Bose 901 Series III Owner's guide

Bose 901 Series III Manual

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  • Bose 901 Series III | Owner's guide - Page 1
    ". • Owner's Manual .S SSS 901SERIESIII Direct/Reflecting® Speaker System :•• • .xl. 4;44'O4 V 4 ; to' ;PN Nit 1•431 tr41:".f414 • • • l< •114/11 z ken.? rip 4 " CA? • '4'. '44 I Alt , '4 iFfa •fi. r • • (
  • Bose 901 Series III | Owner's guide - Page 2
    3 II. Unpacking Instructions 3 III. The 901 Series III Loudspeaker System 4 A. Design Features B. Technological Innovations IV. Installation 6 A. Placing the Speakers B. Connecting the Speakers 1. Wire Selection 2. Phasing/Wiring 3. Fusing C. Connecting the Equalizer I . Using the
  • Bose 901 Series III | Owner's guide - Page 3
    TIME TO READ THESE INSTRUCTIONS CAREFULLY. With proper installation. you will be rewarded with the unique listening pleasure provided by your 901's. II. UnpackingInstructions The 901 Series III speaker system is packed in Iwo cartons marked "Part 1" and "Part 2." The active equalizer is found in the
  • Bose 901 Series III | Owner's guide - Page 4
    . The 901SeriesIIILoudspeaker System A. DESIGN FEATURES 1. Correct Balance of Reflected and Direct Sound The BOSE 901 Series III is designed to use your listening room walls to simulate the reflective properties of the much larger stage wall found behind the instruments of a live performance. The
  • Bose 901 Series III | Owner's guide - Page 5
    . The 901 Series III realizes additional advantages of active equalization with three new equalizer features: • More precise equalization of the audible sound spectrum made possible by significantly more complex equalization circuits. • Additional control flexibility. permitting optimum speaker
  • Bose 901 Series III | Owner's guide - Page 6
    x• IV. Installation Your 901 Series III speaker system consists of three parts: two speakers (marked "Part 1" and "Part 2") and an electronic Active Equalizer packed in the "Part 1" container. Installation consists of three steps: 1) placing your speakers (or best sound. 2) connecting the speaker
  • Bose 901 Series III | Owner's guide - Page 7
    tit The BOSE 901creates, in a living room. the high proportion of reflected sound heard at a live performance. Figure 2
  • Bose 901 Series III | Owner's guide - Page 8
    is marked to distinguish one conductor from the other), connect the "Part 1" speaker terminal marked "-" to the terminal marked "corn." "negative," or "minus" on the left channel amplifier output. (When connecting the 901 Series III loudspeakers to your amplifier, if there is a choice of impedances
  • Bose 901 Series III | Owner's guide - Page 9
    and should not be used with conventional amplifying equipment. f. Place the speaker marked "Part 2" on the right side of the room and repeat the connection procedure in series with the positive wire going to each speaker, placing the fuse in an easily accessible location. BOSE Corporation
  • Bose 901 Series III | Owner's guide - Page 10
    EQUALIZER IT IS MOST IMPORTANT THAT YOU FOLLOW THESE INSTRUCTIONS FOR OPTIMUM PERFORMANCE OF YOUR 901 SERIES III SPEAKER the Active Equalizer according to the following instructions: a. instruction manual and refer to the section describing the connection of a tape recorder. Remember, the equalizer
  • Bose 901 Series III | Owner's guide - Page 11
    THE TAPE MONITOR OF YOUR CONTROL AMPLIFIER MUST BE LEFT "ON" FOR THE ACTIVE EQUALIZER TO BE IN THE CIRCUIT. CHECK THE TAPE MONITOR SWITCH PERIODICALLY TO MAKE CERTAIN IT IS IN THE "ON" POSITION. NOTE 2: THE 901 SERIES III EQUALIZER IS NOT COMPATIBLE WITH THE 901 SERIES I AND II SPEAKER SYSTEMS. II
  • Bose 901 Series III | Owner's guide - Page 12
    owner's manual for further recommendations). 3. Using the Preamp-Out/Main-In Circuit An alternate method of connecting the BOSE Active Equalizer makes use permanently connects the equalizer in the circuit; this may prove inconvenient if you are using conventional speakers or headphones. (See
  • Bose 901 Series III | Owner's guide - Page 13
    the 901 Series III system, optimum performance is obtained when all four speaker systems are identical. However, if four 901's are not used, we suggest using speakers having similar spatial characteristics, such as the Bose Direct/ Reflecting' 501 or Model 301 speaker systems. These speaker systems
  • Bose 901 Series III | Owner's guide - Page 14
    MONITOR CIRCUITS, BE CERTAIN TO CONNECT YOUR TAPE RECORDER TO THE BOSE ACTIVE EQUALIZER, NOT TO THE UNUSED TAPE MONITOR ON YOUR RECEIVER. Installation of place the TAPE switch on the 901 Active Equalizer in the MONITOR position (in). r EQUALIZER AMPLIFIER CONNECTIONS TAPE RECORDER r CONNECTIONS
  • Bose 901 Series III | Owner's guide - Page 15
    amplifier on. Your tape recorder will then be connected directly to your high-fidelity system and will play without the equalizer. B. CONNECTINGHEADPHONES ANDCONVENTIONAL SPEAKERS It is important to realize that the BOSE Active Equalizer introduces substantial boost in the range below 100 Hz and
  • Bose 901 Series III | Owner's guide - Page 16
    . The BOSE 901 Series III Active Equalizer addresses this problem with a unique new control called the "Mid-bass Frequency Contour" control. This continuously variable slider control adjusts the spectral response of the 80- to 260-Hz range. If the speakers are placed close to the reflecting wall
  • Bose 901 Series III | Owner's guide - Page 17
    from your BOSE dealer and are convenient in placing the speaker system in your room. It you choose this method of support. instructions are provided with the pedestals for connecting and mounting the speaker system. A new pedestal (Model PS-3) is available for the 901 Series III and utilizes
  • Bose 901 Series III | Owner's guide - Page 18
    in two cartons marked "Part 1" and "Pad 2." Shipping Weight: Part I, 45.5 lbs. Part 2. 43.5 lbs. Carton Dimensions: 25%" x 16" x I 4ir 2. The Speaker Dimensions: 21" Wide x 12%" High x 13" Deep Weight: 35 lbs. Impedance: 8 ohms 3. Percentages of Direct and Reflected Sound Radiation Power radiated
  • Bose 901 Series III | Owner's guide - Page 19
    -220 VAC VOLTAGE CONVERSION The BOSE Series III Equalizer is designed to operate on one power line voltage only. If it becomes necessary to convert your equalizer to another line voltage, contact the closest BOSE Authorized Factory Service Agency or the BOSE factory (The speakers require no voltage
  • Bose 901 Series III | Owner's guide - Page 20
    . Should this unit fail within the warranty period, you should contact your nearest BOSE dealer for service instructions. The dealer may ask you to return the unit together with proof of purchase to him. or direct you to return the unit together with proof of purchase to the nearest authorized
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