Owner's guide
Page 2
... OUT and MAIN IN Connections with Receiver or Integrated Amplifier) 3. II. VIII. Connecting A Tape Recorder E. III. Connecting The Speakers 1, Selecting The Speaker Wire 2. The Only System Better Than A Pair of 901s In Case of Your 901 Speakers A. Phasing Your 901 Speakers 3. Adjusting Speaker Placement 8. IV. Connecting Headphones or Conventional Speakers Getting The Most Out of Difficulty Technical Information Accessories and...
... OUT and MAIN IN Connections with Receiver or Integrated Amplifier) 3. II. VIII. Connecting A Tape Recorder E. III. Connecting The Speakers 1, Selecting The Speaker Wire 2. The Only System Better Than A Pair of 901s In Case of Your 901 Speakers A. Phasing Your 901 Speakers 3. Adjusting Speaker Placement 8. IV. Connecting Headphones or Conventional Speakers Getting The Most Out of Difficulty Technical Information Accessories and...
Owner's guide
Page 3
...packing materials for purchasing the BOSE 901 Series 31Direct/Reflecting r speaker system. Point the vee toward the wall. The distance of the 8OSE 901 speaker system is that it is designed to accommodate surfaces which your BOSE 901s culminates many years of ...901 speaker system is very important. These major differences contribute directly to the art of the 901. II. 4 INTRODUCTION r Thank you for possible use later.) If either the speakers or the Equalizer are visibly damaged when you unpack them, do not place the system in operation. THE BOSE 901 with your 901s...
...packing materials for purchasing the BOSE 901 Series 31Direct/Reflecting r speaker system. Point the vee toward the wall. The distance of the 8OSE 901 speaker system is that it is designed to accommodate surfaces which your BOSE 901s culminates many years of ...901 speaker system is very important. These major differences contribute directly to the art of the 901. II. 4 INTRODUCTION r Thank you for possible use later.) If either the speakers or the Equalizer are visibly damaged when you unpack them, do not place the system in operation. THE BOSE 901 with your 901s...
Owner's guide
Page 4
..., they should be obtained with powerful magnets which does not appear to block the radiation and reflection of your BOSE 901 speakers. The 901s can be the same for connecting the speakers to your speakers exactly half-way between 4 and 15 feet. (Best results will be at each other large pieces of the...18 gauge zipcord (or two-conductor wire) 16 gauge two-conductor wire 14 gauge two-conductor wire One Pair of 901s 33 feet 54 feet 86 feet Two Pairs of BOSE 901 speaker system(s). DO NOT place your amplifier has too much resistance, audible colora. • Lion of the sound and ...
..., they should be obtained with powerful magnets which does not appear to block the radiation and reflection of your BOSE 901 speakers. The 901s can be the same for connecting the speakers to your speakers exactly half-way between 4 and 15 feet. (Best results will be at each other large pieces of the...18 gauge zipcord (or two-conductor wire) 16 gauge two-conductor wire 14 gauge two-conductor wire One Pair of 901s 33 feet 54 feet 86 feet Two Pairs of BOSE 901 speaker system(s). DO NOT place your amplifier has too much resistance, audible colora. • Lion of the sound and ...
Owner's guide
Page 5
...right channel amplifier outputs (See Fig. 2). The fuse should be connected in series with the Part 1 portion of your 901 system. 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. ...The Tape Monitor Circuit) To provide the proper balance at all amplifier and speaker terminals are tightened securely. • If two pairs of a fast acting fuse in your room. Because of BOSE 901s. A fuse holder, like a BUSS 3833.1 or a LITTELFUSE 356001, may be connected in series with each...
...right channel amplifier outputs (See Fig. 2). The fuse should be connected in series with the Part 1 portion of your 901 system. 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. ...The Tape Monitor Circuit) To provide the proper balance at all amplifier and speaker terminals are tightened securely. • If two pairs of a fast acting fuse in your room. Because of BOSE 901s. A fuse holder, like a BUSS 3833.1 or a LITTELFUSE 356001, may be connected in series with each...
Owner's guide
Page 8
ALTERNATE METHOD II (Using separate PREAMPLIFIERS and POWER AMPLIFIERS) g...g 2sts7,--t a .(113•.... -77:L.'S ....,g17,7 in systems that these controls be connected in ±f OD wow 41.10,1 V .I Iit te • it is difficult to use conventional speakers or headphones, because the Equal•... izer is that it P: I ILL:?:117, 0 FIG. 4 An alternate method of connecting the BOSE Active Equalizer makes use an additional pair of conventional loudspeakers ...
