Professional Preamp Mixer Q-2422 PRO User Guide and Reference Manual 1/07 4295 Charter Street Los Angeles Ca. 90058 www.AmericanAudio.us Q-2422 PRO CONTENTS MAIN FEATURES....................................................................................................................................2 ELECTRICAL PRECAUTIONS................................................................................................................4 SAFETY PRECAUTIONS........................................................................................................................5 INTRODUCTION....................................................................................................................................6 SET-UP PRECAUTIONS.........................................................................................................................6 UNPACKING.........................................................................................................................................7 QUICK START.........................................................................................................................................7 FUNCTIONS AND CONTROLS FRONT PANEL.............................................................................................................................8 REAR PANEL.............................................................................................................................12 CLEANING......................................................................................................................17 CROSSFADER REPLACEMENT...........................................................................................................17 TROUBLESHOOTING......................................................................................................................18 WARRANTY.........................................................................................................................................19 SPECIFICATIONS.....................................................................................................................20 Q-2422 PRO · Equipped with high quality Crossfader (Replaceable) · High Power Headphone Output · Selectable Voltage 115v~230v · 3 Channel Mixer · 2 Phono, 4 Line, 3 Auxiliary Inputs · 2 Microphone Input - (1) XLR/ 1/4" combo plug, (1) 1/4" Input Jacks · Volume Control for each Mic · Master Balance Control · 12v BNC Light Connector for Gooseneck Light · Fader "Q" Start · On/Off Button Controls Fader "Q" Start Function (for use with the American Audio CD Players with Fader "Q" Start) FEATURES · Rotary Kills for Treble, Bass & Mids on all three channels · Individual Channel Gain Control · Convenient "L" Shape Design · Extremely clean signal to noise ratio · Talkover switch- Reduces channel output gain by 14dB +/- 2 dB · Independent Zone Level Output · Stereo LED Level Indicator · Split Cue Monitoring · Cue Mixing · Balanced XLR Master Output · 4 Signal Output Options - Master (RCA and Balanced XLR), Zone (RCA) and REC (RCA) Specifications subject to change without notice. ©American Audio® - www.AmericanAudio.com - Q-2422 PRO User Instructions page 2 Q-2422 PRO ELECTRICAL SAFETY PRECAUTIONS LINE VOLTAGE SELECTION WARNING: TO PREVENT FIRE OR ELECTRIC SHOCK HAZARD, DO NOT EXPOSE THIS UNIT TO RAIN, LIQUIDS, OR MOISTURE CAUTION: TO PREVENT ELECTRIC SHOCK DO NOT USE THIS (POLARIZED) PLUG WITH AN EXTENSION CORD, RECEPTACLE, OR OTHER TYPE OF ELECTRICAL OUTLET UNLESS THE WIDE BLADES CAN BE CAREFULLY INSERTED INTO A MATCHING WIDE SLOT. ATTENTION: POUR PREVENIR LES CHOCS ELECTRIQUES NE PAS UTILISER CETTE FICHE POLARISEE AVEC UN PROLONGATEUR, UNE PRISE DE COURANT OU UNE AUTRE SORTIE DE COURANT, SAUF SI LES LAMES PEUVENT ETRE INSEREES A FOND SANS EN LAISSER AUCUNE PARTIE A DECOUVERT. · The desired voltage may be set with the VOLTAGE SELECTOR switch on the rear panel (using a flat head screw driver). · Do not force the VOLTAGE SELECTOR switch as this may cause damage · If the VOLTAGE SELECTOR switch does not move smoothly, please contact a qualified service technician. VOLTAGE SELECTOR SWITCH The serial and model number for this unit is located on the rear panel. Please write down the numbers here and retain for future reference. Model No._____________________________ NOTE: This product satisfies FCC regulations when shielded cables and connectors are used to connect the unit to other equipment. To prevent electromagnetic interference with electrical appliances such as radios and televisions, use shielded cables and connectors for connections. Serial No._____________________________ Purchase Notes: Date of Purchase_______________________ Dealer Name__________________________ Dealer Address_________________________ _____________________________________ _____________________________________ Dealer Phone__________________________ ©American Audio® - www.AmericanAudio.com - Q-2422 PRO User Instructions page 3 Q-2422 PRO ELECTRICAL PRECAUTIONS ELECTRICAL SAFETY PRECAUTIONS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN 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. CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE COVER (OR BACK). THERE ARE NO USER SERVICEABLE PARTS INSIDE REFER SERVICE TO YOUR AUTHORIZED AMERICAN AUDIO® SERVICE TECHNICIAN. