SWA1801 ACTIVE SUBWOOFER SYSTEM USER'S MANUAL ACTIVE LIMIT PARALLEL SIGNAL THERMAL POWER THRU (FULL RANGE OUTPUT) FULL RANGE INPUT SUBWOOFER CONTROL NORMAL HIGH PASS (MID/HIGH FREQ) OUTPUT 120Hz L L SUBWOOFER LEVEL IN R NORMAL OUT R REV 180 PHASE POWER ON SWA1801 ACTIVE SUBWOOFER 115V-AC FUSE AC125V-T6.3A DESIGNED BY MACKOIDS IN WOODINVILLE, WA, USA AND MACKIE EUROPE COPYRIGHT ©2000 · THE FOLLOWING ARE TRADEMARKS OR REGISTERED TRADEMARKS OF LOUD TECHNOLOGIES INC.: "MACKIE", AND THE "RUNNING MAN" FIGURE · PATENT PENDING CAUTION AVIS RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER (OR BACK) NO USER-SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL 9. Power Sources -- This Mackie product should be connected to a power supply only of the type described in these operation instructions or as marked on this Mackie product. 10. Power Cord Protection -- Power supply cords should be routed so that they are not likely to be walked upon or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit this Mackie product. 11. Object and Liquid Entry -- Care should be taken so that objects do not fall on, and liquids are not spilled into, this Mackie product. 12. Damage Requiring Service -- This Mackie product should be serviced only by qualified service personnel when: A. The power-supply cord or the plug has been damaged; or B. Objects have fallen, or liquid has spilled into this Mackie product; or C. This Mackie product has been exposed to rain; or D. This Mackie product does not appear to operate normally or exhibits a marked change in performance; or E. This Mackie product has been dropped, or its chassis damaged. 13. Servicing -- The user should not attempt to service this Mackie product beyond those means described in this operating manual. All other servicing should be referred to the Mackie Service Department. 14. To prevent electric shock, do not use this polarized plug with an extension cord, receptacle or other outlet unless the blades can be fully inserted to prevent blade exposure. Pour prévenir les chocs électriques ne pas utiliser cette fiche polariseé avec un prolongateur, un prise de courant ou une autre sortie de courant, sauf si les lames peuvent être insérées à fond sans laisser aucune pariie à découvert. 15. Grounding or Polarization -- Precautions should be taken so that the grounding or polarization means of this Mackie product is not defeated. 16. Power Precaution -- Unplug this Mackie product during lightning storms or when unused for long periods of time. Note that this Mackie product is not completely disconnected from the AC mains service when the power switch is in the OFF position. 17. This apparatus does not exceed the Class A/Class B (whichever is applicable) limits for radio noise emissions from digital apparatus as set out in the radio interference regulations of the Canadian Department of Communications. ATTENTION --Le présent appareil numérique n'émet pas de bruits radioélectriques dépassant las limites applicables aux appareils numériques de class A/de class B (selon le cas) prescrites dans le règlement sur le brouillage radioélectrique édicté par les ministere des communications du Canada. ATTENTION: POUR EVITER LES RISQUES DE CHOC ELECTRIQUE, NE PAS ENLEVER LE COUVERCLE. AUCUN ENTRETIEN DE PIECES INTERIEURES PAR L'USAGER. CONFIER L'ENTRETIEN AU PERSONNEL QUALIFIE. AVIS: POUR EVITER LES RISQUES D'INCENDIE OU D'ELECTROCUTION, N'EXPOSEZ PAS CET ARTICLE A LA PLUIE OU A L'HUMIDITE The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. Le symbole éclair avec point de flèche à l'intérieur d'un triangle équilatéral est utilisé pour alerter l'utilisateur de la présence à l'intérieur du coffret de "voltage dangereux" non isolé d'ampleur suffisante pour constituer un risque d'éléctrocution. The exclamation point within an equilateral triangle is intended to alert the user of the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. Le point d'exclamation à l'intérieur d'un triangle équilatéral est employé pour alerter les utilisateurs de la présence d'instructions importantes pour le fonctionnement et l'entretien (service) dans le livret d'instruction accompagnant l'appareil. SAFETY INSTRUCTIONS 1. Read Instructions -- All the safety and operation instructions should be read before this Mackie product is operated. 2. Retain Instructions -- The safety and operating instructions should be kept for future reference. 3. Heed Warnings -- All warnings on this Mackie product and in these operating instructions should be followed. 4. Follow Instructions -- All operating and other instructions should be followed. 5. Water and Moisture -- This Mackie product should not be used near water ­ for example, near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, near a swimming pool, swamp or salivating St. Bernard dog, etc. 6. Cleaning -- Clean only with a dry cloth. 7. Ventilation -- This Mackie product should be situated so that its location or position does not interfere with its proper ventilation. For example, the Component should not be situated on a bed, sofa, rug, or similar surface that may block any ventilation openings, or placed in a built-in installation such as a bookcase or cabinet that may impede the flow of air through ventilation openings. 8. Heat -- This Mackie product should be situated away from heat sources such as radiators, or other devices which produce heat. WARNING: The heat sink may reach high temperatures during standard use. To ensure proper operation, allow a minimum of six inches of clearance from the heat sink surface and adequate ventilation. WARNING -- To reduce the risk of fire or electric shock, do not expose this appliance to rain or moisture. WARNING -- The cabinet has no rigging points and is not suitable for flying. Never attempt to suspend the cabinet by its handles. 