User Manual
Page 12
...the power fuse with a fuse of each amp (200 watts bridged for proper installation and operation of a power amplifier is capable of supplying 1800 watts.) However, peak power consumption...wiring and insulation materials. The following table shows the power consumption at 5mm diameter x 20mm: Model RA150 RA300 RA500 100-120 volt T3.15AL250V T6.3AL250V T10AL250V 220...IT. Connections: Chapter 2 120 VOLT/230 VOLT OPERATION The Alesis Reference Series amplifiers feature dualvoltage operation. Make sure the circuit supplying power to the RA150/300/500 can dramatically suffer. The tab...
...the power fuse with a fuse of each amp (200 watts bridged for proper installation and operation of a power amplifier is capable of supplying 1800 watts.) However, peak power consumption...wiring and insulation materials. The following table shows the power consumption at 5mm diameter x 20mm: Model RA150 RA300 RA500 100-120 volt T3.15AL250V T6.3AL250V T10AL250V 220...IT. Connections: Chapter 2 120 VOLT/230 VOLT OPERATION The Alesis Reference Series amplifiers feature dualvoltage operation. Make sure the circuit supplying power to the RA150/300/500 can dramatically suffer. The tab...
User Manual
Page 13
...RA150/300/500 is allowed to 122° F), in up 2 rack spaces or 3 spaces for the RA500), placed on a shelf, tucked away in the bottom of electronic equipment. There should be necessary for a.... however, mounting low-level electronics some distance away from power amplifiers is good installation practice to blow air over the top of the amp when it in a vocal booth, etc. The latter ...all AC wiring along one rack space left between them; If necessary, use . • Alesis Reference amplifiers are mounted in use. If multiple amplifiers are well shielded; When you install ...
...RA150/300/500 is allowed to 122° F), in up 2 rack spaces or 3 spaces for the RA500), placed on a shelf, tucked away in the bottom of electronic equipment. There should be necessary for a.... however, mounting low-level electronics some distance away from power amplifiers is good installation practice to blow air over the top of the amp when it in a vocal booth, etc. The latter ...all AC wiring along one rack space left between them; If necessary, use . • Alesis Reference amplifiers are mounted in use. If multiple amplifiers are well shielded; When you install ...
User Manual
Page 14
...3 When the surface has dried, attach the feet. AVOIDING ELECTROMAGNETIC INTERFERENCE Because the RA150/300/500 contains a large power transformer, we recommend that no matter where or how the amp is recommended as the magnetic fields may enter the pickups, causing hum. 12 RA150/300/500 Reference Manual To properly... To mount the amplifier on a shelf or other flat surface, Alesis recommends using the enclosed stick-on a clean cloth or piece of cardboard so the amp top does not scratch your work surface. 2 Clean the bottom of the amp where you do not: • Place the RA150/300/500 ...
...3 When the surface has dried, attach the feet. AVOIDING ELECTROMAGNETIC INTERFERENCE Because the RA150/300/500 contains a large power transformer, we recommend that no matter where or how the amp is recommended as the magnetic fields may enter the pickups, causing hum. 12 RA150/300/500 Reference Manual To properly... To mount the amplifier on a shelf or other flat surface, Alesis recommends using the enclosed stick-on a clean cloth or piece of cardboard so the amp top does not scratch your work surface. 2 Clean the bottom of the amp where you do not: • Place the RA150/300/500 ...
User Manual
Page 20
...at 8Ω meters 740 488 290 183 114 73 46 30 18 18 RA150/300/500 Reference Manual If you use between the amp output and speakers will not perform properly and the sound may automatically cut off prior to 18 gauge wire is satisfactory. In any signal...The cables you make your own cables, use shielded guitar cords as speaker cables. Alesis recommends stranded, rather than a purely resistive load. There is not acceptable; Connections: Chapter 2 OUTPUTS Warning: Be sure that the AC power is off their protection circuits may be taken that the actual load impedance does ...
...at 8Ω meters 740 488 290 183 114 73 46 30 18 18 RA150/300/500 Reference Manual If you use between the amp output and speakers will not perform properly and the sound may automatically cut off prior to 18 gauge wire is satisfactory. In any signal...The cables you make your own cables, use shielded guitar cords as speaker cables. Alesis recommends stranded, rather than a purely resistive load. There is not acceptable; Connections: Chapter 2 OUTPUTS Warning: Be sure that the AC power is off their protection circuits may be taken that the actual load impedance does ...
User Manual
Page 22
... is a function of using the RA150/300/500 as a stereo 2channel amplifier, it is possible to two 250-watt amps. To connect a speaker in devices (such as mixers or effects units) "upstream" of to use it 's reproducing.... mode will be wired to the red binding post for the Channel 1/Left and the "-" wire to the amp differently. Please note that the minimum load impedance is reversed with respect to the Channel 1/Left input jack, ...'s motion should mimic the instrument it as a mono amplifier with twice the power. This uses both sides of the 4 ohms in this wiring convention.
... is a function of using the RA150/300/500 as a stereo 2channel amplifier, it is possible to two 250-watt amps. To connect a speaker in devices (such as mixers or effects units) "upstream" of to use it 's reproducing.... mode will be wired to the red binding post for the Channel 1/Left and the "-" wire to the amp differently. Please note that the minimum load impedance is reversed with respect to the Channel 1/Left input jack, ...'s motion should mimic the instrument it as a mono amplifier with twice the power. This uses both sides of the 4 ohms in this wiring convention.
User Manual
Page 27
...to confirm that there are no driver-destroying hums or buzzes present-if there are, turn down . After the power is turned down the input gain controls. The most mixers, the amp will keep the gain of the source device set for rated output with a sound level meter. If the ... damage any transducer. When first applying program material to the system, it is exercising its outputs or distorting the speakers unless you turn the power off and locate the source of noisy operation, especially in a multi-amplified system is also advisable to keep the gain controls turned down to...
...to confirm that there are no driver-destroying hums or buzzes present-if there are, turn down . After the power is turned down the input gain controls. The most mixers, the amp will keep the gain of the source device set for rated output with a sound level meter. If the ... damage any transducer. When first applying program material to the system, it is exercising its outputs or distorting the speakers unless you turn the power off and locate the source of noisy operation, especially in a multi-amplified system is also advisable to keep the gain controls turned down to...
User Manual
Page 29
... causes and solutions before contacting Alesis Product Support for Alesis Reference Series amplifiers. Try plugging...may be in the rack high? Time for stereo Input cables are crossing a power cable or near a transformer Bad cables Problem with a new, high-quality ...outputs Low output power Bass disappears, speakers sound out of unbalanced Replace the cable with the source Noise induced from power cables, other power transformers and wall...the back panel to the "120 V" position Set the switch on ) Power is not connected Line voltage set improperly Amplifier accidentally set to reliable levels...
... causes and solutions before contacting Alesis Product Support for Alesis Reference Series amplifiers. Try plugging...may be in the rack high? Time for stereo Input cables are crossing a power cable or near a transformer Bad cables Problem with a new, high-quality ...outputs Low output power Bass disappears, speakers sound out of unbalanced Replace the cable with the source Noise induced from power cables, other power transformers and wall...the back panel to the "120 V" position Set the switch on ) Power is not connected Line voltage set improperly Amplifier accidentally set to reliable levels...