ALTERNATE METHOD II (Using separate PREAMPLIFIERS and POWER AMPLIFIERS) g...g 2sts7,--t a .(113•.... -77:L.'S ....,g17,7 in systems that these controls be connected in ±f OD wow 41.10,1 V .I Iit te • it is difficult to use conventional speakers or headphones, because the Equal•... izer is that it P: I ILL:?:117, 0 FIG. 4 An alternate method of connecting the BOSE Active Equalizer makes use an additional pair of conventional loudspeakers ...
Owner's guide
Page 9
...amplifier, preamplifier, or receiver, extra terminals are constructed to Fig. 6.1 a. Clad rims simii ... Since the BOSE Active Equalizer must be in the circuit while the 901 • speakers are being turned on or "activated" at a point in the signal path following the four'channel decoder ...tion of the tape recorder is now complete. Installation of the amplifier channels powering the 901 speakers. Similarly, connect the LEFT channel TAPE OUT terminal on the Equalizer to the BOSE Equalizer tape monitor circuit, not the unused TAPE monitor position found on the Equalizer for...
...amplifier, preamplifier, or receiver, extra terminals are constructed to Fig. 6.1 a. Clad rims simii ... Since the BOSE Active Equalizer must be in the circuit while the 901 • speakers are being turned on or "activated" at a point in the signal path following the four'channel decoder ...tion of the tape recorder is now complete. Installation of the amplifier channels powering the 901 speakers. Similarly, connect the LEFT channel TAPE OUT terminal on the Equalizer to the BOSE Equalizer tape monitor circuit, not the unused TAPE monitor position found on the Equalizer for...
Owner's guide
Page 10
... the floor, the ceiling, or the side walls. MORE IMPORTANTLY, HEADPHONES OR CONVENTIONAL SPEAKERS MAY BE DAMAGED BY PLAYING WITH THE BOSE 901 EQUALIZER CONNECTED IN THE CIRCUIT. GETTING THE MOST OUT OF YOUR 901 SPEAKERS A. The primary influence of male voice, the low guitar range, string bass, cello...the wall than 15 feet. E. CONNECTING HEADPHONES OR CONVENTIONAL SPEAKERS It is too broad, or if there appears to or farther from the wall than BOSE 901s. Moving the vee (the back of the 901) of speakers other speakers or headphones are 3 reasons you should switch the Equalizer out...
... the floor, the ceiling, or the side walls. MORE IMPORTANTLY, HEADPHONES OR CONVENTIONAL SPEAKERS MAY BE DAMAGED BY PLAYING WITH THE BOSE 901 EQUALIZER CONNECTED IN THE CIRCUIT. GETTING THE MOST OUT OF YOUR 901 SPEAKERS A. The primary influence of male voice, the low guitar range, string bass, cello...the wall than 15 feet. E. CONNECTING HEADPHONES OR CONVENTIONAL SPEAKERS It is too broad, or if there appears to or farther from the wall than BOSE 901s. Moving the vee (the back of the 901) of speakers other speakers or headphones are 3 reasons you should switch the Equalizer out...
Owner's guide
Page 11
..., the sound can be directed downward by angling the rear of the speaker down. This control causes a uniform reduction in mind that each 901 weighs 33 pounds; The hardware is a useful method of installation where speaker placement might be difficult due to furniture, location of doorways, and/or... playing loud musical material with a great deal of the 901 cabinet via decorative hooks or eyelets screwed into an adjacent room. (See Fig. 7.1 The 901s also can be hung from older turntables or recordings. 11 The 901 speaker should be directed downward after it is labeled BELOW 40....
..., the sound can be directed downward by angling the rear of the speaker down. This control causes a uniform reduction in mind that each 901 weighs 33 pounds; The hardware is a useful method of installation where speaker placement might be difficult due to furniture, location of doorways, and/or... playing loud musical material with a great deal of the 901 cabinet via decorative hooks or eyelets screwed into an adjacent room. (See Fig. 7.1 The 901s also can be hung from older turntables or recordings. 11 The 901 speaker should be directed downward after it is labeled BELOW 40....
