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  9. Shure EZB/C User manual

Shure EZB/C User manual

B = Blue
R = Red
S = Silver
Disconnect cable from preamp
Remove grille
2
3
Mark and drill three holes in surface: # for cable, #2 and #3 for screws
!
2
3
Lower cable through hole #
Insert #4 (small) screws in holes #2 and #3
"
Replace grille and reconnect preamp
#
Secure preamp using #8 (large) screw
$
27B3 24 (Rev. 2)
©2003, Shure Incorporated
Easyflex® Boundary Microphone
User Guide
Permanent Installation · Installation Permanente ·
Dauerhafte Anbringung · Instalacion Permanente ·
Installazione Permanente ·
Shure Easyflex EZB Series microphones are small,
surface mounted electret condenser microphones
designed for mounting on conference tables, stage
floors, and lecterns. Their wide frequency range
makes them especially suitable for picking up speech
and vocals in sound reinforcement and recording
applications.
Features
· Flat frequency response across the vocal range
for uncolored sound.
· Sleek, low-profile design for unobtrusive appearance.
Model Variations
· EZB/C-Cardioid
· EZB/O-Omnidirectional
SHURE Incorporated Web Address: http://www.shure.com
5800 W. Touhy Avenue, Niles, IL 607 4-4608, U.S.A.
Phone: 800-257-4873 Fax: 847-600- 2 2
In Europe, Phone: 49-7 3 -72 40 Fax: 49-7 3 -72 4 4
In Asia, Phone: 852-2893-4290 Fax: 852-2893-4055
Elsewhere, Phone: 847-600-2000 Fax: 847-600-6336
SPECIFICATIONS
Frequency Response (Figure 1)
50 to 17,000 Hz
Polar Pattern (Figure 1)
Cardioid or Omnidirectional
Output Impedance (at 1 kHz)
Rated at 150 Ω(170 Ωactual)
Open Circuit Sensitivity (at 1 kHz, ref. 1 V/Pascal*)
Cardioid: -39.0 dB (11.2 mV)
Omni: -34.0 dB (20.0 mV)
*1 Pascal = 94 dB SPL
Maximum SPL
(1 kHz at 1% THD, 1 kΩload)
Cardioid: 122.5 dB
Omni: 117.5 dB
Maximum Equivalent Output Noise (A-weighted at 1kΩ
load)
Cardioid: 23.0 dB
Omni: 17.5 dB
Signal to Noise Ratio
(referenced to 94 dB SPL)
Cardioid: 71.0 dB
Omni: 76.5 dB
Dynamic Range (at 1 kΩLoad)
Cardioid: 99.5 dB
Omni: 100.0 dB
Common Mode Rejection
45 dB minimum
Preamplifier Output Clipping Level (1 kHz at 1% THD, 1
kΩload)
-12.0 dBV (0.25 V)
Polarity
Positive sound pressure on diaphragm produces posi-
tive voltage on pin 2 relative to pin 3 of output connec-
tor.
Power Requirements
11 to 52 Vdc phantom, 2.0 mA
Environmental Requirements
Operating Temperature Range:
-18°C to 57°C (0°F to 135°F)
Relative Humidity: 0 to 95%
Dimensions (Figure 3)
2-15/16" L x 2-1/16 W x 17/32" H
Weight
1lb
Certification
Eligible to bear CE Marking. Conforms to European
EMC Directive 89/336/EEC. Meets applicable tests and
performance criteria in European Standard EN55103
(1996) parts 1 and 2, for residential (E1) and light indus-
trial (E2) environments.
NOTE: For technical data by fax, phone
1-800-488-3297 and follow the recorded
instructions or, on the internet, go to
www.shure.com
CARACTÉRISTIQUES
Réponse en fréquence (Figure 1)
50 à 17 000 Hz
Courbe de directivité (Figure 2)
Cardioïde ou omnidirectionnelle
Impédance de sortie (à 1 kHz)
Valeur nominale à 150 Ω(170 Ωréels)
Sensibilité en circuit ouvert
(à 1 kHz, réf. 1 V/Pascal*)
Cardioïde : -39,0 dB (11,2 mV)
Omni : -34,0 dB (20,0 mV)
*1 Pascal = 94 dB NPA
NPA maximum
(1 kHz avec DHT de 1 %, charge de 1 kΩ)
Cardioïde : 122,5 dB
Omni : 117,5 dB
Bruit de sortie maximum équivalent (pondéré en A à une
charge de 1 kΩ)
Cardioïde : 23,0 dB
Omni : 17,5 dB
Rapport signal/bruit (mesuré à 94 dB NPA)
Cardioïde : 71,0 dB
Omni : 76,5 dB
Gamme dynamique (à une charge de 1 kΩ)
Cardioïde : 99,5 dB
Omni : 100,0 dB
Rejet en mode commun
45 dB au minimum
Niveau d'écrêtage de sortie du préamplificateur (1 kHz
avec DHT de 1 %, charge de 1 kΩ)
-12,0 dBV (0,25 V)
Polarité
Pression acoustique positive sur le diaphragme produit
une tension positive sur la broche 2 par rapport à la
broche 3 du connecteur de sortie.
