
o8zonesingolarmente,asecondodelmodello,
perannunciselettiviinciascunadiesse,oltreal
tastoperl’abilitazionedellachiamatagenerale.
Arichiestapuòessererealizzataunaversione
perilcontrollodipiùzone.
INDICE-INTRODUZIONE
AVVERTENZE/APERTURABASE
:CONTROLLI&FUNZIONI
VISTAINTERNA
:VISTAINTERNA
ESEMPIDICOLLEGAMENTO
ESEMPIDIIMPIEGO
SCHEMAABLOCCHI
SPECIFICHETECNICHE
IMPIANTI
SISTEMIPUBLICADDRESS
EMERGENZA
MBT8008/MBT8004/MBT8001
MBT8008/MBT8004:
MBT8001
INDEX-INTRODUCTION
WARNING/STANDOPENING :CONTROLS&
FUNCTIONS :INTERNALVIEW
INTERNALVIEW
CONNECTIONEXAMPLES
EMPLOYMENTEXAMPLES
BLOCKDIAGRAM
TECHNICALSPECIFICATIONS
SYSTEMS
PUBLICADDRESSSYSTEMS
EMERGENCY
MBT8008/MBT8004/MBT8001
MBT8008/MBT8004
MBT8001:
1
2
3
4
5
6-10
11-16
17
18
19-22
23-24
25
1
2
3
4
5
6-10
11-16
17
18
19-22
23-24
25
FBTAudioContractorproposesarangeofdesk
microphones,withflexiblegoose-necksand
switch,withorwithoutareaselectionor
emergencybuttons.
Thesemodelsarecharacterisedbytheirhigh
sensitivityandbroadfrequencyresponse;the
transmittercapsulefeaturesacardioidpolar
diagram.
Themicrophonebasesarefittedwithapractical
3-positionswitch(ONfixed,OFF,ON
temporarily)andanemergencyONbutton.
BothMBT8004,MBT8008,MBT8001models
arepreamplified,equippedwithdynamic
compressortoensureahighdegreeof
intelligibility,withaninternalmessage
generatortomarkthebeginningandendofthe
microphonemessageandforanemergency
signal(whichifnecessarycanbecustomisedto
thesystemspecifications).
MBTdeskmicrophonescanselect4or8
individualzones(dependingonthemodel)for
selectiveannouncements,aswellasabuttonto
enablegeneralannouncements.Onrequest,a
versioncontrollingmultiplezones
simultaneouslycanalsobesupplied.

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2
APERTURABASE
AVVERTENZE
IMPORTANTE IMPORTANTNOTES
STANDOPENING
WARNING
°Perprevenirefastidiosidisturbievitatedi
posizionarelabaseinprossimitàdi
trasformatoridialimentazione,apparecchiTV,
motorielettrici,apparecchiatureperilcontrollo
dell’intensitàluminosaerelativicavidi
connessionedellelampade
°Evitarediorientareimicrofoninelladirezione
dellecasseacustiche:potrebberogenerare
fastidiosiinneschichedanneggerebberogli
altoparlanti.
°Assicurarsicheilcavononsiaschiacciato
daoggettiechenonsiadanneggiato.
°Nonforzareitastideicomandi,sono
progettatiperesseresottopostiadunaleggera
pressione
Perilcollegamentodellabaserivolgersia
personalequalificato,chepermettadi
realizzarecorrettamenteleconnessionie
prevenireipericolidell’elettricità
Primadicollegareeutilizzarel’apparecchio
leggeteattentamenteleistruzionicontenutein
questomanuale.
L’erratainstallazionedell’apparecchiatura
esimelaFBTdaogniresponsabilità.
°Topreventannoyingsounddistortion,
positionthemicrophonewellclearofpower
transformers,televisionsets,electricmotors,
lightingintensitycontrolsandconnectinglines.
°Donotturnmicrophonestowards
loudspeakers:thiscouldcausefeedbackand
damagetothespeakers.
°Ensurethatpowerlinesarenotcrushedor
damagedbyheavyobjects.
°Donotforcecontrolbuttonsdown;always
pressthemlightly.
Whenconnectingmicrophones,seekthe
assistanceofaqualifiedelectrician,whowill
ensurethatconnectionshavebeenmade
properlyandthatallelectricalriskshavebeen
eliminated.
Readtheinstructionscontainedinthismanual
carefullybeforeconnectingandusingthe
appliance.
FBTdeclinesallresponsibilityforincorrect
installationoftheappliance.

