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ICS Sub 24 Powered Subwoofer
Owner‘s Manual
ICS Sub 24
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SAFETY INSTRUCTIONS Warning: To reduce Heat: The appliance should be situated away from heat CAUTION the risk of fire or sources, such as radiators, stoves, or other appliances RISK OF ELECTRIC SHOCK DO NOT OPEN electric shock, do that produce heat. not expose this appliance to rain or moisture. Power Sources: The appliance should be connected to a The lightning flash with arrowhead symbol, power supply only of the type described in the operation within an equilateral triangle, is intended to in
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SPECIFICATIONS Frequency Response (±3dB) 23-200Hz; 20Hz at -6dB Amplifier Power 450 watts Crossover Low Pass for Subwoofer Variable from 50 to 150Hz Crossover High Pass for Line Out Fixed at 80Hz, 12dB/octave Bass Unit Dual 12-inch (305mm) long throw cast chassis woofers Cabinet Construction Double-wall 3/4-inch MDF. Internal Double-H bracing. Grille Black cloth covered grille Controls Turn On switch with instant On and ten-minute Off delay, Phase Switch and Front mounted volume control 3 1 1 Di
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CROSSOVER LOW LEVEL IN HIGH PASS OUT 80 Hz LR LR 70 Hz 100 Hz 60 Hz 125 Hz 50 Hz 150 Hz THX INPUT Bypasses Crossover HIGH LEVEL IN FROM AMP 0° PHASE +– L +– R 180° ALWAYS ON AUTO ON HIGH LEVEL OUT TO MAIN SPEAKERS 12OV 60Hz 5A ON POWER OFF FUSE TYPE T5A 250V RISK OF ELECTRIC SHOCK DO NOT OPEN ICS Sub 24 POWERED SUBWOOFER Manufactured under license from Lucasfilm Ltd. Lucasfilm and THX are registered trademarks of Lucasfilm Ltd. 13 12 8 9 1 2 3 7
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FEATURES Crossover Low-Pass Filter Control Bass Drivers This control sets the frequency of the low-pass filter, The ICS Sub 24 uses two 12-inch (305 mm) custom-built and is fully adjustable from 50 to 150Hz. Bass sound bass unit with dual spiders, a coated paper cone with below the selected setting are directed to the ICS Sub 24 butyl surround, and a die-cast aluminum chassis. The amplifier and speaker. driver has a front-mounted heat sink that draws heat away from the voice coil, increasing po
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CONNECTION Warning: To reduce the risk of electric shock, always switch off the subwoofer and the amplifier and or receiver when making connections to the subwoofer and speakers. THX® Input Use this input when the ICS Sub 24 is connected THX Receiver ICS Sub 24 Amp CROSSOVER LOW LEVEL IN HIGH PASS OUT 80 Hz to a receiver or surround sound controller that LR LR 70 Hz 100 Hz 60 Hz 125 Hz has a built-in THX control system. This input SUB OUT 50 Hz 150 Hz bypasses ALL the crossover and control circu
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High Level Connection If the electronics in your system does not have Preamp Output/Power Amp Input connections, the ICS Sub 24 can be connected via the speaker wiring using the “High Level” Connections. There are two methods for making high level connections the ICS Sub 24. The 5-way binding posts on the ICS Sub 24 permit easy connection to banana plugs, spade lugs, and bare wire. If you are connecting bare wires be sure to twist the wire strands into a neat bundle. Be sure there are no loose s
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Alternate High Level Connection The alternate method for making high level connections is to connect both the ICS Sub 24 and the main speakers directly to the amplifier. This type of connection does not take advantage of the high pass filter provided by the High Level Outputs of the ICS Sub 24. Consequently the main speakers will operate full range. There are two connection methods. Both methods are electrically equivalent. Which one you use will depend largely on you physical set up of your roo
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CONNECTING TWO ICS Sub 24’s You may wish to use two ICS Sub 24’s, particularly if you are in a large room. Double subwoofers may be wired with either speaker-level or line-level connections. Be sure the Phase Switch is set the same on both units. To connect two ICS Sub 24’s using line- level inputs, use "Y" connectors to daisy ICS Sub 24 ICS Sub 24 chain the ”PREAMP OUT“ signal to the Amp Amp CROSSOVER LOW LEVEL IN HIGH PASS OUT CROSSOVER LOW LEVEL IN HIGH PASS OUT input of a second ICS Su
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PLACEMENT Typically the ICS Sub 24 will produce the smoothest response when placed against a wall. Placement in a corner will further enhance bass output allowing you to run operate the subwoofer at a lower power level. Experiment with subwoofer placement while at the same time adjusting crossover frequency, output level, and phase. (See section on Fine-Tuning Your Subwoofer below.) Choose a musical selection with a heavy and continuous bass line. Play a short section several times until you hav
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Bass Level Control The Bass Level control adjusts the volume of the ICS Sub 24 output. The Level Control should be adjusted to achieve a good main speaker-to-subwoofer balance. However there is significant interaction between the Crossover control and the Bass Level control. This interaction affects the sound in the midbass range where the transition from the main speakers to the subwoofer occurs. If you are hearing too much midbass, adjust the crossover frequency down while increasing the bass
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LIMITED WARRANTY During the warranty period, Snell Acoustics will repair, for the original owner, any defect in materials or workmanship that occurs in normal use of the speaker system, without charge for parts and labor. The warranty period for all parts of the ICS Sub 24, except the amplifier, is five (5) years. The warranty period on the amplifier is one (1) year. Your responsibilities are to use the product according to the instructions supplied, to provide safe and secure transpor- tation t
