Shure UA830 Manuel utilisateur

Printed in U.S.A.

27D8643 (Rev. 9) Printed in U.S.A.

SHURE MODEL UA830

UHF IN-LINE RF AMPLIFIER

SHURE MODÈLE UA830

UHFAMPLIFICATEUR D'ANTENNE EN LIGNE RF

SHURE MODELL UA830

UHF IM ZEILE HF-ANTENNENVERSTÄRKER

MODELO UA830 DE SHURE

AMPLIFICADOR DE ANTENAS EN LINEA RF

MODELLO UA830 SHURE

UHF IN AMPLIFICATORE AD ANTENNA IN LINEA RF

GENERAL

The Shure UA830 is a low-noise, in-line antenna amplifier. The UA830

is intended for remote-mounting antennas to a Shure Model UR4 or ULX

receiver or Model UA845, or UA844 distribution amplifier in a large in-

stallation, effectively shortening the distance from the transmitters. The

unit receives power through its output port from the Shure receiver or

distribution amplifier. When an antenna is remote-mounted, the UA830

amplifies the received radio signals to compensate for insertion loss in

the coaxial cable. A gain selector switch adjusts for longer lengths of co-

axial cable.

FEATURES

• Compatible with the Shure Model UR4 or ULX wireless

microphone receiver and the Shure Model UA845, or UA844

Antenna Distribution System

• Mountable on supplied desk-/wall-mount or on a microphone

stand

• Two-position gain selector switch to adjust for longer coaxial cable

lengths (3 dB position for cables under 7 1/2 m [25 ft], 10 dB

position for cables over 7 1/2 m [25 ft])

• Isolates antennas from cable interactions

• Extremely durable under the heaviest use

• Shure quality, ruggedness, and reliability

APPLICATION

IMPORTANT: DO NOT USE INFORMATION

This device must not be used with antennas or other

devices that have a DC short circuit at their feed point without using an

external (BNC) DC Block. A suitable BNCDC Block is the JFW Industries Model

50DB-002.

Techniques will vary from setup to setup according to different situa-

tions. Usually, the antennas should be as far apart as possible, creating

the widest RF field and ensuring signal reception. In a diversity system

such as the Shure Model UR4, as in the example in Figure 1, Shure rec-

ommends that the two antennas be positioned at 45°angles pointing

away from each other (Figure 1). This way, the system is guaranteed the

widest possible RF field, minimizing the chance of the RF signal drop-

ping out. As a general recommendation, positioning should be tested

and adjusted for each individual setup.

IN A DIVERSITY SYSTEM

FIGURE 1

antenna A in

12.7V out

150mA

receiver outputs

200Ω

lift

GND

line

mic

antenna B in

12.7V out

150mA

network

activity

networking

ethernet

RJ-45

INSTALLATION

1. Thread the Shure Model UA830 unit on the supplied stand (Figure

2), or on a 5/8 in.-27 thread microphone stand.

2. Connect the antenna to the TO ANTENNA port on the Model UA830

unit (Figure 2).

3. Using 50 W low-loss coaxial cable (purchased separately, Shure

UA825 or UA850 or UA8100 recommended), connect the TO

RECEIVER port of the UA830 to the Shure Model UR4 or ULX

wireless receiver or UA845, or UA844 Antenna Distribution System

(see Figure 3 for UR4 Receiver example).

4. If a second UA830 Line Amplifier is needed for extremely long cable

runs (over 15 m [50 ft]), (Shure model UR4 and UA845 only) repeat

steps 1 to 3. See Adjusting for Different Cable Lengths.

ATTACHING THE BASE AND ANTENNA

FIGURE 2

CONNECTING THE RECEIVER

FIGURE 3

TO ANTENNA

antenna A in

12.7V out

150mA

receiver outputs

200Ω

lift

GND

line

mic

antenna B in

12.7V out

150mA

network

activity

networking

ethernet

RJ-45

TO RECEIVER

ANTENNA IN

UR4 WIRELESS

RECEIVER

WALL MOUNTED

MIC-STAND MOUNTED

ADJUSTING FOR DIFFERENT CABLE LENGTHS

FIGURE 4

The longer the coaxial cable connecting the UA830 unit and the receiver

or distribution amplifier, the greater the possibility for signal loss. The

UA830 comes with a GAIN switch that can compensate for signal loss

in longer cables. Shure recommends using the Shure UA825 or UA850

or UA8100 coaxial cable when remote mounting antennas. NOTE: Use

only 50Ωlow-loss cables (RG-8 or equivalent).

Set the switch according to these guidelines:

• UA825 Extension Cable (7.6 m [25 ft])-Set GAIN switch in 3 dB

position.

•UA850 Extension Cable (15.2 m [50 ft])-Set GAIN switch in 10

dB position.

• UA8100 Extension Cable (30.4 m [100 ft])-Set GAIN switch in

10 dB position.

• If over 15.2 m (50 ft) is required, a maximum of two UA830's

(Shure model UR4 and UA845 only) may be chained together.

See Figure 5. The Gain switches for each UA830 must be

adjusted separately. No more than two may be chained.