Alimentation
11 à 52 V c.c. fantôme, 2,0 mA
Environnement
Plage de températures de fonctionnement :
-18 à 57 °C (0 à 135 °F)
Humidité relative : 0 à 95 %
Dimensions (Figure 3)
Longueur : 74,6 mm, Largeur : 52,3 mm
Hauteur : 13,7 mm
Poids
0,454 kg (1 lb)
Homologation
Autorisé à porter la marque CE. Conforme à la directive
CEM européenne 89/336/CEE. Conforme aux critères
applicables de test et de performances de la norme eu-
ropéenne EN55103 (1996) parties 1 et 2 pour les envi-
ronnements résidentiels (E1) et d'industrie légère (E2).
REMARQUE : Pour toute information
technique, sur l'Internet, visiter
www.shure.com
TECHNISCHE DATEN
Frequenzgang (Abbildung 1)
50 bis 17.000 Hz
Richtcharakteristik (Abbildung 2)
Nieren- oder Kugelcharakteristik
Ausgangsimpedanz (bei 1 kHz)
Nennwert 150 Ω(Istwert 170 Ω)
Leerlaufempfindlichkeit
(Bei 1 kHz bezogen auf 1 V/Pascal*)
Niere: -39,0 dB (11,2 mV)
Kugel: -34,0 dB (20,0 mV)
*1 Pascal = 94 dB Schalldruckpegel
Maximaler Schalldruckpegel
(1 kHz bei 1 % Gesamtklirrfaktor, 1 kΩLast)
Niere: 122,5 dB
Kugel: 117,5 dB
Max. Äquivalenzausgangsrauschen (nach Bewertung-
skurve A bei 1 kΩLast)
Niere: 23,0 dB
Kugel: 17,5 dB
Signalrauschabstand
(bezogen auf 94 dB Schalldruckpegel)
Niere: 71,0 dB
Kugel: 76,5 dB
Dynamikbereich (bei 1 kΩLast)
Niere: 99,5 dB
Kugel: 100,0 dB
Gleichtaktunterdrückung
mindestens 45 dB
Vorverstärker-Ausgangsbegrenzungspegel (1 kHz bei
1 % Gesamtklirrfaktor, 1 kΩLast)
-12,0 dBV (0,25 V)
Polarität
Positiver Schalldruck an der Membran erzeugt positive
Spannung an Pin 2 in bezug auf Pin 3 des Ausgangs.
Leistungsbedarf
11 bis 52 V DC Phantomspeisungsspannung, 2,0 mA
Umweltbedingungen
Betriebstemperaturbereich:
-18 °C bis 57 °C
Relative Feuchtigkeit: 0 bis 95 %
Abmessungen (Abbildung 3)
Länge: 74,6 mm
Breite: 52,3 mm
Höhe: 13,7 mm
Gewicht
0,454 kg
Zertifizierung
Zur CE-Kennzeichnung berechtigt. Entspricht der eu-
ropäischen Richtlinie zur elektromagnetischen Ver-
träglichkeit 89/336/EWG. Erfüllt die Prüfungs- und
Leistungskriterien der europäischen Norm EN 55103
(1996) Teil 1 und 2 für Wohngebiete (E1) und Gewer-
begebiete (E2).
ESPECIFICACIONES
Respuesta de frecuencia (Figura 1)
50 a 17.000 Hz
Patrón polar (Figura 1)
Cardioide u omnidireccional
Impedancia de salida (a 1 kHz)
Nominal: 150 Ω(Real: 170 Ω)
Sensibilidad en circuito abierto
(a 1 kHz, respecto a 1 V por pascal*)
Cardioide: -39,0 dB (11,2 mV)
Omnidireccional: -34,0 dB (20,0 mV)
*1 pascal = 94 dB SPL
Nivel de presión acústica (SPL) máx.