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3
CONTROLLIEFUNZIONI CONTROLSANDFUNCTIONS
MB-T8004
3
Emg.
All Off
Mom
Lock
Mic
1
5
6
42
3
1 2 3 4
MB-T8008
Emg.
All
Mic
5 6 7 8
Off
Mom
Lock
1 2 3 4
6
5
1
4
23
1]-Interruttoreatre
posizioni;nellaposizionecentrale(off)labase
èdisattivata;nellaposizioneLOCK
l’interruttoreèstabile;nellaposizioneMOMla
baseèattivatamomentaneamentefinchèil
tastononvienerilasciato.
2]-LafunzioneALLpermetteladiffusione
diunannunciointuttelezoneaudiodel
sistema,interrompendol’eventualemusicadi
sottofondo.Ilrelativoledindical’attivazione
dellafunzione.
3]-Questafunzionepermettediattivare
l’emergenzasututteleapparecchiatureche
compongonoilsistemaediinviareilsegnale
predispostoinmemoria.Ilsegnaledi
emergenzapuòesserepersonalizzatoinbase
allespecificherichiestediimpianto.Illedindica
l’attivazionedellafunzione.
4]-Tastiperlaselezionedellezonein
cuidovràesserediffusol’annunciomicrofonico
conprioritàsullamusica.L’accensionedelled
indical’attivazionedellafunzione..
5]concapsulamicrofonicaditipo
electreteconcurvapolarecardioide;si
contraddistingueperleottimecaratteristiche
diriproduzionedellavoce,minimadistorsionee
buonasensibilità.
6]-Leddimonitoraggiochevisualizzano
iltipodisegnalepresenteinuscita
(microfonicoosegnalememorizzato).
LOCK/OFF/MOM
ALL
EMG
1/2/3/4
Flessibile
Mic
1]Three-positionswitch;set
tothecentralposition(OFF)toturnthe
microphoneoff;settoLOCKtokeeptheswitch
inastableposition;settoMOMtodeactivate
themicrophonetemporarily(untilthebuttonis
released).
2]-TheALLfunctionisusedtobroadcast
announcementstoallsystemareaswhile
silencingbackgroundmusic.TheLEDlamp
indicateswhenthefunctionison.
3]Usethisfunctiontoactivatethe
emergencymodeonallsystemappliancesand
tobroadcastamemorisedsignal.Thesignal
canbecustomisedaccordingtosystem
requirements.TheLEDlampindicateswhen
thefunctionison.
4]Buttonsfortheselectionof
announcementbroadcastareas(overriding
backgroundmusic).TheLEDlampindicates
whenthefunctionison.
5]Goose-neckandelectretmicrophonewith
cardioidpolarpattern;designedforoptimal
purevoicereproduction,minimaldistortionand
goodsensitivity.
6]-MonitoringLEDlampindicating
outputsignaltype(microphoneormemorised
signal).
LOCK/OFF/MOM
ALL
EMG
1/2/3/4
MIC
MB-T8001
3
Emg.
Off
Mom
Lock
Mic
1
5
6
3

