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Cascade 15 OM 9/14/05 2:35 PM Page 1
™
CASCADE
Compact Powered Subwoofer
™
CASCADE MODELFIFTEEN
Owner’s Guide
(120V)
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Cascade 15 OM 9/14/05 2:35 PM Page 2 IMPORTANT SAFETY PRECAUTIONS Read First! used, use caution when moving the cart/apparatus 18. An outside antenna system should not be combination to avoid injury from tip-over. located in the vicinity of overhead power lines CAUTION or other electric light or power circuits, or where 13. Unplug this apparatus during lightning storms RISK OF ELECTRIC SHOCK
it can fall into such power lines or circuits.When or when unused for long periods of time. DO NOT
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Cascade 15 OM 9/14/05 2:35 PM Page 3 CASCADE MODEL FIFTEEN OWNER S GUIDE ’ Table of Contents ii Important Safety Precautions 1 Unpacking the Subwoofer 1 Placement 2 Controls and Connections 3 Connections 4 Operation ™ ™ 5 Room Adaptive Bass Optimization System (R.A.B.O.S. ) 6 Contents of the R.A.B.O.S.Test CD 6 The R.A.B.O.S. Sound-Level Meter (RSLM) 6 RSLM Placement 7 Initial System-Level Setting 7 Setting the Subwoofer Test Level 7 Performing Low-Frequency Measurements 9 What Does a Parame
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Cascade 15 OM 9/14/05 2:35 PM Page 4 ™ Infinity Cascade Model Fifteen The Infinity Cascade Model Fifteen continues Infinity’s long- standing commitment to accurate sound reproduction. Our advanced drivers, high-powered amplifier and proprietary Room ™ Adaptive Bass Optimization System, along with a rigid, well- braced enclosure, combine to deliver uncompromising bass performance in any stereo or multichannel home theater. In addition, the slim profile allows for easy integration into any res
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Cascade 15 OM 9/14/05 2:35 PM Page 5 CONTROLS AND CONNECTIONS Rear Panel ¡ ™ £ ¢∞ § ª ¶ ‚ ⁄ • B Bass Optimization Controls (see page 5) ¡ Line-Level Inputs ª ™ R.A.B.O.S. Selector Line-Level Outputs ‚ £ Center-Frequency Adjustment Power Indicator ⁄ ¢ Bass Optimization System Level Adjustment Subwoofer Level (Volume) Control B ∞ Bass Optimization System Bandwidth Adjustment Crossover Adjustment § Phase Switch ¶ Normal/LFE Selector • Power Switch 2 CASCADE MODEL FIFTEEN
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Cascade 15 OM 9/14/05 2:35 PM Page 6 CONNECTIONS ® ® If you have a Dolby Digital or DTS receiver/processor If your receiver/processor has subwoofer with a low-frequency-effects (LFE) output: outputs for the left and right channels: SUBWOOFER OR LFE OUTPUT • Set Normal/LFE Switch to Normal. • Set Normal/LFE Switch to LFE. NOTE: Some receivers have a single subwoofer output (do not confuse NOTE: In this case, you do not need to use a Y-connector. Simply this with a single LFE output as descri
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Cascade 15 OM 9/14/05 2:35 PM Page 7 OPERATION Power On Crossover Adjustments Plug your subwoofer’s AC cord into a wall outlet. Do not use the NOTE: This control will have no effect if the Normal/LFE Selector outlets on the back of the receiver. Switch ¶ is set to “LFE.”If you have a Dolby Digital or DTS ¢ processor/receiver, the Crossover Frequency is set by the Initially set the Subwoofer Level (Volume) Control to the “min”position. processor/receiver. Consult your owner’s manual to learn
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Cascade 15 OM 9/14/05 2:35 PM Page 8 ™ ™ ROOM ADAPTIVE BASS OPTIMIZATION SYSTEM (R.A.B.O.S. ) Infinity’s R.A.B.O.S. is a simple-to-use, yet sophisticated, Performing R.A.B.O.S.Tests low-frequency calibration system. It is designed to work in These instructions assume you have already installed your conjunction with the Cascade Model Fifteen self-amplified subwoofer according to the information provided in the Owner’s subwoofer.The subwoofer contains a parametric equalizer Guide. It is also
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Cascade 15 OM 9/14/05 2:35 PM Page 9 Contents of the R.A.B.O.S.Test CD 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 Track Title Track Title always be illuminated.The function of the LEDs is described in 1 Welcome 32 Quick Retest 80Hz the following section. 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
