Infinity II manual

M ODULUS ® II H OME T HEA TER S YSTEM Owner’ s Guide[...]

ii MODULUS II HOME THEA TER SYSTEM Read First! 1. Read these instructions . 2. K eep these instructions . 3. Heed all warnings . 4. F ollow all instr uctions. 5. Do not use this apparatus near water . 6. Clean only with a dry cloth. 7. Do not block any ventilation openings . Install in accordance with the manuf acturer’ s instructions . 8. Do not[...]

iii MODULUS II HOME THEA TER SYSTEM T able of Contents ii Important Safety Pr ecautions iv Introduction iv T echnology iv Ceramic Metal Matr ix Diaphragms (CMMD ™ ) iv Room-Fr iendly Acoustical Design 1 Unpacking the System 2 Planning Y our System 2 Placement 5 Center and Satellite Speaker Connections 6 Subwoofer Contr ols 7 Subwoofer Connections[...]

I NTRODUCTION T he Infinity Modulus II Home Theater System is a compact, efficient, univ ersal satellite , center channel and subwoofer system that is ideal for r eproducing multichannel audio and home theater sound. With their ver satile design, the satellite speakers can be placed virtually anywher e on shelves or stands , or mounted on a wall us[...]

1 MODULUS II HOME THEA TER SYSTEM Unpacking the Syst em Carefully unpack the system. If you suspect damage from transit, report it immediately to your dealer and/or deliv ery service . Keep the shipping carton and packing materials for future use . Open the package and v erify the following contents: • (1) Modulus II Power ed Subwoofer • (1) Mo[...]

2 P LANNING Y OUR S YSTEM Befor e deciding where to best place your speaker s, survey your r oom and study F igures 1 and 2. F IGURE 1 – In this ov erhead view of a typical installation, satellite speakers ar e used to reproduce sound f or the front and sur round channels. The center channel r eproduces sound and dialogue . The powered subwoof er[...]

3 MODULUS II HOME THEA TER SYSTEM I NST ALLING THE S A TELLITES Fo r Shelf Placement 1. Remov e the Modulus II satellites from the box. Remove r ubber cov er from the base and pull out Allen wrench. 2. Use the Allen wrench to loosen the adjustment scr ew (as necessary) to allow the mounting ball on the speaker to turn freely in the cup r estraint. [...]

F or W all-Mounting No te: T he cust o mer is res p o nsible for the correc t se le c ti on a nd use of mo u nting hard ware (available throu gh hardware st o res) that will en su re th e pro pe r and s afe wa ll-m ountin g of the spe a kers. 1. Remov e the Modulus II from its box. Remov e rubber cov er from base and pull out Allen wrench. Use Alle[...]

5 MODULUS II HOME THEA TER SYSTEM T urn Off All Po wer After placing the speakers , you are r eady to connect your system. Fir st, turn off all audio-system power . Use high-quality speaker wire to make your connections . Use at least #16-gauge speaker wire with polar ity coding. The side of the wire with a ridge or other coding is usually consider[...]

6 MODULUS II HOME THEA TER SYSTEM S UBWOOFER C ONTROLS Rear Panel Fr ont Panel ª LR POWER ON OFF ON OFF 180 ° 0 ° Freq. Level INPUT R.A.B.O.S.™ Controls R.A.B.O.S. PHASE LOW PASS LFE Width ™¡ ∞ § ¶ £ ¢ • FUSE T5A L/250V AC 120V~60Hz 75 Watts Modulus MSW-II This unit is designed to become quite warm, during normal operation. NRTL/C C[...]

7 MODULUS II HOME THEA TER SYSTEM If your receiv er/processor has subwoofer outpu ts for the left and right channels: • Set Low-P ass Filt er § to “On. ” RECEIVER/PROCESSOR LR POWER ON OFF ON OFF 180 ° 0 ° Freq. Level INPUT R.A.B.O.S.™ Controls R.A.B.O.S. PHASE LOW PASS LFE Width ™¡ ∞ § ¶ £ ¢ • FUSE T5A L/250V AC 120V~60Hz 75 [...]

8 MODULUS II HOME THEA TER SYSTEM Surround Modes W hen using the Modulus II system in a Dolby Pr o Logic* home theater system, make sure the r eceiv er’s center channel mode is set to “Normal. ” When using the Modulus II system in a Dolby Digital or DTS home theater system, make sure the r eceiv er’s speaker modes are set to “Small. ” S[...]

9 MODULUS II HOME THEA TER SYSTEM Infinity R.A.B.O .S. is a simple-to-use, yet sophisticated, low- frequency calibr ation system. It is designed to work in conjunction with the Infinity Modulus II self-amplified subwoof er . The Modulus II subwoofer contains a par ametric equalizer that you will adjust as indicated by the R.A.B.O .S. test results .[...]