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4
CONTROLLIEFUNZIONI CONTROLSANDFUNCTIONS
MB-T8004
MB-T8008
2
GROUND
SOUNDGAIN
SOUNDGAIN
1
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
123
N
1 2 3
N
COLLEGAMENTIMORSETTIERA
TERMINALSTRIPCONNECTIONS
CONFIGURAZIONESEGNALIDIPREAVVISO
PREANDPOSTANNOUNCEMENTCHIME
SIG.OUT HOT
COLD
MUSICOFF
ZONE1
ZONE5
ZONE2
ZONE6
ZONE3
ZONE7
ZONE4
ZONE8
EMERGENCY
PRIORITY1
PRIORITY2
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1GND
+15V
GND
-15V
2
3
4
ON
ON
ON
ON ON
ON
ON
ON ON
ON
ON
ON NO
MSG2
MSG2
MSG1
MSG1
MSG1
START STOP
CHIME
MSG1
MSG2
MSG2
MSG1
MSG2
NO
NO
NO
NONO
12 3
VISTAINTERNA/INTERNALVIEW
ATTENZIONE:PERILCOLLEGAMENTODELCAVO
RIVOLGERSIAPERSONALEQUALIFICATO.
IMPORTANT: FORLINECONNECTIONSSEEKTHE
ASSISTANCEOFAQUALIFIEDELECTRICIAN
Regolailvolumedelsegnaledipreavvisodainviare
nellevariezone.
Ilpotenziometroèsituatoall’internodellabase,quindi
vataratoalmomentodell’installazione.
Adjuststhealertsignalvolumetobroadcastinselectedareas.
Thepotentiometerislocatedinsidethebase,andmust
thereforebecalibrationduringinstallation.
DIPswitchperlaconfigurazionedeisegnalidi
preavviso(veditabella)
DIPswitchforconfigurationofalertsignals(seetable)
7
89
7
89

CHIMEGAIN
123
N
CONFIGURAZIONESEGNALIDIPREAVVISO
PREANDPOSTANNOUNCEMENTCHIME
ON
ON
ON
ON ON
ON
ON
ON ON
ON
ON
ON NO
MSG2
MSG2
MSG1
MSG1
MSG1
START STOP
CHIME
MSG1
MSG2
MSG2
MSG1
MSG2
NO
NO
NO
NONO
12 3
Regolailvolumedelsegnaledipreavviso.
Ilpotenziometroèsituatoall’internodellabase,quindi
vataratoalmomentodell’installazione.
Adjuststhealertsignalvolumetobroadcastinselectedareas.
Thepotentiometerislocatedinsidethebase,andmust
thereforebecalibrationduringinstallation.
DIPswitchperlaconfigurazionedeisegnalidi
preavviso(veditabella)
DIPswitchforconfigurationofalertsignals(seetable)
7
8
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5
CONTROLLIEFUNZIONI CONTROLSANDFUNCTIONS
MB-T8001
MICROPHONACABLEWITHXLR-M
+2LOGICCONDUCTORS
CAVOMICROFONICOCONXLR-M
+2CONDUTTORIDICONTATTOLOGICO
VISTAINTERNA/INTERNALVIEW
2
1
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1 2 3
ON
7
8
9
ATTENZIONE:PERILCOLLEGAMENTODELCAVO
RIVOLGERSIAPERSONALEQUALIFICATO.
IMPORTANT: FORLINECONNECTIONSSEEKTHE
ASSISTANCEOFAQUALIFIEDELECTRICIAN
COLLEGAMENTIMORSETTIERA
TERMINALSTRIPCONNECTIONS
SIG.OUT HOT
COLD
MUSICOFF
EMERGENCY
PRIORITY1
PRIORITY2
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1GND
+15V
GND
-15V
2
3
4
9

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6
ESEMPIDICOLLEGAMENTO CONNECTIONEXAMPLES
32
U10
SOUNDGAIN
T3
1
CALLREMOTEZONECONTROLS
HOT8ALL PRIORITY NC7654321 COLD SHIELD
SIGNAL
PRIORITY
IN/OUT
POWEREMERGENCY
-150+15AKGND PWR COLL
Imax100mA MADEINITALY
MZU2008CODE12701
MBT8008
MZU2008
SIG.OUT HOT
COLD
MUSICOFF
ZONE1
ZONE5
ZONE2
ZONE6
ZONE3
ZONE7
ZONE4
ZONE8
EMERGENCY
PRIORITY1
PRIORITY2
5
6
7
8
9
10
11
12
13
14
15
16
17
18
COLLEGAMENTIMORSETTIERA
TERMINALSTRIPCONNECTIONS
1GND
+15V
GND
-15V
2
3
4

