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OWNERS MANUAL
PROFESSIONAL POWER AMPLIFIER
C H 1 L E V E L
C H 1 L E V E L
O N
O N
B R I D G E
B R I D G E
P O W E R
P O W E R
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
M I N
M A X
M A X
O F F
O F F
M O N O
M O N O
C H 1 L E V E L
C H 1 L E V E L
O N
O N
B R I D G E
B R I D G E
P O W E R
P O W E R
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
M I N
M A X
M A X
O F F
O F F
M O N O
M O N O
C H 1 LE V E L
C H 1 LE V E L
O N
BR ID G E
BR ID G E
P O W E R
P O W E R
STE R E O
STE R E O
P R O TE C T
P R O TE C T
M IN
M IN
M A X
O F F
O F F
M O N O
M O N O
USB 7132
USB 7133
USB 7134
C H 2 L E V E L
C H 2 L E V E L
USB 7132
M I N
M I N
M A X
M A X
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 2 L E V E L
C H 2 L E V E L
USB 7133
M I N
M I N
M A X
M A X
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 2 LE V E L
C H 2 LE V E L
M IN
M A X
USB 7134
2 C H A N N E L S /1 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
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Table of Contents
Related Manuals for US Blaster USB 7132
Summary of Contents for US Blaster USB 7132
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Page 1: Owners Manual
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 USB 7132 M I N M A X M A X O F F... - Page 2 Front Panel Rear Panel These series of amplifiers are high performance professional power amplifiers, USB 7132/7133 amplifiers are housed in the same size 1U cases while USB 7134 is in 2U cases. comes with featu- res of light, All amplifiers come with powerful supplies along with massive heat-sinks and cooling fans.
- Page 3 USB 7132 / 7133 / 7134 Professional Power Amplifier Dimension: 482.5mm(19.0 inch) MOUNTING wide (Including mounting ear), 44mm(1.7 inch)high for USB 7132/7133, 88.8mm(3.5 inch) high for USB 7134 487.7mm (19.2 inch) deep(for USB 7132/7133/7134 Including protru- ding adjusting knob & rear hook- up).
- Page 4 IMPORTANT! The US Blaster amplifiers are designed to use 50Hz AC power. Acceptable AC input supply Voltage ranges from 200V to 250V The application of voltages above those specified may cause permanent damage that is not covered by your warranty.
- Page 5 USB 7132 / 7133 / 7134 Professional Power Amplifier FEATURES 1. Rack Mounting Ears Two front-panel mounting holes are provided on each mounting ear. 2. Channel Level Attenuator for CH 1 The input attenuator adjusts level for CH 1. In bridged mono the channel 1 attenuator , controls overall signal level.
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Page 6: Rear Panel
USB 7132 / 7133 / 7134 Professional Power Amplifier REAR PANEL 1. Fan The fan operates continuously while the amp is on. An internal temperature sensor increases the speed of the fan during high temperature conditions. Air enters through the rear of the amp and exits through the front grill. -
Page 7: Operation Modes
USB 7132 / 7133 / 7134 Professional Power Amplifier OPERATION MODES Choosing the appropriate mode Stereo Special consideration when using Bridged mode Bridged Mode Selection The two -position Mode Select switch (located on the rear panel) configures the amplifier for Stereo or Bridged mode. - Page 8 USB 7132 / 7133 / 7134 Professional Power Amplifier CONNECTIONS Female XLR 1. Ground 2. Negative 3. Positive Very high current is available at Female XLR the outputs. Tip - positive Please connect your output cable to the + and - terminals...
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Page 9: Unbalanced Operation
USB 7132 / 7133 / 7134 Professional Power Amplifier INPUTS For each channel, there is a 1/4 phone jack socket and female XLR socket provided for signal input on the rear panel of the amplifier. Each is electronically balanced at an impedance greater than 20k ohms. - Page 10 USB 7132 / 7133 / 7134 Professional Power Amplifier OUTPUT Stereo mode Output binding post 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 .
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Page 11: Safety Information
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. -
Page 12: Calculating Impedance
USB 7132 / 7133 / 7134 Professional Power Amplifier CALCULATING IMPEDANCE Measured in ohms, impedance is a measure of AC resistance. Loudspeakers generally come in 16, 8 or 4 ohm varieties. Amplifiers have a low limit to what impedance they can drive without being overloaded, there is not usually an upper limit. -
Page 13: User Responsibility
USB 7132 / 7133 / 7134 Professional Power Amplifier USER RESPONSIBILITY Your PA600/800/1400 series amplifier is very powerful and can be potentially dangerous to loud- speakers and operators alike. It is your responsibility to read important precautions and make sure that the amplifier is installed, wired, and operated properly as instructed in this manual.