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. IMPORTANT SAFETY INSTRUCTIONS READ INSTRUCTIONS -- All the safety and operating instructions should be read before the product is operated. RETAIN INSTRUCTIONS -- The safety and operating instructions should be retained for future reference. HEED WARNINGS -- All warnings on the product and in the operating instructions should be adhered to. FOLLOW INSTRUCTIONS -- All operating and use instructions should be followed. CLEANING -- The product should be cleaned only with a polishing cloth or a soft dry cloth. Never clean with furniture wax, benzine, insecticides or other volatile liquids since they may corrode the cabinet. ATTACHMENTS -- Do not use attachments not recommended by the product manufacturer as they may cause hazards. WATER AND MOISTURE -- Do not use this product near water -- for example, near a bathtub, wash bowl, kitchen sink, or laundry tub; in a wet basement; or near a swimming pool; and the like. ACCESSORIES -- Do not place this product on an unstable cart, stand, tripod, bracket, or table. The product may fall, causing serious injury to a child or adult, and serious damage to the product. Use only with a cart, stand, tripod, bracket, or table recommended by the manufacturer, or sold with the product. Any mounting of the product should follow the manufacturer's instructions, and should use a mounting accessory recommended by the manufacturer. CART -- A product and cart combination should be moved with care. Quick stops, excessive force, and uneven surfaces may cause the product and cart combination to overturn. GROUNDING OR POLARIZATION · If this product is equipped with a polarized alternating current line plug (a plug having one blade wider than the other), it will fit into the outlet only one way. This is a safety feature. If you are unable to insert the plug fully into the outlet, try reversing the plug. If the plug should still fail to fit, contact your electrician to replace your obsolete outlet. Do not defeat the safety purpose of the polarized plug. · If this product is equipped with a three-wire grounding type plug, a plug having a third (grounding) pin, it will only fit into a grounding type power outlet. This is a safety feature. If you are unable to insert the plug into the outlet, contact your electrician to replace your obsolete outlet. Do not defeat the safety purpose of the grounding type plug. POWER-CORD PROTECTION - Power-supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the product. OUTDOOR ANTENNA GROUNDING -- If an outside antenna or cable system is connected to the product, be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built-up static charges. Article 810 of the National Electrical Code, ANSI/NFPA 70, provides information with regard to proper grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna discharge unit, size of grounding conductors, location of antenna-discharge unit, connection to grounding electrodes, and requirements for the grounding electrode. See Figure A. LIGHTNING -- For added protection for this product during a lightning storm, or when it is left unattended and unused for long periods of time, unplug it from the wall outlet and disconnect the antenna or cable system. This will prevent damage to the product due to lightning and power-line surges. POWER LINES -- An outside antenna system should not be located in the vicinity of overhead power lines or other electric light or power circuits, or where it can fall into such power lines or circuits. When installing an outside antenna system, extreme care should be taken to keep from touching such power lines or circuits as contact with them might be fatal. OVERLOADING -- Do not overload wall outlets, extension cords, or integral convenience receptacles as this can result in a risk of fire or electric shock. OBJECT AND LIQUID ENTRY - Never push objects of any kind into this product through openings as they may touch dangerous voltage points or short-out parts that could result in a fire or electric shock. Never spill liquid of any kind on the product. SERVICING -- Do not attempt to service this product yourself as opening or removing covers may expose you to dangerous voltage or other hazards. Refer all servicing to qualified service personnel. DAMAGE REQUIRING SERVICE - Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions: · When the power-supply cord or plug is damaged. · If liquid has been spilled, or objects have fallen into the product. · If the product has been exposed to rain or water. · If the product does not operate normally by following the operating instructions. Adjust only those controls that are covered by the operating instructions as an improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to its normal operation. · If the product has been dropped or damaged in any way. · When the product exhibits a distinct change in performance -- this indicates a need for service. REPLACEMENT PARTS -- W hen replacement parts are required, be sure the service technician has used replacement parts specified by the manufacturer or have the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock, or other hazards. SAFETY CHECK - Upon completion of any service or repairs to this product, ask the service technician to perform safety checks to determine that the product is in proper operating condition. WALL OR CEILING MOUNTING -- The product should not be mounted to a wall or ceiling. HEAT -- The product should be situated away from heat sources such as radiators, heat registers, stoves, or other products (including amplifiers) that produce heat. VENTILATION -- Slots and openings in the cabinet are provided for ventilation and to ensure reliable operation of the product and to protect it from overheating, and these openings must not be blocked or covered. The openings should never be blocked by placing the product on a bed, sofa, rug, or other similar surface. This product should not be placed in a built-in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer's instructions have been adhered to. POWER SOURCES --This product should be operated only from the type of power source indicated on the marking label. If you are not sure of the type of power supply to your home, consult your product dealer or local power company. LOCATION ­ The appliance should be installed in a stable location. NONUSE PERIODS ­ The power cord of the appliance should be unplugged from the outlet when left unused for a long period of time. ANTENNA LEAD IN WIRE GROUND CLAMP ANTENNA DISCHARGE UNIT (NEC SECTION 810-20) ELECTRIC SERVICE EQUIPMENT GROUNDING CONDUCTORS (NEC SECTION 810-21) GROUND CLAMPS Fig. A POWER SERVICE GROUNDING ELEC ...