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7
ESEMPIDICOLLEGAMENTO CONNECTIONEXAMPLES
32
U10
SOUNDGAIN
T3
1
VOLUME
PWROUT4 PWROUT3
CH4
0
5
10
RISKOFELECTRICSHOCK
DONOTOPEN
TOREDUCETHERISKOFELECTRICSHOCKDONOT
REMOVECOVER(ORBACK)NOUSERSERVICEABLE
PARTSINSIDEREFERSERVICINGTOQUALIFIED
SERVICEPERSONNEL
MadeinItaly MCA4240A
230V
T6A250V
LINECOM EMERGENCY LINECOM EMERGENCY
CHANNELREMOTEVOLUME
4 3
min max maxmin
PRT
15V
HOT COLD SHIELD LOAD
SIGNAL HOT COLD SHIELD +15V 0-15V
INPUTA
PWR PWRLOADS/W COLLECTGND
IN OUT
HOT COLD SHIELD
INPUTB
CODE11825 MCA4240
FAILURE
15V
PRIORITY
FROM
MIXER
SIG.OUT HOT
COLD
MUSICOFF
ZONE1
ZONE2
ZONE3
ZONE4
EMERGENCY
PRIORITY1
PRIORITY2
5
6
7
8
9
10
11
12
13
14
15
16
17
18
COLLEGAMENTIMORSETTIERA
TERMINALSTRIPCONNECTIONS
1GND
+15V
GND
-15V
2
3
4
AMPLIFIERMCA4240A
MBT8004

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8
ESEMPIDICOLLEGAMENTO CONNECTIONEXAMPLES
SIG.OUT HOT
COLD
MUSICOFF
ZONE1
ZONE5
ZONE2
ZONE6
ZONE3
ZONE7
ZONE4
ZONE8
EMERGENCY
PRIORITY1
PRIORITY2
5
6
7
8
9
10
11
12
13
14
15
16
17
18
COLLEGAMENTIMORSETTIERA
TERMINALSTRIPCONNECTIONS
1
GND
+15V
GND
-15V
2
3
4
SOUNDGAIN
T3
32
U10
1
REC
5
Z1 3 1
6
Z2 4 2
CHANNELDIRECTOUT
0
10
-20 60 mic 30 line
MUSICOFFZ4 Z3 Z2 Z1
INPUT1
GAIN
COM
0
-150+15 HOT COLD
LINE0dBu
PWRINP1-INP2 Imax150mA
SHIELD
REC
5
Z1 3 1
6
Z2 4 2
CHANNELDIRECTOUT
0
10
-20 60 mic 30 line
MUSICOFFZ4 Z3 Z2 Z1
INPUT1
GAIN
COM
0
-150+15 HOT COLD
LINE0dBuPWRINP1-INP2 Imax150mA
SHIELD
MIXER1MMZ8004S
MBT8008
MIXER2MMZ8004S

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9
ESEMPIDICOLLEGAMENTO CONNECTIONEXAMPLES
REC
5
Z1 3 1
6
Z2 4 2
CHANNELDIRECTOUT
0
10
-20
MUSICOFFZ4 Z3 Z2 Z1
INPUT1
GAIN
COM
0
-150+15 HOT COLD
LINE0dBuPWRINP1-INP2 Imax150mA
SHIELD
LATOCOMPONENTI
COMPONENTSSIDE
MMZ8004S
MBT8008

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10
ESEMPIDICOLLEGAMENTO CONNECTIONEXAMPLES
MBT8008
MUTEG
FUNZIONEDINDON DINDONFUNCTION
MA5240

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11
1
12
34
5
678
8
MBT8008
link
Scuole,Ospedali,Fabbriche
Schools,Hospitals,Factories
MZU2008
ZONE1 ZONE2 ZONE3 ZONE4 ZONE6 ZONE7 ZONE8 ALLZONE5
CALL CALL CALL CALL CALL CALL CALL CALL CALL
POWEREMERGENCY
MUSIC MUSIC MUSIC MUSIC MUSIC MUSIC MUSIC MUSIC
MZU2008
ESEMPIDIIMPIEGO EMPLOYMENTEXAMPLES
MA5120

