Infinity CASCADE FIFTEEN manuale d’uso

Compac t P ower ed Subwoof er C ASCADE ™ M ODEL F IFTEEN Owner’ s Guide (120V) C ASCADE ™ Cascade 15 OM 9/14/05 2:35 PM Page 1[...]

ii CASCADE MODEL FIFTEEN Read First! 1. Read these instructions . 2. Keep these instructions . 3. Heed all warnings . 4. F ollow all instr uctions. 5. Do not use this apparatus near w ater . 6. Clean only with a dr y c loth. 7. Do not block any ventilation openings . Install in accordance with the manuf acturer’ s instructions . 8. Do not install[...]

iii CASCADE MODEL FIFTEEN T able of Cont ents ii Important Safety Pr ecautions 1 U npacking the Subwoofer 1 Placement 2 Controls and Connections 3 Connections 4 Operation 5 Room Adaptiv e Bass Optimization System ™ (R.A.B.O.S . ™ ) 6 Contents of the R.A.B.O .S. T est CD 6 The R.A.B.O .S. Sound-Lev el Meter (RSLM) 6 RSLM Placement 7 Initial Syst[...]

CASCADE MODEL FIFTEEN 1 Infinity Cascade ™ Model Fift een The Infinity Cascade Model F ifteen continues Infinity’ s long- standing commitment to accurate sound r eproduction. Our advanced driver s, high- powered amplifier and propr ietary Room Adaptiv e Bass Optimization System, ™ along with a rigid, w ell- braced enc losure , combine to deli[...]

¡ • ™ ¢∞ § ¶ ª ‚ ⁄ B £ 2 CASCADE MODEL FIFTEEN Rear Panel C ONTROLS AND C ONNECTIONS ¡ Line-Lev el Inputs ™ Line-Lev el Outputs £ P ower Indicator ¢ Subwoof er Le v el (V olume) Contr ol ∞ Crosso v er Adjustment § Phase Switch ¶ Nor mal/LFE Selector • P ower Switch Bass Optimiza tion Controls (see pa ge 5) ª R.A.B.O .S. [...]

3 CASCADE MODEL FIFTEEN C ONNECTIONS If you ha ve a Dolb y ® Digit al or DTS ® receiver/processor w ith a low-fr equency-e ffec ts (LFE) outpu t: • Set Normal/LFE Swi tch to LFE. NOTE: In this case , you do not need to use a Y -connector . Simply connect the LFE output on your r ecei v er/pr ocessor to either the left or right input on the subw[...]

4 CASCADE MODEL FIFTEEN Pow er On P lug your su bw o ofe r ’ s AC cor d into a wall outlet. Do not use the outlets on the back of the recei ver . Initially set the Subwoofer Le vel (V olume) Control ¢ to the “min” position. T urn on your sub by pressing the P ower Switch • on the r ear panel. Au to On/St andby With the P ower Switch • in[...]

5 CASCADE MODEL FIFTEEN I nfinity’ s 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 Cascade Model Fifteen self-amplif ied subwoofer . The subwoofer contains a par ametric equalizer t hat you will adjust as indicated by the R.A.B.O .S. test r esults. Following th[...]

6 CASCADE MODEL FIFTEEN P ower is switched on or off by pr essing 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. • Power -On/Under -Range (Low Signal): This is indicated by the illumination of any LED on the bar gra[...]

7 CASCADE MODEL FIFTEEN Init ial Syst em-Level Se tting The following steps will set the pla yback lev el of the system to the corr ect level f or all tests that follow . T urn the system v olume to minimum. Cue the R.A.B.O .S. T est CD to T rack 2 and pr ess Pause II . This track will pr oduce band-limited pink noise in both the left and right cha[...]

8 CASCADE MODEL FIFTEEN Each of the following tr acks produces a low-fr equency test tone. The 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); ther efor e, you will be marking the template fr om right to left. Each fr equency point is lis[...]

9 CASCADE MODEL FIFTEEN A t this point, you may simply enter the data you just measured into the R.A.B.O .S. calculator , found on the I nfinity Web site at www .infinitysystems.com. After entering the data, this R.A.B.O .S. wizard will retur n the corr ect settings for all thr ee R.A.B.O .S. contr ols: ‚ , ⁄ and B . Skip to page 14 and adjust [...]

10 CASCADE MODEL FIFTEEN 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. Focus 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 Width Selector to determine the[...]

11 CASCADE MODEL FIFTEEN T he pointer on the slider will indicate the cor rect width setting. Enter this number in the Width field of the Measur ement 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 contents as[...]

12 CASCADE MODEL FIFTEEN Example 2. T wo Response Peaks Character ized by two r esponse peaks, appr oximately 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 extreme , can[...]

13 CASCADE MODEL FIFTEEN 1 . Select a new test position: Cue the test track cor responding to the center frequency of the dip . In the fir st example in Figur e 18, y ou would play T rack 13 (56Hz). Pr ess P lay › . Y ou will see a reading v er y close to what you had bef ore . Now slowly mov e the R SLM around the ar ea, if possible r emaining w[...]

14 CASCADE MODEL FIFTEEN 1. Select a new test position: Cue the test track cor responding to the center frequency of the dip . In the example in Figur e 19 you w ould play T racks 14 (52Hz) and 18 (40Hz). Pr ess P lay › . Yo u will see a reading v er y close to what you had bef ore . Now slowly mov e the RSLM around the ar ea, if possible remaini[...]

15 CASCADE MODEL FIFTEEN I f using more than one subwoof er , always adjust both subwoofer s together . Adjust the controls as indicated by the Measurement T emplate. Each value shown in the table is r epresented by detents in the R.A.B.O .S. contr ols. Simply count the number of detents necessary , indicated by the results of your R.A.B.O .S. T es[...]

16 CASCADE MODEL FIFTEEN M AINTENANCE AND S ERVICE The enclosur e may be cleaned using a soft cloth to r emove f ingerpr ints or to wipe off dust. All wiring connections should be inspected and c leaned or remade per iodically . The fr equency of maintenance depends on the metals inv olved in the connections , atmospheric conditions , and other fac[...]

17 CASCADE MODEL FIFTEEN Frequency Width Frequency Width Hz dB % Hz dB % Cascade 15 OM 9/14/05 2:35 PM Page 20[...]

18 CASCADE MODEL FIFTEEN Frequency Width Frequency Width Hz dB % Hz dB % Cascade 15 OM 9/14/05 2:35 PM Page 21[...]

19 CASCADE MODEL FIFTEEN Cascade Model Fift een F requency Response 32Hz – 150Hz (–3dB) 29Hz – 150Hz (–6dB) M aximum Amplifier Output 800 Watts RMS (20Hz – 150Hz with no more than 0.1% THD) Crossov er F requency 50Hz – 150Hz, 24dB/octave , continuously variable (Nor mal/LFE switch set to “Normal”) Drivers F our 6" x 6" (15[...]

N O TES Cascade 15 OM 9/14/05 2:35 PM Page 23[...]

Infinity Systems, 250 Crossways P ark Driv e, Woodbury , NY 11797 USA 516.674.4INF (4463) (USA only) www .infinitysystems.com Infinity and Harman International ar e register ed trademarks, and Cascade, Room Adaptiv e Bass Optimization System and R.A.B.O.S . are trademarks, of Harman International Industries, Incorporated. Dolby is a register ed tra[...]