2 Lend Me Your Ears Exposure to extremely high noise levels may cause permanent hearing loss. Individuals vary considerably in susceptibility to noise-induced hearing loss, but nearly everyone will lose some hearing if exposed to sufficiently intense noise for a period of time. The U.S. Government's Occupational Safety and Health Administration (OSHA) has specified the permissible noise level exposures shown in this chart. According to OSHA, any exposure in excess of these permissible limits could result in some hearing loss. To ensure against potentially dangerous exposure to high sound-pressure levels, it is recommended that all persons exposed to equipment capable of producing these levels use hearing protectors while this unit is in operation. Ear plugs or protectors in the ear canals or over the ears must be worn when operating this amplification system in order to prevent a permanent hearing loss if exposure is in excess of the limits set forth here. Duration Per Day Sound Level dBA, Typical In Hours Slow Response Example 8 6 4 3 2 1.5 1 0.5 0.25 or less 90 92 95 97 100 102 105 110 115 Duo in small club Subway Train Very loud classical music Patrice screaming at Ron about deadlines Loudest parts at a rock concert The SWA1801 can produce a maximum SPL of 135 dB @ 1m CONTENTS Lend Me Your Ears ...........................................................3 INTRODUCTION...............................................................3 REAR PANEL DESCRIPTION...........................................4 HOOKUP DIAGRAMS......................................................5 CONNECTIONS................................................................6 PLACEMENT.....................................................................6 AC POWER ......................................................................7 THERMAL CONSIDERATIONS........................................7 SERVICE INFORMATION.................................................7 Warranty Service ......................................................7 Troubleshooting ........................................................7 Repair........................................................................9 SWA1801 SPECIFICATIONS.........................................10 SWA1801 LIMITED WARRANTY ...................................11 INTRODUCTION Thank you for choosing Mackie's active sound reinforcement speaker systems. The SWA1801 is a high-output active subwoofer system. It features a high-precision 18" transducer combined with application-specific amplifier technology. The system is composed of a single, compact subwoofer cabinet with built-in control and amplifier electronics. Connecting and setting up the SWA1801 is a breeze. It accepts a stereo or mono line-level signal via female XLR input jacks. Male XLR Thru jacks are provided for daisy-chaining the signal to additional SWA1801 cabinets. The built-in crossover separates the low frequencies from the high frequencies, and routes the high frequencies to the male XLR high-pass output jacks. Connect these to the inputs of full-range active speakers such as the Mackie SA1521s, or to an amplifier powering a pair of passive speakers such as a combination of the Mackie M·1400i and C300s. A Phase switch gives you the option of reversing the polarity of the signal to the subwoofer by 180º. A Subwoofer Level control allows you to adjust the balance between the subwoofer and the full-range speakers. The built-in amplifier produces 800 watts of continuous power. The amplifier module sits on a heatsink that eliminates the need for fans, dramatically extending life expectancy, and eliminating maintenance cycles. A tremendous benefit of having the amplifier located within the subwoofer cabinet is that the SWA1801 functions as a system, optimizing acoustic, electronic, and mechanical designs to achieve the highest level of performance and value. The cabinet is constructed with 15 mm thick multi-layered birch plywood. Carrying handles are integrated into each side for easy loading, and casters are attached to the rear for easy transport. Don't forget to visit our website at www.mackie.com for more information about this and other Mackie products. Part No. 0002871-90 Rev. B 8/05 ©2004-2005 LOUD Technologies Inc. All Rights Reserved. 3 R REAR PANEL DESCRIPTION POWER Switch Use this switch to turn the SWA1801 on and off. Make sure the signal source's level control is turned down before you turn it on. AC power supply, this indicator lights green to let you know that you're ready to rock and roll. The cool blue LED on the front of the cabinet works in the same way. AC Receptacle This is where you connect the AC linecord to provide AC power to the SWA1801's built-in power amplifiers. Plug the linecord into an AC socket properly configured for your particular model. FULL RANGE INPUT These are female XLR-type connectors that accept a balanced line-level signal from a mixing console or other signal source. THRU (FULL RANGE OUTPUT) These are male XLR-type connectors that produce exactly the same signal that is connected to the FULL RANGE INPUT jack. Use it to daisy-chain several SWA1801s together off the same signal source. LIMIT Indicator The SWA1801 has a built-in limiter that prevents the amplifier outputs from overdriving the transducers. The LIMIT indicator lights when the limiter is activated. It's okay for the LIMIT indicator to blink occasionally, but if it blinks frequently or lights continuously, turn down the level control until the LIMIT indicator only blinks occasionally. HIGH PASS (MID/HIGH FREQ) OUTPUT These are male XLR-type connectors that produce the frequencies above 120Hz. Connect these to a pair of full-range active speakers or to an amplifer/passive speaker combination. The SWA1801 reproduces the frequencies below 120Hz. SIGNAL Present Indicator This LED illuminates whenever there is a signal present at the FULL RANGE INPUT connector on the rear panel. SUBWOOFER LEVEL Control This adjusts the subwoofer level. The center detent position provides 15 dB of headroom with a nominal +4 dBu input signal. Use this as a starting point for setting the balance between the subwoofer and the main speakers. THERMAL Indicator The SWA1801 has a thermal protection circuit that monitors the internal temperature of the amplifiers and heatsink. If the internal temperature should exceed a safe operating level, this indicator lights and the signal is muted to allow the amplifier to cool. When the temperature cools to a safe level once again, the thermal protection circuit deactivates and normal o ...