Shure UNIDYNE III 545SD Guia Del Usuario
Shure UNIDYNE III 545SD Guia Del Usuario

Shure UNIDYNE III 545SD Guia Del Usuario

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GENERAL
R
The UNlDYNE
III Model 545SD is a dual-impedance, uni-
directional, dynamic microphone. Shipped connected for low-
impedance operation, it features a silent magnetic reed on/off
switch.
The UNlDYNE III is a favorite for instrument pickup and re-
cording, and can be used on lecterns for public address sys-
tems such as those used in political conventions and legisla-
tures, convention halls, hotels, public auditoriums, stadiums,
schools, and churches.
FEATURES
S
Exceptionally uniform cardioid pattern minimizes feedback
in PA applications
S
Selectable dual–impedance operation
S
Silent magnetic reed on/off switch with lock option
S
Cardioid dynamic
S
Frequency response: 50 to 15,000 Hz
CONNECTIONS
When using the microphone with a balanced input, pins 2
and 3 are the audio signal carriers. When using the microphone
with an unbalanced input, use a cable wired with pin 2 as the sig-
nal carrier and pin 3 connected to the cable shield (ground),
such as the Shure C20HZ high-impedance cable.
IMPEDANCE SELECTION
The microphone is shipped connected for low impedance
operation. To change to high impedance, proceed as follows
(refer to Figure 1):
1.
Remove plug element at receptacle end of microphone by
turning slotted setscrew in (counterclockwise) and carefully
withdrawing plug element from case.
2.
Disconnect 2–terminal impedance selection socket from
rear of plug element.
3.
Reconnect 2–terminal impedance selection socket in re-
verse position so that pin 3 of plug element is inserted in
socket terminal "H" (White).
4.
Reassemble plug element into microphone and seal set-
screw securely by turning out (clockwise).
2001, Shure Incorporated
27C3059 (AG)
UNIDYNE
SET SCREW
Î Î Î Î Î Î Î Î Î
Î Î Î Î Î Î Î Î Î
Î Î Î Î Î Î Î Î Î
Î Î Î Î Î Î Î Î Î
Î Î Î Î Î Î Î Î Î
IMPEDANCE SELECTION—
RECEPTACLE END OF MICROPHONE
POLARITY
All cables and microphones should be tested to ensure
that they have the same polarity. To test two microphones
and/or their cables for proper polarity, connect them to an ampli-
fier and talk or sing into them while holding them three or four
inches apart. The sound from the speakers should be the same
when talking into either microphone or directly between them.
If the sound drops drastically, or if a dead spot is found when
talking between the two microphones, either the microphones
or their cables have opposite polarity.
To change the polarity of a microphone cable, either use
a Shure A15PRS phase reverser or interchange the wires con-
nected to pins 2 and 3 of the three-pin connector at one end of
the cable. To change the polarity of a microphone, the micro-
phone cartridge leads must be interchanged. This should be
performed by your dealer, the Shure Factory Service Depart-
ment, or other qualified service personnel.
SPECIFICATIONS
Type
Dynamic
Frequency Response
50 to 15,000 Hz (see Figure 2)
Polar Pattern
Cardioid (unidirectional)—uniform with frequency, sym-
metrical about axis (see Figure 3)
lmpedance
Dual. Microphone rating impedance is 150 ohms (250
ohms actual) for connection to microphone inputs rated
at 19 to 300 ohms and "High" for connection to high-im-
pedance microphone inputs.
Wired for low impedance as supplied. To change impe-
dance, see sections on lmpedance Selection and Con-
nections.
Output Level (at 1,000 Hz)
Open Circuit Voltage*
*0 dB = 1 volt per Pascal (1 Pa = 94 dB SPL)
III Model 545SD
User Guide
PIN 3
IMPEDANCE
SELECTION SOCKET
FIGURE 1
"L"
. . . . . . . . .
–58.0dB
–35.0 dB
(1.3 mV)
(17.6 mV)
Printed in Mexico
PLUG
ELEMENT
"H"