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Cascade 15 OM 9/14/05 2:35 PM Page 10 or rattle during this test, it is highly recommended that you Initial System-Level Setting locate the source and eliminate its effects.This is actually a The following steps will set the playback level of the system to valuable room-diagnostic tool. the correct level for all tests that follow. Press Play ›.As Track 3 plays, watch the RSLM carefully.Watch Turn the system volume to minimum. for peak readings.The peak reading may be no more than a brief ¢ f
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Cascade 15 OM 9/14/05 2:35 PM Page 11 ›› Each of the following tracks produces a low-frequency test tone. When finished, press Skip I 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 test is the highest frequency (100Hz); therefore, you will be When you have completed the 23 measurements, you are ready to marking the template from righ
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Cascade 15 OM 9/14/05 2:35 PM Page 12 At this point, you may simply enter the data you just Width measured into the R.A.B.O.S. calculator, found on the The frequency range of the R.A.B.O.S. equalizer may be set from STOP
Infinity Web site at www.infinitysystems.com.After 5% to 50% of an octave in 21 steps.This setting defines how entering the data, this R.A.B.O.S. wizard will return the correct much of the Cascade Model Fifteen’s output will be equalized. ‚⁄ B settings for all three R.A.B.O
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Cascade 15 OM 9/14/05 2:35 PM Page 13 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. Figure 13. Placement of the Width Selector Apply pressure to the upper- and lower-left corners of the Figure 12. Width Selector Selector using the thumb and forefinger of your left hand. Now You will use the Measurement Template just
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Cascade 15 OM 9/14/05 2:35 PM Page 14 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. 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 set
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Cascade 15 OM 9/14/05 2:35 PM Page 15 Example 2. Two Response Peaks Example 3. Peak Adjacent to a Dip Figure 16.Two response peaks 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
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Cascade 15 OM 9/14/05 2:35 PM Page 16 1. Select a new test position: Cue the test track corresponding to Although it looks as though this system is quite bass-deficient, the center frequency of the dip. In the first example in Figure 18, this is actually indicative of a single, very narrow peak in excess › you would play Track 13 (56Hz). Press Play .You will see a of 10dB high. reading very close to what you had before. Now slowly move the RSLM around the area, if possible remaining within a
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Cascade 15 OM 9/14/05 2:35 PM Page 17 1. Select a new test position: Cue the test track corresponding to If your test data looks similar to the example in Figure 20, you the center frequency of the dip. In the example in Figure 19 you have a very favorable setup. Skip to the “Final System Balance” section on page 15. would play Tracks 14 (52Hz) and 18 (40Hz). Press Play›. You will see a reading very close to what you had before. Now slowly move the RSLM around the area, if possible remaining
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Cascade 15 OM 9/14/05 2:35 PM Page 18 If using more than one subwoofer, always adjust both subwoofers Final System Balance together.Adjust the controls as indicated by the Measurement › Cue Track 51 of the R.A.B.O.S.Test CD. Press Play . Increase Template. Each value shown in the table is represented by detents the system volume until the RSLM indicates –10dB. Now play in the R.A.B.O.S. controls. Simply count the number of detents Track 52.Adjust the subwoofer gain control until –10dB neces
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Cascade 15 OM 9/14/05 2:35 PM Page 19 MAINTENANCE AND SERVICE The enclosure may be cleaned using a soft cloth to remove fingerprints or to wipe off dust. All wiring connections should be inspected and cleaned or remade periodically.The frequency of maintenance depends on the metals involved in the connections, atmospheric conditions, and other factors, but once per year is the minimum. If a problem occurs, make sure that all connections are properly made and clean. If a problem exists in one
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Cascade 15 OM 9/14/05 2:35 PM Page 20 Frequency Width % Hz dB Frequency Width % Hz dB 17 CASCADE MODEL FIFTEEN
