User manual qsb-636e qsb-648e booster amplifier.
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-desc...
▓ ▓ ▓ ▓ 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...
■ when using the amplifier make sure that the volume control is turned to minimum position before power is switched on. Loud sound produced at high volume when power is switched on may impair hearing. Do not place heavy objects on the amplifier, for it may cause it fall and may result in body injury...
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 3. Earth connection screw 10. Sensitivity (100mv /1v) selection switch 4. Ac v...
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” rack or table mounted 5. Power source ac power source the su...
7. Operation 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 main voltage ac 115v or 230v 50/60hz power supply ...
