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®
MODULUS II
HOME THEATER SYSTEM
Owner’s Guide
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IMPORTANT SAFETY PRECAUTIONS Read First! 13. Unplug this apparatus during lightning storms 19. Do not overload wall outlets, extension cords, or when unused for long periods of time. or integral convenience receptacles, as this can CAUTION result in a risk of fire or electric shock. 14. Refer all servicing to qualified service RISK OF ELECTRIC SHOCK personnel. Servicing is required when the 20. Never push objects of any kind into this DO NOT OPEN apparatus has been damaged in any way, such produ
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® MODULUS II HOME THEATER SYSTEM OWNER’S GUIDE Table of Contents ii Important Safety Precautions iv Introduction iv Technology ™ iv Ceramic Metal Matrix Diaphragms (CMMD ) iv Room-Friendly Acoustical Design 1 Unpacking the System 2 Planning Your System 2 Placement 5 Center and Satellite Speaker Connections 6 Subwoofer Controls 7 Subwoofer Connections 8 Operation ™ ™ 9 Room Adaptive Bass Optimization System (R.A.B.O.S. ) 10 Contents of the R.A.B.O.S.Test CD 10 R.A.B.O.S. Sound-Level Meter (RSLM)
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Room-Friendly Acoustical Design INTRODUCTION Driver quality is not the only requirement for exceptional performance. Infinity’s engineers understand that the room The Infinity Modulus II Home Theater System is a compact, in which the loudspeaker is placed can greatly affect its efficient, universal satellite, center channel and subwoofer system performance.To ensure that Modulus II loudspeakers will sound that is ideal for reproducing multichannel audio and home theater sound.With their versati
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• (4) Modulus II Wall-Mount Brackets (Attached to Base of Unpacking the System Satellites) Carefully unpack the system. If you suspect damage from transit, report it immediately to your dealer and/or delivery service. Keep the shipping carton and packing materials for future use. Open the package and verify the following contents: • (1) Modulus II Powered Subwoofer • (1) Wall-Mount Bracket With Bubble Level for Use as Mounting Template. • Hex Wrench (Located Behind Rubber Cap of Satellite Ba
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PLANNING YOUR SYSTEM PLACEMENT Before deciding where to best place your speakers, survey your NOTE:The satellite speakers can be placed directly on a shelf, room and study Figures 1 and 2. or mounted on a wall using the built-in base/bracket. Subwoofer Front Left and Right Channels Left Right For front left and right channels, place one satellite to the left Front Front Channel Channel and another to the right of the television, as shown in Figures 1 Center Channel and 2. Since the speakers are
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INSTALLING THE SATELLITES For Shelf Placement 3. Run speaker wires in through the rear of the base and up through the speaker wire holes on the left and right sides of 1. Remove the Modulus II satellites from the box. Remove rubber the cup restraint (see page 5, Figure 10 for wire connections). cover from the base and pull out Allen wrench. 2. Use the Allen wrench to loosen the adjustment screw (as necessary) to allow the mounting ball on the speaker to turn freely in the cup restraint. FIGURE
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3. Run speaker wires through base as shown below.Attach base For Wall-Mounting to mounting plate by slipping the returns on underside of base Note: The customer is responsible for the correct selection and use into slots on the top of the mounting plate and hinging the base of mounting hardware (available through hardware stores) that will downward. Secure base by inserting and tightening mounting plate ensure the proper and safe wall-mounting of the speakers. screw.Tighten adjustment screw, fi
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CENTER AND SATELLITE SPEAKER CONNECTIONS Turn Off All Power Center Channel After placing the speakers, you are ready to connect your Observe polarities when making speaker connections, as shown system. First, turn off all audio-system power. Use high-quality in Figure 10. Connect each + terminal on the back of the speaker wire to make your connections. Use at least #16-gauge amplifier or receiver to the respective + (red) terminal on the speaker wire with polarity coding.The side of the wire wit
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SUBWOOFER CONTROLS ¡ Rear Panel R.A.B.O.S. On/Off Switch ™ Room Adaptive Bass Center-Frequency Adjustment Optimization System R.A.B.O.S. £ (R.A.B.O.S.) Controls Bandwidth Adjustment R.A.B.O.S.™ Freq. ™¡ ON OFF Controls (See p. 9 for complete PHASE 180° ¢ ∞ 0° R.A.B.O.S. Level R.A.B.O.S. instructions.) LOW PASS Width £ § ON OFF ∞ Phase Switch Level INPUT ¢ § LFE Low-Pass Filter Selector ¶ ¶ Line-Level Inputs LR • Power Switch ª Subwoofer Level Control Modulus MSW-II This unit is designed to bec