Owner's guide
Page 13
...a sound system. IMPROVING ROOM ACOUSTICS The acoustical properties of 100 to 270 watts rms per channel into 8 ohms. An amplifier of speakers. However, using two pairs of 901s substantially adds to Position 2 or Position 1. The same distances aPPly, from the first pair (See Fig. 11). In the final... watts rms per channel into 8 ohms. To reproduce the highest sound levels in such a room, but it . The properties of the 901. The BOSE 901 can handle much absorbing material tend to Position 4 or Position 5. This can deliver 50.70 watts rms per channel or more power than...
...a sound system. IMPROVING ROOM ACOUSTICS The acoustical properties of 100 to 270 watts rms per channel into 8 ohms. An amplifier of speakers. However, using two pairs of 901s substantially adds to Position 2 or Position 1. The same distances aPPly, from the first pair (See Fig. 11). In the final... watts rms per channel into 8 ohms. To reproduce the highest sound levels in such a room, but it . The properties of the 901. The BOSE 901 can handle much absorbing material tend to Position 4 or Position 5. This can deliver 50.70 watts rms per channel or more power than...
Owner's guide
Page 14
... AUTHORIZATION NUMBER on the outside of your power amplifier. TECHNICAL INFORMATION A. izer. If the trouble moves to the other speaker, it becomes necessary to return your 901s are not defective. As noted earlier in the Equalizer, be sure that the cables are defective; Authorized Service Agency or... connect the second pair of speakers, simply connect the 8 OHMS terminal of the second left speaker to the 8 OHMS terminal of the first left and right channel speaker cables at high sound levels which must be in this reason, the BOSE 901 is returned to determine whether your...
... AUTHORIZATION NUMBER on the outside of your power amplifier. TECHNICAL INFORMATION A. izer. If the trouble moves to the other speaker, it becomes necessary to return your 901s are not defective. As noted earlier in the Equalizer, be sure that the cables are defective; Authorized Service Agency or... connect the second pair of speakers, simply connect the 8 OHMS terminal of the second left speaker to the 8 OHMS terminal of the first left and right channel speaker cables at high sound levels which must be in this reason, the BOSE 901 is returned to determine whether your...
Owner's guide
Page 15
... Radiation Power radiated by reflection: 89% Power radiated directly: 11% (Design percentages based on each ceramic magnet: 9.6 ounces G. They are available for the 901. The Speaker Dimensions: 20-9/16" W x 12-3/4" H x 12-7/8" D Weight: 33 pounds Nominal Impedance: 8 ohms C. PEDESTALS Specially designed pedestals are 18 inches high...wire size recommendations of walnut grain around the entire cabinet. VII. • ACCESSORIES AND OPTIONS WALNUT FACINGS The BOSE 901 is available with high energy magnets to provide the rich look of Table 1 on any frequency: 50 watts Minimum...
... Radiation Power radiated by reflection: 89% Power radiated directly: 11% (Design percentages based on each ceramic magnet: 9.6 ounces G. They are available for the 901. The Speaker Dimensions: 20-9/16" W x 12-3/4" H x 12-7/8" D Weight: 33 pounds Nominal Impedance: 8 ohms C. PEDESTALS Specially designed pedestals are 18 inches high...wire size recommendations of walnut grain around the entire cabinet. VII. • ACCESSORIES AND OPTIONS WALNUT FACINGS The BOSE 901 is available with high energy magnets to provide the rich look of Table 1 on any frequency: 50 watts Minimum...
Owner's guide
Page 16
... We assume no unauthorized repairs have been made. 4. TAKE THE UNIT TO YOUR DEALER. The speaker is limited to improper packing is effective only if the defect develops in accordance with BOSE. Our responsibility is used in a normal installation, under warranty. 2. HE WILL ARRANGE FOR REPAIRS...by abuse, neglect or accident, and no liability for either parts or labor. FIVE YEAR WARRANTY We warrant the BOSE 901 speaker system to the BOSE Factory or BOSE Factory -Authorized Service Agencies. The serial number must be recognized as an insurance claim by original sales slip or ...
... We assume no unauthorized repairs have been made. 4. TAKE THE UNIT TO YOUR DEALER. The speaker is limited to improper packing is effective only if the defect develops in accordance with BOSE. Our responsibility is used in a normal installation, under warranty. 2. HE WILL ARRANGE FOR REPAIRS...by abuse, neglect or accident, and no liability for either parts or labor. FIVE YEAR WARRANTY We warrant the BOSE 901 speaker system to the BOSE Factory or BOSE Factory -Authorized Service Agencies. The serial number must be recognized as an insurance claim by original sales slip or ...