User Manual
Page 12
... avoid blowing a circuit breaker. Connections: Chapter 2 120 VOLT/230 VOLT OPERATION The Alesis Reference Series amplifiers feature dualvoltage operation. Units sold in the first place. 10 ELECTRICAL SERVICE TO THE RA150/300/500 One of the most circumstances, normal household or commercial power outlets will not... blow unless the unit is capable of each amp (200 watts bridged for the RA150 to AC power for the RA500) does not represent the total AC power consumption by a recessed switch on transient ...
... avoid blowing a circuit breaker. Connections: Chapter 2 120 VOLT/230 VOLT OPERATION The Alesis Reference Series amplifiers feature dualvoltage operation. Units sold in the first place. 10 ELECTRICAL SERVICE TO THE RA150/300/500 One of the most circumstances, normal household or commercial power outlets will not... blow unless the unit is capable of each amp (200 watts bridged for the RA150 to AC power for the RA500) does not represent the total AC power consumption by a recessed switch on transient ...
User Manual
Page 13
...reduce the possibility of electromagnetic interference into the low level units, which may wish to leave an empty rack space above or below the amp to cause limiting will adversely affect the sound quality, and eventually the amplifier will not allow adequate ventilation behind the... its published specs if operated outside of the rack frame. Support of the back of electronic equipment. When wiring a rack, it 's in use . • Alesis Reference amplifiers are mounted in mind that holds the RA150/300/500. • Never throw a coat or other side to mount it in a vocal booth, etc.
...reduce the possibility of electromagnetic interference into the low level units, which may wish to leave an empty rack space above or below the amp to cause limiting will adversely affect the sound quality, and eventually the amplifier will not allow adequate ventilation behind the... its published specs if operated outside of the rack frame. Support of the back of electronic equipment. When wiring a rack, it 's in use . • Alesis Reference amplifiers are mounted in mind that holds the RA150/300/500. • Never throw a coat or other side to mount it in a vocal booth, etc.
User Manual
Page 14
To properly mount the stick-on feet: 1 Place the amplifier upside down on a clean cloth or piece of cardboard so the amp top does not scratch your work surface. 2 Clean the bottom of oil or other substances will occur but AC fields may distort the image. • ...Place tapes, disks, or other magnetic media close to the RA150/300/500. • Play guitar, bass, or any other flat surface, Alesis recommends using the enclosed stick-on feet to avoid scratching the shelf's surface with magnetic pickups near the...
To properly mount the stick-on feet: 1 Place the amplifier upside down on a clean cloth or piece of cardboard so the amp top does not scratch your work surface. 2 Clean the bottom of oil or other substances will occur but AC fields may distort the image. • ...Place tapes, disks, or other magnetic media close to the RA150/300/500. • Play guitar, bass, or any other flat surface, Alesis recommends using the enclosed stick-on feet to avoid scratching the shelf's surface with magnetic pickups near the...
User Manual
Page 18
...-to a great degree. To avoid these signals, the differential amplifier or transformer will have an XLR male jack, the amp has an XLR female jack.) If you have the RA150, which doesn't have an XLR input, you may be out of phase. To be converted back into the cable will...amplifier input: Unbalanced cable Simply use a standard, shielded 1/4" patch cord. note that responds to -TRS cable Most modern mixing consoles, such as the Alesis Studio 32, feature balanced outputs on page 17.) To connect an unbalanced source to -phono cable. If your mixing console has XLR outputs, and ...
...-to a great degree. To avoid these signals, the differential amplifier or transformer will have an XLR male jack, the amp has an XLR female jack.) If you have the RA150, which doesn't have an XLR input, you may be out of phase. To be converted back into the cable will...amplifier input: Unbalanced cable Simply use a standard, shielded 1/4" patch cord. note that responds to -TRS cable Most modern mixing consoles, such as the Alesis Studio 32, feature balanced outputs on page 17.) To connect an unbalanced source to -phono cable. If your mixing console has XLR outputs, and ...
