Infinity FIFTEEN - Manual

¡ • ™ ¢∞ § ¶ ª ‚ ⁄ B £ 2 CASCADE MODEL FIFTEEN Rear Panel C ONTROLS AND C ONNECTIONS ¡ Line-Level Inputs ™ Line-Level Outputs £ Power Indicator ¢ Subwoofer Level (Volume) Control ∞ Crossover Adjustment § Phase Switch ¶ Normal/LFE Selector • Power Switch Bass Optimization Controls (see page 5) ª R.A....

3 CASCADE MODEL FIFTEEN C ONNECTIONS If you have a Dolby ® Digital or DTS ® receiver/processor with a low-frequency-effects (LFE) output: • Set Normal/LFE Switch to LFE. NOTE: In this case, you do not need to use a Y-connector. Simplyconnect the LFE output on your receiver/processor to either the le...

4 CASCADE MODEL FIFTEEN Power On Plug your subwoofer’s AC cord into a wall outlet. Do not use theoutlets on the back of the receiver.Initially set the Subwoofer Level (Volume) Control ¢ to the “min” position. Turn on your sub by pressing the Power Switch • on the rear panel. Auto On/Standby With the...

5 CASCADE MODEL FIFTEEN Infinity’s R.A.B.O.S. is a simple-to-use, yet sophisticated,low-frequency calibration system. It is designed to work inconjunction with the Cascade Model Fifteen self-amplifiedsubwoofer. The subwoofer contains a parametric equalizer that you will adjust as indicated by the R....

8 CASCADE MODEL FIFTEEN Each of the following tracks produces a low-frequency test tone.The range of these tests is from 100Hz down to 20Hz. Thefrequency of each test is announced before it begins. The firsttest is the highest frequency (100Hz); therefore, you will bemarking the template from right ...

9 CASCADE MODEL FIFTEEN At this point, you may simply enter the data you justmeasured into the R.A.B.O.S. calculator, found on theInfinity Web site at www.infinitysystems.com. After entering the data, this R.A.B.O.S. wizard will return the correctsettings for all three R.A.B.O.S. controls: ‚ , ⁄ and...

10 CASCADE MODEL FIFTEEN Using the Width 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. You will use the Measurement Template just completed...

11 CASCADE MODEL FIFTEEN The pointer on the slider will indicate the correct width setting.Enter this number in the Width field of the MeasurementTemplate. 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 sp...

12 CASCADE MODEL FIFTEEN Example 2. Two Response Peaks Characterized by two response peaks, approximately equal inamplitude and width. This requires that you make a choicebetween the two peaks. In situations like this, the higher-frequency peak will always be more audible and objectionable.Response ...

13 CASCADE MODEL FIFTEEN 1. Select a new test position: Cue the test track corresponding tothe center frequency of the dip. In the first example in Figure 18,you would play Track 13 (56Hz). Press Play › . You will see a reading very close to what you had before. Now slowly move theRSLM around the ar...

15 CASCADE MODEL FIFTEEN If using more than one subwoofer, always adjust both subwooferstogether. Adjust the controls as indicated by the MeasurementTemplate. Each value shown in the table is represented by detentsin the R.A.B.O.S. controls. Simply count the number of detentsnecessary, indicated by ...

16 CASCADE MODEL FIFTEEN M AINTENANCE AND S ERVICE The enclosure may be cleaned using a soft cloth to removefingerprints or to wipe off dust. All wiring connections should be inspected and cleaned orremade periodically. The frequency of maintenance depends onthe metals involved in the connections, a...

19 CASCADE MODEL FIFTEEN Cascade Model Fifteen Frequency Response 32Hz – 150Hz (–3dB) 29Hz – 150Hz (–6dB) Maximum Amplifier Output 800 Watts RMS (20Hz – 150Hz with no more than 0.1% THD) Crossover Frequency 50Hz – 150Hz, 24dB/octave, continuously variable (Normal/LFE switch set to “Normal”) Drivers ...