1. Security Precautions ◎ Carefully to READ the instruction in this manual before use. ◎ Certainly to OBSERVE the INSTRUCTION in this manual regard convention of safety symbols and messages. ◎ Please KEEP this user MANUAL nearby for anytime reference. Safety symbol and Message Conventions Below-described safety symbol and messages are to prevent bodily injury and property damage.
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▓ ▓ ▓ ▓ When using the Amplifier When found following irregular situation during amplifier is in use, immediately switch off the power, disconnect the power supply plug from the AC outlet. Don’t try to operate the amplifier again. Contact your local dealer to check the amplifier. The amplifier falls.
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Description QSB-6xxE series booster amplifiers cover models from 120W RMS to 480W RMS. This manual is for 360W QSB-636E and 480W QSB-648E. QSB-6xxE series is easy to use booster amplifier. It has one phone jack and one XLR jack as input; and the same as output. And there is one screw speaker output terminal for the direct connection to 8 ohm, or 70V, or 100V speaker.
3. Panel Description FRONT PANEL DESCRIPTION 1. Power On Indicator LED 3. Power Switch 2. Level Indicator LED REAR PANEL DESCRIPTION 1. AC Fuse 8. XLR Output Jack 2. AC Power Input Socket 9. Parallel/Mono Selection Switch 10. Sensitivity (100mV /1V) Selection Switch 3.
4. Features Easy to use booster Amplifier 8 ohm, 70V and 100V speaker output One XLR and Phone jack for input and output Sensitivity Selection Switch Overload, over temperature, and speaker short protection. AC or DC power in 3U height 19”...
After all connections are completed, turn on the power. If necessary, turn the level control of the source device to what you desire. 8. Technical Specification Type Booster Amplifier Model QSB-636E QSB-648E Output Power (RMS) 360W 480W Power Supply Main Voltage...
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