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SUBWOOFER CONNECTIONS ® If your receiver/processor has subwoofer If you have a Dolby* Digital or DTS receiver/processor with a low-frequency-effects (LFE) output: outputs for the left and right channels: RECEIVER/PROCESSOR SUBWOOFER OR LFE OUTPUT R.A.B.O.S. R.A.B.O.S.™ Freq. ™¡ ON OFF Controls R.A.B.O.S. PHASE R.A.B.O.S.™ 180° 0° Freq. ™¡ ON OFF ∞ Controls PHASE Width £ LOW PASS 180° ∞ 0° § ON OFF Width £ LOW PASS § ON OFF Level INPUT ¢ LFE ¶ Level INPUT ¢ LFE ¶ LR LR Modulus MSW-II This unit
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OPERATION Surround Modes Set the overall volume control of the preamplifier or stereo to a ª comfortable level.Adjust the subwoofer’s Level Control until When using the Modulus II system in a Dolby Pro Logic* home you obtain a pleasing blend of bass. Bass response should not theater system, make sure the receiver’s center channel mode is overpower the room but rather be adjusted so there is a set to “Normal.” When using the Modulus II system in a Dolby harmonious blend across the entire musical
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ROOM ADAPTIVE BASS OPTIMIZATION SYSTEM Infinity R.A.B.O.S. is a simple-to-use, yet sophisticated, low- Performing R.A.B.O.S.Tests frequency calibration system. It is designed to work in conjunction These instructions assume you have already installed your with the Infinity Modulus II self-amplified subwoofer.The Modulus II Modulus II subwoofer according to the information provided in subwoofer contains a parametric equalizer that you will adjust as the owner’s guide. It is also assumed that all
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Power is switched on or off by pressing the button directly below the bar-graph window.When the unit is on, one or more LEDs will always be illuminated.The function of the LEDs is described in the following section. RSLM bar-graph indications Contents of the R.A.B.O.S. Test CD Track Title Track Title 1Welcome 32 Quick Retest 80Hz 2 Set System Test Level 33 Quick Retest 77Hz 3 Set Subwoofer Test Level 34 Quick Retest 72Hz 4 100Hz Test 35 Quick Retest 66Hz 5 95Hz Test 36 Quick Retest 63Hz 6 90Hz T
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Press Play ›.As Track 3 plays, watch the RSLM carefully.Watch Initial System-Level Setting for peak readings.The peak reading may be no more than a brief The following steps will set the playback level of the system to the flash. Readjust the subwoofer’s Level Control ª until the peak correct level for all tests that follow. level observed is 0dB without triggering the over-range indication. See Figure 15. Turn the system volume to minimum. Adjusting the subwoofer levels for a 0dB peak Cue the R
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›› Each of the following tracks produces a low-frequency test tone. When finished, press Skip l to advance to the next test. Repeat The range of these tests is from 100Hz down to 20Hz.The the process described above for Tracks 5 through 26. frequency of each test is announced before it begins.The first When you have completed the 23 measurements, you are ready to test is the highest frequency (100Hz); therefore, you will be analyze the data and make corrective adjustments.The completed marking t
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Effect of adjustable width R.A.B.O.S. Online Now that you have obtained the data necessary to make final adjustments, a few more calculations are required to determine the ideal position of the three bass optimization controls. These calculations are covered in detail, and are available for your reference in the remaining pages of this owner’s guide. It is recommended that you read through to get a better understanding of the functions and benefits of R.A.B.O.S. However, if you have access to
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Placement of the Using the Width Selector Bandwidth Selector Read the following instructions carefully.The example presented may not look like the graph you just created. Focus on the concepts and techniques presented. Specific cases will be discussed later. Width Selector FIGURE 23 FIGURE 22 Apply pressure to the upper and lower left corners of the Selector using the thumb and forefinger of your left hand. Now You will use the Measurement Template just completed and the Width Selector to det
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The pointer on the slider will indicate the correct width setting. Example 1. Single Dominant Peak: Enter this number in the Width field of the Measurement Template. Single dominant peak In our example, the width is 12.5%. It is not realistic to expect a perfect fit.Acoustic measurements encompass the behavior of not only the speakers but of the room and its contents as well. Reflected energy, standing waves and ambient noise all add their part. Determining the best width setting nearly always r
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Example 2. Two Response Peaks: Example 3. Peak Adjacent to a Dip: Dip above or below peak Two response peaks FIGURE 26 Characterized by two response peaks, approximately equal in amplitude and width.This requires that you make a choice between the two peaks. In situations like this, the higher frequency peak will always be more audible and objectionable. Response peaks below 45Hz, unless extreme, can actually be beneficial toward achieving visceral impact. Perform corrections on the upper frequ