10 MODULUS II HOME THEA TER SYSTEM P ower is switched on or off by pressing the button dir ectly 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 f ollowing section. • Power -On/Low Signal: This is indicated by the illumination of any LED on the bar graph.[...]

11 MODULUS II HOME THEA TER SYSTEM Init ial Syst em-Level Se tting T he following steps will set the pla yback lev el of the system to the corr ect level f or all tests that follow . Tu rn the system volume to minimum. Cue the R.A.B.O .S. T est CD to T r ack 2 and press P ause II .T his track will pr oduce band-limited pink noise in both the left a[...]

MODULUS II HOME THEA TER SYSTEM 12 Each of the following tr acks produces a low-fr equency test tone. Th e range of these tests is fr om 100Hz down to 20Hz. The frequency of each test is announced bef ore it begins . The fir st test is the highest frequency (100Hz); therefor e, you will be marking the template fr om right to left. Each frequency po[...]

13 MODULUS II HOME THEA TER SYSTEM R.A.B.O.S. Online Now that you hav e obtained the data necessar y to make final adjustments, a few more calculations ar e requir ed to determine the ideal position of the three bass optimization contr ols. T hese calculations ar e cov ered in detail, and are a vailable f or your r efer ence in the r emaining pages[...]

MODULUS II HOME THEA TER SYSTEM 14 Using the Width Select or Read the following instr uctions carefully . The example presented ma y not look like the graph you just cr eated. F ocus on the concepts and techniques pr esented. Specific cases will be discussed later . Y ou will use the Measurement T emplate just completed and the W idth Selector to d[...]

15 MODULUS II HOME THEA TER SYSTEM T he pointer on the slider will indicate the cor rect width setting. Enter this number in the W idth f ield of the Measurement T emplate. In our example, the width is 12.5%. It is not realistic to expect a perf ect fit. Acoustic measurements encompass the beha vior of not only the speakers but of the room and its [...]

16 MODULUS II HOME THEA TER SYSTEM Example 2. T wo Response Peaks: Character ized by two r esponse peaks, approximately equal in amplitude and width. This requir es that you make a choice between the two peaks. In situations like this, the higher frequency peak will alwa ys be more audible and objectionable . Response peaks below 45Hz, unless extre[...]

17 MODULUS II HOME THEA TER SYSTEM 1. Select a new test position: Cue the test track corr esponding to the center frequency of the dip . In the fir st example in Figur e 25, you would play T rack 13 (56Hz). Press Play › .Y ou will see a r eading v er y close to what you had befor e. Now , slowly mov e the RSLM around the ar ea, if possible remain[...]

18 MODULUS II HOME THEA TER SYSTEM 1. Select a new test position: Cue the test track corr esponding to the center frequency of the dip . In the example in Figur e 29 you would play T racks 14 (52Hz) and 18 (40Hz). Press Play › . Y ou will see a reading very c lose to what you had befor e. Now , slowly mov e the RSLM around the ar ea, if possible [...]

19 MODULUS II HOME THEA TER SYSTEM Adjust the controls as indicated by the Measur ement T emplate. Each value shown in the table is r epresented by detents in the R.A.B.O .S. controls. Simply count the number of detents necessary , indicated by the results of your R.A.B.O .S. T est. After performing these adjustments , you may skip forwar d to the [...]

20 MODULUS II HOME THEA TER SYSTEM Modulus II Home Thea t er System Sat ellit e Cent er Channel Fr equency Range: 100Hz – 20,000Hz (±3dB) 80Hz – 20,000Hz (±3dB) Recommended Amplifier Pow er Range: 15 – 125 watts 15 – 125 watts Sensit ivity: 86dB 88dB (2.83V @ 1 meter) Nominal Impedance: 8 Ω 8 Ω Crossov er F requenc y: 2500Hz, 12dB/Oct[...]

21 MODULUS II HOME THEA TER SYSTEM Frequency Width Frequency Width Hz dB % Hz dB %[...]

22 MODULUS II HOME THEA TER SYSTEM Frequency Width Frequency Width Hz dB % Hz dB %[...]

23 MODULUS II HOME THEA TER SYSTEM N O TES :[...]

© 2003 Harman International Industries , Incorporated Infinity Systems, 250 Crossways Park Dr ive , Woodbury, NY 11797 USA 800.553.3332 (USA only) www .infinitysystems.com *T r ademarks of Dolby Laboratories . DTS is a registered tr ademark of Digital Theater Systems, Inc. Infinity and Modulus are r egiste r ed trademarks , and CMMD (patent nos. 6[...]