Bose 901 Series II Owner's guide

Bose 901 Series II Manual

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  • Bose 901 Series II | Owner's guide - Page 1
    OWIMFH- O A UAL FOR @Oil SERIES OD DOD CIT/DEIRLIECTEG€ 812G ER SYSTEM os
  • Bose 901 Series II | Owner's guide - Page 2
    'S MANUAL TABLE OF CONTENTS I. II. III. IV. V. VI. VII. VIII. Introduction Unpacking Your 901s Installation of Your 901s A. Speaker Placement B. Connecting The Speakers 1, Selecting The Speaker Wire 2. Phasing Your 901 Speakers 3. Fusing Your 901 Speakers C. Connecting The Equalizer 1. Preferred
  • Bose 901 Series II | Owner's guide - Page 3
    901 Series 31Direct/Reflecting r speaker system. The listening enjoyment ex- perienced with your BOSE 901s culminates many years of research and dedication to the art of bringing the finest musical reproduction into your home. THE BOSE 901 with its unique shape, 9 drivers, and Active Equalizer
  • Bose 901 Series II | Owner's guide - Page 4
    does not appear to block the radiation and reflection of the sound into the room. The 901s can be placed on pedestals or tables, on power can result. The table below summarizes the permissible wire lengths for 18, 16, and 14 gauge two-conductor copper wire for one or two pairs of BOSE 901 speaker
  • Bose 901 Series II | Owner's guide - Page 5
    356001, may be used for convenience. (For two pairs of BOSE 901s. use two 6-ampere fuses.) C. CONNECTING THE EQUALIZER THIS PART OF THE INSTALLATION DIFFERS FROM THAT OF CONVENTIONAL SPEAKER SYSTEMS. BE CERTAIN TO FOLLOW THE INSTRUCTIONS GIVEN BELOW, STEP BY STEP. 1. PREFERRED METHOD (Using The Tape
  • Bose 901 Series II | Owner's guide - Page 6
    we will call these various components the "control amplifier." The 901 Equalizer is normally connected to your control amplifier as if it were . 3 Referring to Figure 3, connect the Equalizer according to the instructions in Steps a through n: a. Turn off all power to your equipment. b. If you have
  • Bose 901 Series II | Owner's guide - Page 7
    Equalizer Equalizer Equalizer is plugged into an operating AC outlet by observing that the pilot light on the Equalizer the Equalizer Equalizer pilot light is on, then the Equalizer Equalizer will no longer be functioning in the circuit. Since the system will be playing and the Equalizer Equalizer 901
  • Bose 901 Series II | Owner's guide - Page 8
    An alternate method of connecting the BOSE Active Equalizer makes use of the PRE•AMP OUT and MAIN IN jacks provided by many manufacturers on their receivers or integrated amplifiers. To do this refer to your receiver and integrated amplifier owner's instruction manual for separating the main and
  • Bose 901 Series II | Owner's guide - Page 9
    METHOD Ill (Using FOUR-CHANNEL DECODERS) As previously stated, the BOSE Active Equalizer should be connected before the final stage of amplifica• tion of the amplifier channels powering the 901 speakers. Additionally, the Equalizer should be connected at a point in the signal path following the
  • Bose 901 Series II | Owner's guide - Page 10
    It is important to remember that the BOSE 901 Active Equalizer introduces substantial boost in the range below 100 Hz and above 3000 Hz to match the power response of the 901 speakers. This means that if other speakers or headphones are played while the Equalizer is in the circuit, they will radiate
  • Bose 901 Series II | Owner's guide - Page 11
    angling the rear of the speaker down. The sound will then be directed downward after it is reflected off the rear wall. The speaker can be tilted in this manner by adjusting the length of the rear chain(s). B. ADJUSTING THE EQUALIZER CONTROLS 901 ACTIVE EQUALIZER • rm.! COMM. 10.0* 10 • lliGn
  • Bose 901 Series II | Owner's guide - Page 12
    1. FREQUENCY RESPONSE CONTOURS OF THE 805E 901 SERIES ii ACTIVE EOt/RuZER WITH THE miG. FREQUEWCY SWITCH IN THE DECREASE POSITION \-/ 20 50 100 500 1.000 5.000 I 10.000 N--- 20K FIG. 10 HIGH FREQUENCY The next frequency control of the 901 Equalizer is labeled HIGH FREQ. If the control
  • Bose 901 Series II | Owner's guide - Page 13
    be most pleased with the 901 system. The BOSE 901 can handle much more power than conventional loudspeaker systems. 901. E. THE ONLY SYSTEM BETTER THAN A PAIR OF 901s The 901 was designed to outperform all other high fidelity speakers, regardless of their size or price. If we were to make a speaker
  • Bose 901 Series II | Owner's guide - Page 14
    each pair of speakers to the 4 OHM terminals of your power amplifier. V. IN CASE OF DIFFICULTY If you suspect that there is a problem with your 901 system, it is worth a few minutes of your time to determine whether your 901s are defective; and if so, that you return only that part of the system
  • Bose 901 Series II | Owner's guide - Page 15
    ounces G. The Active Equalizer Dimensions: 2.13/16" H x 9.1/4" W x 63/4" 0 Input Impedance: 150k ohms Output Impedance: less than 100 ohms Minimum Load Impedance: 5k ohms Maximum Output Voltage: 4.0 volts Maximum Gain: 18 d8 at 35 Hz. VII. • ACCESSORIES AND OPTIONS WALNUT FACINGS The BOSE 901 is
  • Bose 901 Series II | Owner's guide - Page 16
    2. The speaker is used in accordance with instructions in Owner's Manual. 3. Such defect was not caused by abuse, neglect or accident, and no unauthorized repairs have been made. 4. Our responsibility is limited to the repair and replacement of units properly packed and returned PREPAID to the BOSE
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