UK
22
12
ESEMPIDIIMPIEGO EMPLOYMENTEXAMPLESUK
Scuole,Centricommerciali,Centrisportivi,Palestre,Alberghi
Schools,Shoppingcentre,Sportscentres,Gymnasiums,Hotels
12
345678
1
8
SA1120
MBT8008
voce
voice
link
MZU2008
ZONE1 ZONE2 ZONE3 ZONE4 ZONE6 ZONE7 ZONE8 ALLZONE5
CALL CALL CALL CALL CALL CALL CALL CALL CALL
POWEREMERGENCY
MUSIC MUSIC MUSIC MUSIC MUSIC MUSIC MUSIC MUSIC
MZU2008
010 010 0 10
POWER
CDorTAPE
MASTERVOLUMETREBLEBASSLINE
LINESELECT
MIC4MIC3MIC2MIC1
POWER
ZONE1 ZONE2
PEAK
SIGNAL
AUX TUNER
CD/TAPE
OFF
0 10 -10 [phone] 010-10 +10
PUBLIC ADDRESS AMPLIFIER
MA 5240
MA5240
CDorTAPE

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13
ESEMPIDIIMPIEGO EMPLOYMENTEXAMPLES
ActiveClip Clip Protect
0 010 10
Ch1 Ch2
DUALCHANNELAMPLIFIER-SA2200
ActiveClip Clip Protect
0 010 10
Ch1 Ch2
DUALCHANNELAMPLIFIER-SA2200
MMZ8004S
MBT8004 MBT8004
SAseries
SAseries
1 2
Z1 Z2
OUT
1
4
1
4
Shoppingcentrewithlocalcallpoints.Courtrooms
Centrocommercialeconpuntidichiamatalocali.Aulegiudiziarie

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14
ESEMPIDIIMPIEGO EMPLOYMENTEXAMPLES
zona2
zona3
MBT8004 MBT8004
1 2
Z1
Z2
Z4
Z3
OUT
1
4
zona1
1
4
zona4
MCA2240AorMCA4240A
MCA2240AorMCA4240A
MCA2240AorMCA4240A
MCA2240AorMCA4240A
MULTICHANNELPOWERAMPLIFIER-MCA4200
FAILURE
CH2 CH3 CH4
SIGNAL CLIP PRT FAILURE SIGNAL CLIP PRT FAILURE SIGNAL CLIP PRT FAILURE EMERG. PWRSIGNAL CLIP PRT
CH1
MULTICHANNELPOWERAMPLIFIER-MCA4200
FAILURE
CH2 CH3 CH4
SIGNAL CLIP PRT FAILURE SIGNAL CLIP PRT FAILURE SIGNAL CLIP PRT FAILURE EMERG. PWRSIGNAL CLIP PRT
CH1
CentroOspedaliero,Centrocommerciale,Fabbriche
Hospitals,Shoppingcentre,Factories

I
15
ESEMPIDIIMPIEGO EMPLOYMENTEXAMPLESUK
MMZ8004S
INPUTA
ZONE1 LocalPagingSystem
LocalPagingSystem
CentralPagingSystem
LocalPagingSystem
LocalPagingSystem
ZONE2
ZONE3
ZONE4
INPUTB
SPKR
LINEA
SPKR
LINEA
SPKR
LINEA
SPKR
LINEA
SPKR
LINEB
SPKR
LINEB
SPKR
LINEB
SPKR
LINEB
SPKR
LINEC
SPKR
LINEC
SPKR
LINEC
SPKR
LINEC
SPKR
LINED
SPKR
LINED
SPKR
LINED
SPKR
LINED
INPUTB
INPUTB
INPUTB
INPUTA
INPUTA
INPUTA
MBT8004
Pagingsystem
Sistemacercapersone
Centrale
Locale
Locale
Locale
Locale

