2
ENGLISH
DESCRIPTION
Shure PA Series UHF Antenna Combiners combine antenna out-
puts from up to four PSM wireless transmitters to a single antenna,
minimizing intermodulation distortion and reducing rack clutter.
CONNECTIONS
1. Using the cables supplied with each PSM Transmitter, connect
the ANTENNA OUT of each PSM Transmitter to the INPUTS
of the PA Antenna Combiner.
2. Attach the antenna (one supplied with each PSM Transmitter),
or an optional directional antenna such as the Shure Model
PA805WB, to the ANTENNA OUT connector of the PA
Antenna Combiner.
3. Run the supplied power cable from the power connector to a
power supply.
SPECIFICATIONS
UHF Carrier Frequency Range
System Gain
0 dB (+2 dB, –4 dB)
Input/Output Port VSWR
Less than 1.7:1
Output Port Isolation
Greater than 23 dB
Third Order Intercept Point (3 OIP)
Greater than 25 dBm
Input AC Line Voltage
100 to 240 Vac, 50/60 Hz (country dependent)
NOTE:
This product is not completely disconnected from the
mains when the power switch is in OFF position.
Maximum Input Current
0.5 Aac
Maximum RF Input Power
+20 dBm (100 mW)
Impedance
50
Ω
nominal
Operating Temperature Range
–7
°
C to +49
°
C
Overall Dimensions
44.5 mm high x 197.4 mm wide x 225.6 mm deep
(1.75 in. x 7.770 in. x 8.880 in.)
Net Weight
1.34 Kg (2 lbs, 15.4 oz)
Input/Output Connector Type
BNC-type (4 input, 1 output)
! IMPORTANT SAFETY INSTRUCTIONS !
1.
READ these instructions.
2.
KEEP these instructions.
3.
HEED all warnings.
4.
FOLLOW all instructions.
5.
DO NOT use this apparatus near water.
6.
CLEAN ONLY with dry cloth.
7.
DO NOT block any ventilation openings. Install in accordance with the manu-
facturer's instructions.
8.
DO NOT install near any heat sources such as radiators, heat registers, stoves,
or other apparatus (including amplifiers) that produce heat.
9.
DO NOT defeat the safety purpose of the polarized or grounding-type plug. A
polarized plug has two blades with one wider than the other. A grounding type
plug has two blades and a third grounding prong. The wider blade or the third
prong are provided for your safety. If the provided plug does not fit into your out-
let, consult an electrician for replacement of the obsolete outlet.
10.
PROTECT the power cord from being walked on or pinched, particularly at plugs,
convenience receptacles, and the point where they exit from the apparatus.
11.
ONLY USE attachments/accessories specified by the manufacturer.
12.
13.
UNPLUG this apparatus during lightning storms or when unused for long periods of
time.
14.
REFER all servicing to qualified service personnel. Servicing is required when the
apparatus has been damaged in any way, such as power-supply cord or plug is dam-
aged, liquid has been spilled or objects have fallen into the apparatus, the apparatus
has been exposed to rain or moisture, does not operate normally, or has been
dropped.
15.
DO NOT expose the apparatus to dripping and splashing. DO NOT put objects filled
with liquids, such as vases, on the apparatus.
16.
The MAINS plug or an appliance coupler shall remain readily operable.
17.
The airborne noise of the apparatus does not exceed 70dB (A).
18.
Apparatus with CLASS I construction shall be connected to a MAINS socket outlet
with a protective earthing connection.
19.
To reduce the risk of fire or electric shock, do not expose this apparatus to rain or
moisture.
20.
Do not attempt to modify this product. Doing so could result in personal injury
and/or product failure.
USE only with a cart, stand, tripod, bracket, or table
specified by the manufacturer, or sold with the
apparatus. When a cart is used, use caution when
moving the cart/apparatus combination to avoid
injury from tip-over.
This symbol indicates that dangerous voltage constituting a
risk of electric shock is present within this unit.
This symbol indicates that there are important operating and
maintenance instructions in the literature accompanying this unit.
WARNING:
Voltages in this equipment are hazardous to life. No user-serviceable parts inside. Refer all servicing to qualified service personnel. The
safety certifications do not apply when the operating voltage is changed from the factory setting.
PA Antenna Combiner
PSM Transmitters
Model Number
Frequency Range
PA760
620 to 670 MHz
PA765
800 to 870 MHz
PA770
720 to 750 MHz