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Infinity 1.2s manual

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Table of contents for the manual

  • Page 1

    Owner’ s Guide I NTERMEZZO ™ 1.2 s[...]

  • Page 2

    ii INTERMEZZO 1.2s THIS INFINITY PRODUCT IS DESIGNED FOR 120-VOL T USE ONL Y! FOR DET AILED SAFETY PRECAUTIONS, PLEASE SEE FOLLOWING P AGE IN THIS OWNER’S MANUAL FOR “IMPOR T ANT SAFETY INSTRUCTIONS . ” The lightning flash with arr owhead symbol, within an equilateral triangle, is intended to alert the user to the pr esence of uninsulated “[...]

  • Page 3

    Read First! 1. Read Instructions. All the safety and oper ating instructions should be r ead befor e the product is operated. 2. Retain Instruc tions. The safety and oper ating instructions should be r etained for futur e ref erence . 3. Heed Warnings. All warnings on the product and in the operating instr uctions should be adhered to . 4. Follow I[...]

  • Page 4

    ii Caution iii Important Safety Pr ecautions 1 T echnology 1 Ceramic Metal Matr ix Diaphragms ™ (C.M.M.D. ) 1 Room-Fr iendly Acoustical Design 2 Unpacking the Product/Inc luded Accessories 3 Placement 4 Controls and Connections 5 Connection Methods 1– 4 8 Operation 9 Room Adaptiv e Bass Optimization System ™ (R.A.B.O.S .) 10 Contents of the R[...]

  • Page 5

    1 INTERMEZZO 1.2s Intermezzo Ser ies loudspeakers incorporate se veral inno vativ e technologies that, when implemented by exceptional engineering talent after hours upon hour s of subjective listening e valuations , result in a loudspeaker that r ealistically and accurately repr oduces the signal source with minimal distortion and color ation. Cer[...]

  • Page 6

    Power -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -13 -15 -18 U-R Batt Unpacking the Product Finish unpacking the speaker s and check the contents. If you suspect damage fr om transit, report it immediately to your dealer and/or deliv er y service. Keep the shipping carton and packing materials f or future use . Included Accessories . . . Grille Decor ativ [...]

  • Page 7

    3 INTERMEZZO 1.2s Since the installation of a subwoofer can be somewhat mor e complicated than installing full-range speaker s, it is essential that you read this section v ery carefully prior to connecting the subwoofer to your system. Should you hav e questions relating to your installation, it is advisable to call either your dealer or Infinity?[...]

  • Page 8

    1 AC-Cor d Input 2 Power Switch 3 Speaker -Lev el Inputs 4 Speaker -Lev el Outputs 5 High-Lev el High-Pass Filter Switch 6 Low-Lev el-Input Connectors 7 Low-Lev el-Output Connectors 8 Phase Switch 9 Low-Pass F ilter Switch J Var iable Low-Pass F ilter Adjustment K Subwoofer -Level Contr ol R.A.B.O.S. Controls L Center -F r equency Adjustment M R.A.[...]

  • Page 9

    The Infinity Intermezz o 1.2s offer s unprecedented f lexibility for connecting the system to any type of audio or home-theater system. Consult the table at right to determine which system descr iption most closely matches your own, then follow the hook-up method corr esponding to that system. If none of these system configurations seem to match yo[...]

  • Page 10

    – + + – – + + – INPUTS OUTPUTS PO WER 0 LOW-P ASS FIL TER LOW-PASS FIL TER LOW- LEVEL INPUT LOW- LEVEL OUTPUT HIGH-LEVEL HIGH-PASS FIL TER PHASE AC FUSE 6A 250V 180 80 50 130 ON OFF ON OFF INTERMEZZO 1.2s L R L R L R CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR 120V – 60HZ 6A SURROUND RECEIVER SUBWOOF[...]

  • Page 11

    7 INTERMEZZO 1.2s – + + – – + + – INPUTS OUTPUTS PO WER 0 LOW-P ASS FIL TER LOW-PASS FIL TER LOW- LEVEL INPUT LOW- LEVEL OUTPUT HIGH-LEVEL HIGH-PASS FIL TER PHASE AC FUSE 6A 250V 180 80 50 130 ON OFF ON OFF INTERMEZZO 1.2s L R L R L R CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR 120V – 60HZ 6A RECEIVE[...]