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16
ESEMPIDIIMPIEGO EMPLOYMENTEXAMPLES
Hospitals,Factories,Schools
Ospedali,Fabbriche,Centrisociali,Scuole
MMZ8004S
MBT8004 MBT8004
1 2
MCA2240A
or
MCA4240A
MCA2240A
or
MCA4240A
MCA2240A
or
MCA4240A
MCA2240A
or
MCA4240A
MULTICHANNELPOWERAMPLIFIER-MCA4200
FAILURE
CH2 CH3 CH4
SIGNAL CLIP PRT FAILURE SIGNAL CLIP PRT FAILURE SIGNAL CLIP PRT FAILURE EMERG. PWRSIGNAL CLIP PRT
CH1
MULTICHANNELPOWERAMPLIFIER-MCA4200
FAILURE
CH2 CH3 CH4
SIGNAL CLIP PRT FAILURE SIGNAL CLIP PRT FAILURE SIGNAL CLIP PRT FAILURE EMERG. PWRSIGNAL CLIP PRT
CH1
MULTICHANNELPOWERAMPLIFIER-MCA4200
FAILURE
CH2 CH3 CH4
SIGNAL CLIP PRT FAILURE SIGNAL CLIP PRT FAILURE SIGNAL CLIP PRT FAILURE EMERG. PWRSIGNAL CLIP PRT
CH1
MULTICHANNELPOWERAMPLIFIER-MCA4200
FAILURE
CH2 CH3 CH4
SIGNAL CLIP PRT FAILURE SIGNAL CLIP PRT FAILURE SIGNAL CLIP PRT FAILURE EMERG. PWRSIGNAL CLIP PRT
CH1
zona1
zona3
zona4
zona2
1/4
1/4
1/4
1/4

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17
SCHEMAABLOCCHI BLOCKDIAGRAM
ACTIVE
MIC
10K
30K
20K
2K
1N4148
ZONE1

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18
SPECIFICHETECNICHE TECHNICALSPECIFICATIONS
MBT8001 MBT8004 MBT8008
Caratteristiche
Microfono
Curvapolare
Rispostainfrequenza
Sensibilità
Impedenzad’uscita
Flessibile
Preavviso/Emergenza
Tensioned’uscita
Alimentazione
Materiale
Accessoriacorredo
Accessoriopzionali
interruttore,tastoemergenza interruttore,tastoemergenza,
selezione4zone interruttore,tastoemergenza, selezione8zone
electrete electrete electrete
cardioide cardioide cardioide
70Hz-18kHz 70Hz-18kHz 70Hz-18kHz
-63dB±3dB -63dB±3dB -63dB±3dB
600Ohm 600Ohm 600Ohm
L=370mmØ9mm L=370mmØ9mm L=370mmØ9mm
DINDON2toni
Carillon4toni(emergenza)
DINDON2toni
Carillon4toni(emergenza) DINDON2toni Carillon4toni(emergenza)
0dBu(0,775Vrms)bilanciata 0dBu(0,775Vrms)bilanciata 0dBu(0,775Vrms)bilanciata
±15Vdc/80mA ±15Vdc/80mA ±15Vdc/100mA
ABSconfondoinacciaio ABSconfondoinacciaio ABSconfondoinacciaio
Cuffiaantipop Cuffiaantipop Cuffiaantipop
Cavomulticoppia
Cavoschermato5x2x0,22 Cavomulticoppia Cavoschermato5x2x0,22 Cavomulticoppia Cavoschermato9x2x0,22
MBT8001 MBT8004 MBT8008
Characteristics
Microphone
Polarcurve
Frequencyresponse
Sensitivity
Outputimpedance
Gooseneck
Warning/Emergency
Outputvoltage
Powersupply
Material
Accessoriesincluded
Optionalaccessories
Switch,emergencybutton Switch,emergencybutton
4zoneselection Switch,emergencybutton 8zoneselection
Electret Electret Electret
Cardioid Cardioid Cardioid
70Hz-18kHz 70Hz-18kHz 70Hz-18kHz
-63dB±3dB -63dB±3dB -63dB±3dB
600Ohm 600Ohm 600Ohm
L=370mmØ9mm L=370mmØ9mm L=370mmØ9mm
Chime2tones
Carillon4tones(emergency)
0dBu(0,775Vrms)balanced 0dBu(0,775Vrms)balanced 0dBu(0,775Vrms)balanced
±15Vdc/80mA ±15Vdc/80mA ±15Vdc/100mA
ABSwithsteelbase
Antipopfilter Antipopfilter Antipopfilter
Multipair
Shieldedcable5x2x0,22
Chime2tones
Carillon4tones(emergency) Chime2tones Carillon4tones(emergency)
ABSwithsteelbase ABSwithsteelbase
Multipair
Shieldedcable5x2x0,22 Multipair Shieldedcable9x2x0,22