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  • Página 1 To change the polarity of a microphone cable, either use FEATURES a Shure A15PRS phase reverser or interchange the wires con- Exceptionally uniform cardioid pattern minimizes feedback nected to pins 2 and 3 of the three-pin connector at one end of in PA applications the cable.
  • Página 2 ....... . RK169P The microphone shall be the Shure Model 545SD-LC or Screen and Grille .
  • Página 3 Pour changer la polarité d’un câble de microphone, utiliser AVANTAGES un inverseur de phase Shure A15PRS ou permuter les fils rac- La configuration cardioïde exceptionnellement uniforme cordés aux broches 2 et 3 du connecteur à trois broches à une réduit l’effet Larsen dans les applications de sonorisation...
  • Página 4 63.5 mm 93.3 mm Les dimensions hors–tout du microphone sont les suivan- tes : 157 mm en longueur et 31,9 mm de diamètre. Le microphone doit être le modèle Shure 545SD–LC ou 31.9 mm 23.2 mm l’équivalent. INTERRUPTEUR CAPSULE...
  • Página 5: Technische Eigenschaften

    Außergewöhnlich gleichförmige Nierenrichtcharakteristik Zum Ändern der Polarität eines Mikrofonkabels entweder verringert Rückkopplung bei PA–Anwendungen auf ein Mi- ein Phasenumkehrgerät Shure A15PRS verwenden oder die an nimum die Pins 2 und 3 des dreipoligen Steckers angeschlossenen Wählbarer Doppelimpedanzbetrieb Drähte an einem Ende des Kabels vertauschen. Zum Ändern der Polarität eines Mikrofons müssen die Leitungen der Mikro-...
  • Página 6 156.8 mm winde eignet. 63.5 mm 93.3 mm Die Gesamtabmessungen des Mikrofons betragen 157 mm (Länge) und 31,9 mm (Durchmesser). Bei dem Mikrofon handelt es sich um das Modell Shure 31.9 mm 23.2 mm 545SD–LC oder ein gleichwertiges Modell. ZUNGEN- KAPSEL TRANSFORMATOR XLR–STECKER...
  • Página 7: Conexiones

    2 porte la señal y cuya clavija 3 se conecte al 50 a 15.000 Hz (vea la Figura 2) blindaje del cable (tierra), tal como el cable Shure C20HZ de al- ta impedancia. SELECCION DE NIVEL DE IMPEDANCIA El micrófono se entrega preparado para funcionamiento...
  • Página 8 Las dimensiones generales del micrófono serán de 157 mm (6– pulg) de largo y 31,9 mm (1– pulg) de diámetro. 31.9 mm 23.2 mm El micrófono será Shure modelo 545SD–LC, o uno equi- valente. DIMENSIONES GENERALES INTERRUPTOR CAPSULA TRANSFORMADOR CONECTOR XLR FIGURA 4 DE LENGÜETA...
  • Página 9: Dati Tecnici

    Per cambiare la polarità di un cavo microfonico, adoperate Il diagramma a cardioide di uniformità eccezionale riduce un invertitore di fase Shure A15PRS o scambiate i conduttori al minimo l’effetto del feedback in applicazioni con impianti collegati ai piedini 2 e 3 del connettore a tre contatti. Per cam- di diffusione sonora.
  • Página 10 ”–27. 63.5 mm 93.3 mm Le dimensioni complessive sono (lunghezza x diametro): 157 x 31,9 mm. 31.9 mm 23.2 mm Il microfono è uno Shure modello 545SD–LC o equivalen- INTERRUTTORE CAPSULA TRANSFORMATORE CONNETTORE XLR DIMENSIONI COMPLESSIVE REED FIGURA 4...
  • Página 11 SHURE Incorporated Web Address: http://www.shure.com 222 Hartrey Avenue, Evanston, IL 60202–3696, U.S.A. Phone: 847-866–2200 Fax: 847-866-2279 In Europe, Phone: 49-7131-72140 Fax: 49-7131-721414 In Asia, Phone: 852-2893-4290 Fax: 852-2893-4055 Elsewhere, Phone: 847-866–2200 Fax: 847-866-2585...

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