CHAINING TWO UA830’s

FIGURE 5

*To maintain Shure UA825 and UA850 or UA8100 cables in top

condition in permanent installations:

• Avoid sharp bends or kinks in the cables.

• Do not deform cables with makeshift clamps, such as bending a

nail over the cable.

• Do not use cables in permanent outdoor installations

•

Do not expose cables to extreme mois

ture

+10 dB

+3 dB

TO ANTENNA

INPUT

*SEE NOTE ON CABLES

RECEIVER

ANTENNA

SPECIFICATIONS

RF Frequency Range

UA830A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 782-810 MHz

UA830KK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 838-862 MHz

UA830C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800-830 MHz

UA830D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 774-782 MHz

UA830UB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 692-716 MHz

UA830WB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 470-900 MHz

UA830USTV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 470-698 MHz

UA830X. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 944-952 MHz

Power Consumption (12 Vdc)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.6 to 0.72 W

Signal Gain

Gain switch at 3 dB: . . . . . . . . . . . . . . . . . . . . . . . .3.0 dB ±2.0 dB

Gain switch at 10 dB: . . . . . . . . . . . . . . . . . . . . . . . 10 dB ±2.0 dB

Third Order Intercept Point (3 OIP)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 dBm Min.

Connectors

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Female, BNC-type

Dimensions (without accessories)

66.7 mm high x 31.75 mm wide x 112 mm deep (2.625 x 1.250 x 4.40

inches), 108 mm (4.25 in.) high w/mounting stand

Case

. . . . . . . . . . . . . . . . . . . . . . . . . Aluminum die-casting, black painted

Swivel Adapter

Positive-action, break-resistant, adjustable from 0°to 90°, with standard

5/8 in.-27 thread

Net Weight (without cable)

Without mounting stand: . . . . . . . . . . . . . . . . . . . . . 0.28 kg (9.8 oz)

With mounting stand: . . . . . . . . . . . . . . . . . . . . . . . 0.42 kg (14.8 oz)

REPLACEMENT PARTS

Mounting Base ....................................................................A13HDB

For additional service or parts information, please contact Shure's Ser-

vice department at 1-800-516-2525. Outside the United States, please

contact your authorized Shure Service Center.

CERTIFICATION

UA830: Eligible for CE Marking. Meets requirements of EMC Standard

EN 301 489 Parts 1 and 9. Meets the essential requirements of the Eu-

ropean R&TTE Directive 99/5/EC.

THIS RADIO EQUIPMENT IS INTENDED FOR USE IN

MUSICAL PROFESSIONAL ENTERTAINMENT AND SIMI-

LAR APPLICATIONS.

NOTE: THIS RADIO APPARATUS MAY BE CAPABLE OF

OPERATING ON SOME FREQUENCIES NOT

AUTHORIZED IN YOUR REGION. PLEASE CONTACT

YOUR NATIONAL AUTHORITY TO OBTAIN

INFORMATION ON AUTHORIZED FREQUENCIES FOR

WIRELESS MICROPHONE PRODUCTS IN YOUR

REGION.

SHURE Incorporated http://www.shure.com

United States, Canada, Latin America, Caribbean:

5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A.

Phone: 847-600-2000

U.S. Fax: 847-600-1212

Intl Fax: 847-600-6446

Europe, Middle East, Africa:

Shure Europe GmbH, Phone: 49-7131-72140

Fax: 49-7131-721414

Asia, Pacific:

Shure Asia Limited, Phone: 852-2893-4290

Fax: 852-2893-4055

SHURE Incorporated http://www.shure.com

États-Unis, Canada, Amérique latine, Caraïbes :

5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A.

Téléphone : 847-600-2000

Télécopie aux États-Unis : 847-600-1212

Télécopie internationale : 847-600-6446

Europe, Moyen-Orient, Afrique :

Shure Europe GmbH, Téléphone : 49-7131-72140

Télécopie : 49-7131-721414

Asie, Pacifique :

Shure Asia Limited, Téléphone : 852-2893-4290

Télécopie : 852-2893-4055

SHURE Incorporated http://www.shure.com

Estados Unidos, Canadá, Latinoamérica, Caribe:

5800 W. Touhy Avenue, Niles, IL 60714-4608, EE.UU.

Teléfono: 847-600-2000 (dentro de los EE.UU.)

Fax: 847-600-1212

Fax internacional: 847-600-6446

Europa, Medio Oriente, Africa:

Shure Europe GmbH, teléfono: 49-7131-72140

Fax: 49-7131-721414

Asia, Pacífico:

Shure Asia Limited, teléfono: 852-2893-4290

Fax: 852-2893-4055

SHURE Incorporated http://www.shure.com

Stati Uniti, Canada, America latina, Caraibi:

5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A.

Numero telefonico: 847-600-2000

Fax U.S.A.: 847-600-1212

Fax internazionale: 847-600-6446

Europa, Medio Oriente, Africa:

Shure Europe GmbH, numero telefonico: 49-7131-72140

Fax: 49-7131-721414

Asia, Pacifico:

Shure Asia Limited, numero telefonico: 852-2893-4290

Fax: 852-2893-4055

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