Owner’s Manual Subwoofer Amplifier SW-1
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO NOT REMOVE COVER. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.
Important Safety Instructions Please read all instructions and precautions carefully and completely before operating your Wisdom Audio equipment. 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this equipment near water. 6. Clean only with a dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. 8.
Table of Contents Important Safety Instructions..........................................................................3 Unpacking the SW-1........................................................................................5 Warm up/break-in period........................................................................................5 Placement Considerations................................................................................6 Ventilation..................................................
Unpacking the SW-1 After unpacking your SW-1, keep all packing materials for future transport. In the event that you need to ship your SW-1, only the original, purpose-designed shipping carton is acceptable. Any other method of shipping this product runs a risk of damage to the SW-1—damage that would not be covered by the warranty. Carefully inspect your SW-1 for possible damage due to shipping. If you discover any, contact your Wisdom Audio dealer immediately.
Placement Considerations PRECAUTION For your protection, review “Important Safety Instructions” and “Operating Voltage” before you install your SW-1. Note that adequate clearance for the AC cord and connecting signal cables must be left behind your SW-1. We suggest leaving at least six inches (15 cm) of free space behind your SW-1 so all cables have sufficient room to bend without crimping or undue strain.
Operating Voltage For compatibility with existing household outlets, a standard three prong, 15 ampere plug is provided on the removable, IEC-standard AC mains cable. The Wisdom Audio SW-1 will operate with 100V–240V AC mains operation. Outside the United States, and depending on local electrical codes and regulations, the AC mains cord may need to be replaced with one that conforms to local plug/outlet standards.
Special Design Features High Efficiency While many contemporary amplifiers waste 50% or more of the power they pull from the wall as heat, your SW-1 amplifier runs at approximately 90% efficiency. As a result, more power is available for the loudspeaker, and less is wasted as heat in your room. The high efficiency of the design also means that the amplifiers can be placed in close proximity to each other, as in an equipment rack, without undue overheating.
Front Panel LED Indicators The Standby LED a glows amber when the unit is receiving power but has been placed into Standby by the presence of a 12V “low” trigger signal at the SW-1’s 12V trigger input. If the SW-1 is in its normal Operating state, the Standby LED will be off but the blue Channel indicator b will be on. If both the amber and blue LEDs are off, no power is being supplied to the amplifier. Note that the normal operating state for the SW-1 is to be fully operational when supplied with AC power.
Rear Panel Caution! Turn off the SW-1 before attempting to make or change any connections. 1 Caution! Speaker Output Terminals The Wisdom Audio SW-1 is equipped with high-current binding posts for output termination to the loudspeaker system. To take full advantage of the amplifier’s sonic quality, we recommend using high-quality speaker cable; please see your Wisdom Audio dealer. NEVER connect a power amplifier’s output terminals to any device other than a loudspeaker.
Connect the + (positive) output post of the amplifier to the + (positive) input terminal of the appropriate loudspeaker. Connect a – (negative or black) output post of the amplifier to the – (negative or black) input terminal of the appropriate loudspeaker. Take care to maintain this proper polarity throughout the system. Caution! DO NOT OVERTIGHTEN the binding posts on your amplifier! The unique design of these posts gives far more leverage than traditional posts.
Each Wisdom Audio component has a short delay built into its DC trigger system to facilitate a staggered turn-on sequence. Your Wisdom Audio dealer can help you take advantage of these design features to maximize your system’s convenience and versatility. 4 Ethernet port Not implemented at this time. Reserved for possible future use. 5 Power Switch An AC mains switch is located adjacent to the power cord on the rear panel of the SW-1.
mark both plug and outlet to ensure that all products remain in the proper orientation should it become necessary to temporarily disconnect the system (as for example, during an electrical storm). Finally, the Wisdom Audio SW-1 incorporates a fuse block that protects both the live and neutral (ground) sides of the circuit. If your SW-1 is plugged into an AC outlet that you know is live (plug a lamp into it as a test), and yet appears to be off, check the following: 1 2. 3. 4. 5.
Care & Maintenance To remove dust from the cabinet of your SW-1, use a feather duster or a lint-free soft cloth. To remove dirt and fingerprints, we recommend isopropyl alcohol and a soft cloth. Dampen the cloth with alcohol first and then lightly clean the surface of the SW-1 with the cloth. Do not use excessive amounts of alcohol that might drip off the cloth and into the SW-1.
North American Warranty Five Year Warranty When purchased from and installed by an authorized Wisdom Audio dealer, Wisdom Audio® electronic products are warranted to be free from defects in material and workmanship under normal use for a period of five years from the original date of purchase. During the warranty period, any Wisdom Audio component exhibiting defects in materials and/or workmanship will be repaired or replaced, at our option, without charge for either parts or labor, at our factory.
Obtaining Service We take great pride in our dealers. Experience, dedication, and integrity make these professionals ideally suited to assist with our customers’ service needs. If your Wisdom Audio component must be serviced, please contact your dealer. Your dealer will then decide whether the problem can be remedied locally, or whether to contact Wisdom Audio for further service information or parts, or to obtain a Return Authorization.
Specifications All specifications are subject to change at any time, in order to improve the product. ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Rated power output @ 8Ω: 230 watts Rated power output @ 4Ω: 370 watts Peak output current: 30 amps Voltage gain: 31 dB Input sensitivity: 1.2V for full output Input impedance: 47 kΩ Polarity: Non-inverting Signal to Noise ratio (main outputs): –100 dB (ref 1V rms, A-wtd.) Output impedance: less than 0.
Dimensions 18
Notes 19
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