  • Page 12

    8 INTERMEZZO 1.2s Pow er On Plug your subwoofer’ s AC cor d into a wall outlet. Do not use the outlets on the back of the recei ver . Initially set the subwoofer’ s Lev el Control K to the “O” position. T urn on your sub by pr essing the power button 2 on the r ear panel. T urn on your entir e audio system and start a CD or movie sound- tra[...]

  • Page 13

    9 INTERMEZZO 1.2s 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 Infinity Intermezzo self-amplif ied subwoofer s. The Intermezzo 1.2s subwoof er contains a parametric equalizer that you will adjust as indicated by the R.A.B.O .S. test results . Following the[...]

  • Page 14

    10 INTERMEZZO 1.2s Power 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 descr ibed in the following section. • Power -On/Low Signal: This is indicated by the illumination of any LED on the bar graph. If the sound lev[...]

  • Page 15

    11 INTERMEZZO 1.2s Init ial System-Level Se tting The following steps will set the pla yback level of the system to the corr ect lev el for 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 channels .[...]

  • Page 16

    12 INTERMEZZO 1.2s 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); therefor e, you will be marking the template fr om right to left. Each frequency point is listed acro[...]

  • Page 17

    What Does a P arametric Equaliz er Do? The R.A.B.O .S. system uses one band of parametric equalization for r esponse correction. Parametr ic equalizer s are the most ver satile class of filters . The eff ect an equalizer will hav e on the signal is dependent on three par ameters. F requency: The equalizer will hav e maximum effect at one frequency [...]

  • Page 18

    14 INTERMEZZO 1.2s Using the Width Select or Read the following instr uctions carefully . The example presented ma y not look like the graph you just created. 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 cor re[...]

  • Page 19

    15 INTERMEZZO 1.2s The pointer on the slider will indicate the cor rect width setting. Enter this number in the Width field 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 contents as well. R[...]

  • Page 20

    16 INTERMEZZO 1.2s Example 2. Two Response P eaks: 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 extreme , can actually[...]

  • Page 21

    17 INTERMEZZO 1.2s 1. Select a new test position: Cue the test track corr esponding to the center frequency of the dip . In the first example in F igure 18, you would play T rack 13 (56Hz). Press Pla y › . Y ou will see a reading v ery close to what you had befor e. Now , slowly mov e the RSLM around the ar ea, if possible remaining within about [...]

  • Page 22

    18 INTERMEZZO 1.2s 1. Select a new test position: Cue the test track corr esponding to the center frequency of the dip . In the example in Figure 20 you would play T racks 14 (52Hz) and 18 (40Hz). Press Pla y › .Y o u will see a reading v ery close to what you had befor e. Now , slowly mov e the RSLM around the area, if possible remaining within [...]

  • Page 23

    19 INTERMEZZO 1.2s Y ou must use the R.A.B.O.S . key to adjust these controls . Always adjust both subwoofer s together . Using the adjustment key , 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 , ind[...]

  • Page 24

    20 INTERMEZZO 1.2s The Intermezzo 1.2s ma y be cleaned using a soft cloth, dampened with water only , to remov e fingerprints or to wipe off dust. The grille ma y be gently vacuumed. Stains may be remo ved with an aerosol c leaner , following its instructions . Do not use any solvents on the gr ille. All wiring connections should be inspected and c[...]

  • Page 25

    21 INTERMEZZO 1.2s Int ermezzo 1.2s Pow ered Subwoof er F requency Response: 23Hz – 130Hz (±3dB) 30Hz – 130Hz (±1.5dB) Subwoofer Amplifier Outpu t: 850 watts continuous (In to 8 Ω from 20Hz – 100Hz 2,600 watts peak with no more than 0.1% THD) 2nd- and 3rd-Order Harmonic Distort ion: <1% (20Hz – 130Hz @ 95dB SPL) Crossov er F requenci[...]

  • Page 26

    22 INTERMEZZO 1.2s Frequency Width Frequency Width Hz dB % Hz dB %[...]

  • Page 27

    23 INTERMEZZO 1.2s Frequency Width Frequency Width Hz dB % Hz dB %[...]

  • Page 28

    © 2000 Infinity Systems, Inc., 250 Crossways P ark Drive , W oodbury , NY 11797 USA (800) 553-3332 (USA Only) www.inf initysystems.com *T rademarks of Dolby Laboratories. B ASH is a registered trademar k of Indigo Corporation. THX is a registered trademark of Lucasf ilm, Ltd. DTS is a registered tr ademark of Digital Theater Systems, Inc. Infinity[...]