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USB 7132 / 7133 / 7134

Professional Power Amplifier

SAFETY INFORMATION

1) Read these instructions and keep it in a handy place for future reference.

2) Be sure to follow all instructions and heed all warnings

3) Clean only with a dry cloth.

4) Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.

5) Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus
that produce heat.

6) 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 groun-
ding prong. The wide blade or the third prong is provided for your safety. If the provided plug does
not fit into your outlet, consult an electrician for replacement of the obsolete outlet.

7) Protect the power cord from being walked on or pinched, particularly at plugs, convenience
receptacles, and the point where they exit from the apparatus.

8) Only use attachments/accessories specified by the manufacturer.

9) Use only with a cart, stand, 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.

10) Unplug this apparatus during lightning storms or when unused for long periods of time.

11) 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 damaged, 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.

DO NOT REMOVE COVERS. NO USER SERVICEABLE PARTS INSIDE.

REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

THIS EQUIPMENT MUST BE GROUNDED. SHOULD NOT BE NECESSARY TO
REMOVE ANY PROTECTIVE GROUND OR SIGNAL CABLE SHIELD CONNECTI-
ONS TO PREVENT GROUND LOOPS. ANY SUCH DISCONNECTIONS ARE OUT-
SIDE THE RECOMMENDED PRACTICE OF GROUND AND WILL RENDER ANY
EMC OR SAFETY CERTIFICATION VOID.

For continued compliance with international EMC legislation ensure thatall input
cables are wired with the cable screen connected to Pin 1 of the XLR connectors
and/or the jack plug sleeve.

WARNING! This equipment can create high sound levels. Exposure without
adequate protection could cause permanent damage to hearing.

© US Blaster Europe BV

Summary of Contents for USB 7132

Page 1: ...L E V E L C H 1 L E V E L M IN M A X M A X M IN M IN M A X M A X O N O N O F F O F F P O W E R P O W E R B R ID G E B R ID G E M O N O M O N O S T E R E O S T E R E O P R O T E C T P R O T E C T C H 2 L E V E L C H 2 L E V E L 2 C H A N N E L S 5 0 0 W A T T S P R O F E S S I O N A L A M P L I F I E R 2 C H A N N E L S 5 0 0 W A T T S P R O F E S S I O N A L A M P L I F I E R C H 1 LEV EL C H 1 LE...

Page 2: ...t are capable of maintaining excellent performance when being driven to their limit with real loudspeaker loads Sonic performance is always in the forefront of our minds and to this end our amplifiers represent the goal of many years work with professional amplifiers Amplifiers have impeccable technical specifications and extensive listening tests by many people with a wide varie ty of loudspeaker...

Page 3: ...your dealer Fan filters should NOT be fitted unless there is likely to be a problem as they require regular cleaning to stop them getting clogged Clogged fan filters will result in the amplifier going into premature temperature protect PLEASE NOTE Users must ensure that glycol based smoke and related substances are not allowed to enter the amplifier Glycol based smoke is HIGHLY corrosive and prolo...

Page 4: ...upply Voltage ranges from 200V to 250V The application of voltages above those specified may cause permanent damage that is not covered by your warranty Lower voltages may cause erratic operation Note that although the amplifier will operate correctly down to the voltages indicated the quoted output power will only be achieved with the stated nominal voltages IMPORTANT The AC power fuse carried on...

Page 5: ...dance speaker load or any other mechanism that causes the output of the amplifier channel to not be as expected by the monitoring circuit The green light turning to red indicates clip 5 Bridged Stereo Indicator A green LED lite indicates a bridged stereo mode is on A red LED lite indicates a mono mode is on 6 Power Switch This switch turns the amp on and off If the amp doesn t turn on when the swi...

Page 6: ...n be connected to the amp via the Phoenix connectors The 1 4 TRS connectors and the Female XLR pin 2 hot connectors Power See Connections 4 Output Connections Speakers can be connected via the high current binding posts and the industry standard Speakon NL 4 connectors Binding posts One pair Red hot Black ground per channel Speakons One connector for each channel In Bridged Mono mode the Speakon c...

Page 7: ... channel monaural amplifier One channel pushes and the other pulls equally increasing the power output over that of either channel alone see Specifications Channel 1 s attenuator is used to control signal level Use extreme caution when operating the amplifier in Bridged mode Never ground either side of the speaker cable when the amplifier is in Bridged mode both sides are hot If an output patch pa...

Page 8: ...nectors or both Stereo Parallel Speaker to PIN 1 or PIN 2 Speaker to PIN 1 or PIN 2 See operation modes US Blaster Europe BV Female XLR 1 Ground 2 Negative 3 Positive Female XLR Tip positive Ring negative Sleeve Ground Very high current is available at the outputs Please connect your output cable to the and terminals of each section precisely as shown ...

Page 9: ... XLR s and the phone jack SLEEVE are internally connected to the chassis The screen of the input cable should always be connected to one of these points to ensure that EMC regulati ons are met The cable shield ground should also be connected to the equipment which is providing the input signal Unbalanced operation When feeding the PA series amplifiers from unbalanced sources connect the signal con...

Page 10: ...ost connection Bridged mono mode Output binding post connection Note if single channel input it can also work but the input sensitivity will be 1 4 times lower than that of both channel inputs Stereo mode Speakon output connection Speaker to PIN 1 Speaker to PIN 1 US Blaster Europe BV ...

Page 11: ...ecified 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 10 Unplug this apparatus during lightning storms or when unused for long periods of time 11 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...

Page 12: ...hm drivers 2 ohms 16 16 8 8 8 4 4 4 2 Table for specification ITEMS CONDITIONS USB 7132 USB 7133 USB 7134 8 Ohms 0 1 200W RMS 300W RMS 450W RMS THD 1KHz x 2 Channel x 2 Channel x 2 Channel 4 Ohms 0 1 300W RMS 400W RMS 700W RMS THD 1KHz x 2 Channel x 2 Channel x 2 Channel OUTPUT 2 Ohms 0 1 400W RMS 500W RMS 900W RMS POWER THD 1KHz x 2 Channel x 2 Channel x 2 Channel Bridged Mono 8 Ohms 0 1 600W RMS...

Page 13: ...to prevent damage or failure Cone or compression drivers can be damaged sometimes to the point of failure by excessive power low frequencies applied to high frequency drivers severely clipped wave forms and DC voltage All Series amplifiers automatically protect speakers from DC voltages and subsonic signals Tour Class Protection The amplifier s clipping point is its maximum peak output power At ma...

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