(1 kHz con 1% THD, carga de 1 kΩ)
Cardioide: 122,5 dB
Omnidireccional: 117,5 dB
Ruido equivalente máximo de salida (ponderación A con
carga de 1 kΩ)
Cardioide: 23,0 dB
Omnidireccional: 17,5 dB
Relación de señal a ruido
(relativo a 94 dB SPL)
Cardioide: 71,0 dB
Omnidireccional: 76,5 dB
Rango dinámico (con carga de 1 kΩ)
Cardioide: 99,5 dB
Omnidireccional: 100,0 dB
Rechazo en modo común
45 dB mínimo
Nivel de limitación de salida de preamplificador (1 kHz
con 1% THD, carga de 1 kΩ)
-12,0 dBV (0,25 V)
Polaridad
Una presión positiva en el diafragma del micrófono pro-
duce un voltaje positivo en la clavija 2 con respecto a la
clavija 3 del conector de salida.
Requisitos de alimentación
11 a 52 VCC de alimentación Phantom, 2,0 mA
Requisitos de entorno
Gama de temperatura de funcionamiento: -18°C a
57°C (0°F a 135°F)
Humedad relativa: 0 a 95%
Dimensiones (Figura 3)
Largo: 74,6 mm
Ancho: 52,3 mm
Altura: 13,7 mm
Peso
0,454 kg (1 lb)
Certificación
Califica para llevar la marca CE. Cumple la directiva eu-
ropea 89/336/EEC de compatibilidad electromagnéti-
ca. Se ajusta a los criterios correspondientes de
verificación y funcionamiento establecidos en la norma
europea EN55103 (1996), partes 1 y 2, para zonas res-
idenciales (E1) y zonas de industria ligera (E2).
DATI TECNICI
Risposta in frequenza (Figura 1)
Da 50 a 17.000 Hz
Diagramma polare (Figura 1)
Cardioide od omnidirezionale
Impedenza in uscita (a 1 kHz)
Valore nominale 150 Ω
(valore effettivo 170 Ω)
Sensibilità a circuito aperto
(a 1 kHz; rif. 1 V/Pascal*)
Cardioide: -39,0 dB (11,2 mV)
Omnidirezionale: -34,0 dB (20,0 mV)
*1 Pascal = 94 dB di SPL
Livello di pressione sonora (SPL) massimo
(1 kHz a 1% THD, carico di 1 kΩ)
Cardioide: 122,5 dB
Omnidirezionale: 117,5 dB
Rumore in uscita massimo equivalente
(misurato con filtro di ponderazione A con un carico di
1kΩ)
Cardioide 23,0 dB
Omnidirezionale: 17,5 dB
Rapporto segnale/rumore (con riferimento a 94 dB SPL)
Cardioide 71,0 dB
Omnidirezionale: 76,5 dB
Intervallo dinamico (con carico di 1 kΩ)
Cardioide 99,5 dB
Omnidirezionale: 100,0 dB
Reiezione di modo comune
Minimo di 45 dB
Livello di limitazione (clipping) all'uscita del preamplif-
icatore (1 kHz a 1% THD (total harmonic distortion -
distorsione armonica totale), carico di 1 kΩ)
-12,0 dBV (0,25 V)
Polarità
Una pressione sonora positiva sul diaframma produce
una tensione positiva sul piedino 2 rispetto al piedino 3
del connettore di uscita.
Requisiti di alimentazione
Tra 11 e 52 V c.c., alimentazione phantom, 2,0 mA
Requisiti ambientali
Intervallo della temperatura di funzionamento: -18°C a
57°C
Umidità relativa: dallo 0 al 95%
Dimensioni (Figura 3)
Lunghezza: 74,6 mm, larghezza: 52,3 mm, altezza: 13,7
mm (0,540 pollici),
Peso
0,454 kg (1 libbra)
Omologazioni
Contrassegnabile con il marchio CE. Conforme alla
direttiva europea sulla compatibilità elettromagnetica
89/336/CEE. Soddisfa i criteri di prestazione e le veri-
fiche pertinenti specificati nella norma europea
EN55103 (1996) parti 1 e 2 relativa ad ambienti domes-
tici (E1) e industriali leggeri (E2).
500 1K 2K 5K 10K 20K
50 100 20020
dB
Hz
CARDIOID
OMNI
+10
0
–10
5.232 cm
(2.060 in.
3.04 cm
(1.197 in.
3.96 cm
(1.562 in.
3.175 cm
(1.250 in.
1000 Hz
150o
120o
150o
120o
180o
30o
60o
90o
30o
60o
0
90o
–10 dB
–20 dB
CARDIOID
OMNI
FIGURE 1
FIGURE 2
FIGURE 3

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