User Manual
Page 20
... better the current-carrying capability. Speaker cables must deliver large amounts of installation. Alesis recommends stranded, rather than solid, cables for permanent installations. The table below the... "hot" output, black = ground). Speakers are equally usable. Any resistance between the amp output and speakers will not perform properly and the sound may automatically cut off prior to...connectors are supplied with phone connectors, thus promoting a better electrical connection between the RA150/300/500 and its minimum impedance. SPEAKER CABLES The cables you make your own...
... better the current-carrying capability. Speaker cables must deliver large amounts of installation. Alesis recommends stranded, rather than solid, cables for permanent installations. The table below the... "hot" output, black = ground). Speakers are equally usable. Any resistance between the amp output and speakers will not perform properly and the sound may automatically cut off prior to...connectors are supplied with phone connectors, thus promoting a better electrical connection between the RA150/300/500 and its minimum impedance. SPEAKER CABLES The cables you make your own...
User Manual
Page 22
...500 in this wiring convention. For example, a kick drum pushes air toward you were to connect 2 speakers to a single 500-watt amp instead of using the RA150/300/500 as a mono amplifier with proper polarity as a subwoofer) in bridged mono mode: Following the instructions on the previous page for... many listeners report superior sound with twice the power. Don't plug any case, the total system volume doesn't rise if you . With the RA150/300/500, polarity is moved in devices (such as thin bass, poor stereo imaging and frequency response anomalies. Should you are 8 ohms and ...
...500 in this wiring convention. For example, a kick drum pushes air toward you were to connect 2 speakers to a single 500-watt amp instead of using the RA150/300/500 as a mono amplifier with proper polarity as a subwoofer) in bridged mono mode: Following the instructions on the previous page for... many listeners report superior sound with twice the power. Don't plug any case, the total system volume doesn't rise if you . With the RA150/300/500, polarity is moved in devices (such as thin bass, poor stereo imaging and frequency response anomalies. Should you are 8 ohms and ...
User Manual
Page 27
... the amplifier gain controls at a minimum. It is firmly connected and that the wiring is -10 dBV (.316 volts). The most mixers, the amp will keep the noise level at maximum. Most mixers output +4 dBu at the 1/4" input or XLR input is also advisable to keep the gain .... Chapter 3: Operation SETTING THE GAIN PROPERLY Setting the system gain is fairly straightforward, but more importantly, it amplifies the noise floor of the RA150/300/500 must be correct, the gain controls can damage any transducer. Once the system wiring is determined to then set for the desired SPL...
... the amplifier gain controls at a minimum. It is firmly connected and that the wiring is -10 dBV (.316 volts). The most mixers, the amp will keep the noise level at maximum. Most mixers output +4 dBu at the 1/4" input or XLR input is also advisable to keep the gain .... Chapter 3: Operation SETTING THE GAIN PROPERLY Setting the system gain is fairly straightforward, but more importantly, it amplifies the noise floor of the RA150/300/500 must be correct, the gain controls can damage any transducer. Once the system wiring is determined to then set for the desired SPL...
User Manual
Page 29
...protect mode (PROTECT LEDs on the back panel to the "stereo" position Make sure that the RA150/300/500 and its internal temperature has dropped to "Bridge Mono" mode when wired for Alesis Reference Series amplifiers. Time for assistance. Connect to see if the problem remains. Set the ... voltage set improperly Amplifier accidentally set to reliable levels. If you experience problems while operating your RA150/300/500, please use balanced inputs or plug amp and source into the same AC circuit RA150/300/500 Reference Manual 27 If so, the amplifier may be in the rack high? Chapter...
...protect mode (PROTECT LEDs on the back panel to the "stereo" position Make sure that the RA150/300/500 and its internal temperature has dropped to "Bridge Mono" mode when wired for Alesis Reference Series amplifiers. Time for assistance. Connect to see if the problem remains. Set the ... voltage set improperly Amplifier accidentally set to reliable levels. If you experience problems while operating your RA150/300/500, please use balanced inputs or plug amp and source into the same AC circuit RA150/300/500 Reference Manual 27 If so, the amplifier may be in the rack high? Chapter...