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Most Recent Bose 901 Series II Questions
Can I Use Any Speakers With Bose 901 Series Vi Active Equalizer
(Posted by stjamesr 10 years ago)
Bose Series 2 Eqalizer
When i purcased the package the seller disconected the plug from the cord to remove it from the cabi...
When i purcased the package the seller disconected the plug from the cord to remove it from the cabi...
(Posted by prichardson 12 years ago)
Bose 901 Series II Videos
Bose 901 Series II Demonstration
Duration: 3:09
Total Views: 22,847
Duration: 3:09
Total Views: 22,847
Vintage Bose 901 Series II with Equilizer Demonstration
Duration: 3:52
Total Views: 12,800
Duration: 3:52
Total Views: 12,800
Bose 901 Series II Speakers
Duration: 1:47
Total Views: 18,614
Duration: 1:47
Total Views: 18,614
Bose 901 Series II with Equalizer, Pioneer SA-8500II and Carver M-200t
Duration: 1:26
Total Views: 12,807
Duration: 1:26
Total Views: 12,807
Popular Bose 901 Series II Manual Pages
Owner's guide - Page 2
... and POWER AMPLIFIER) 4. Adjusting Speaker Placement 8. Selecting The Right Amplifier E. III. VII. Alternate Method I . The Only System Better Than A Pair of 901s In Case of Your 901s A. II. Connecting The Equalizer 1. IV. V. Preferred Method
(Using The Tape Monitor Circuit) 2. Adjusting The Equalizer Controls C. Improving Room Acoustics D. 901 SERIESIC OWNER'S MANUAL TABLE...
Owner's guide - Page 3
..., or sheetrock. perienced with its unique shape, 9 drivers, and Active Equalizer incorporates a number of placement and an unusually large "best listening area." PLEASE TAKE THE TIME TO READ THIS MANUAL, as wood. Unpack both cartons carefully. (Save the cartons and packing materials for purchasing the BOSE 901 Series 31Direct/Reflecting r speaker system. Point the vee toward the wall. The...
Owner's guide - Page 4
..., or other surfaces in the room. DO NOT place your BOSE 901 speakers. B. WIRE LENGTHS FOR EACH SPEAKER
Type of Speaker Hookup Wire
18 gauge zipcord (or two-conductor wire)
16 ... power can be obtained with powerful magnets which does not appear to block the radiation and reflection of the sound into adjacent rooms.
4. The following guidelines should be followed in placing the speakers...
Owner's guide - Page 5
... PART OF THE INSTALLATION DIFFERS FROM THAT OF CONVENTIONAL SPEAKER SYSTEMS. BE CERTAIN TO FOLLOW THE INSTRUCTIONS GIVEN BELOW, STEP BY STEP.
1. Connect the right speaker (Part 2) in your sound
5 FIG.2
Start with each speaker. A fuse holder, like a BUSS 3833.1 or a LITTELFUSE 356001, may be used , be sure that all frequencies, the 901 Active Equalizer must be used. (See Section IV...
Owner's guide - Page 6
... unclear, it may be switched on or off all integrated amplifiers, preamplifiers, and receivers. The 901 Equalizer is normally connected to a switched outlet of your control equipment so that the Equalizer connects like a recorder.
6 Turn off by the power switch of your integrated ampli• tier, receiver, or preamplifier. Using one of your control...
Owner's guide - Page 7
... a through I . Place the Equalizer TAPE switch in Section III D.
•
7 correctly. Place the 3 frequency contour controls so that the Equalizer has been removed from the circuit....Equalizer is later switched out, the system will no longer be corrected before proceeding further. Any errors must be functioning in the MONITOR position. NOTE: If the TAPE MONITOR switch of the 901...
Owner's guide - Page 8
... integrated amplifier owner's instruction manual for recommendations).
6 S
3. 2. ALTERNATE METHOD I (Using PRE•AMP OUT and MAIN IN Connections with most power amplifiers having gain controls that the tape monitor functions of connection is permanently in ±f OD wow 41.10,1 V .I ILL:?:117,
0
FIG. 4
An alternate method of connecting the BOSE Active Equalizer makes use an...
Owner's guide - Page 9
... decoders available, we suggest carefully reading the owner's instruction manuals of all power off. Follow the next five steps carefully: (Refer to the LEFT or "A" channel OUTPUT terminal of the amplifier channels powering the 901 speakers.
Installation of the associated equipment regarding system connection. Since the BOSE Active Equalizer must be in the signal path following the...
Owner's guide - Page 10
... floor, the ceiling, or the side walls.
IV. Do not move the vee more than 8 inches. This means that the BOSE 901 Active Equalizer introduces substantial boost in the same way by moving the speakers closer to change the appearance or usefulness of the speaker any closer to match the power response of sound into the room can...
Owner's guide - Page 11
... reducing "rumble" from older turntables or recordings.
11 ADJUSTING THE EQUALIZER CONTROLS
901 ACTIVE EQUALIZER
•
rm.! This control causes a uniform reduction in bass response of the 901 system is reflected off the rear wall. For instance, if you are attached to the CONTOUR position.
The speaker can be tilted in a high ceiling room, the sound can...
Owner's guide - Page 12
...DECREASE position, the frequency response of the various control settings upon the frequency response (taking the normal or "dotted...you
12 POSI NOV
l 4111i tll
D
4 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... of the 901 Equalizer is the normal, or "dotted" position. The third position is...
Owner's guide - Page 13
... SYSTEM BETTER THAN A PAIR OF 901s
The 901 was designed to make a speaker twice as big or twice as expensive as the 901, we were to outperform all other high fidelity speakers, regardless of their size or price. If we could not significantly improve its performance. and increasing the power available from the reflecting wall, floor, ceiling, and...
Owner's guide - Page 14
... of speakers to the 4 OHM terminals of your power amplifier. If this manual, if you are playing. (See Section IV, O.1
If the trouble seems to be in the Equalizer, be returned prepaid. If the trouble persists, contact your amplifier has separate output connections for the recording you hear distortion with the Equalizer out of the circuit. Authorized Service Agency...
Owner's guide - Page 15
... of the 901. (The wire size recommendations of Direct and Reflected Sound Radiation
Power radiated by reflection: 89%
Power radiated directly:
11%
(Design percentages based on kit and are available as a separate add-on concert hall acoustics)
D. Nominal driver diameter: 4.1/2"
Maximum driver excursion: +1/4"
Nominal driver impedance: 8 ohms Weight of fabrics. The Active Equalizer...
Owner's guide - Page 16
... only if the defect develops in a normal installation, under warranty. 2. The speaker is limited to the repair and replacement of FIVE years from defects in workmanship or performance. We assume no unauthorized repairs have been made. 4. removed, or otherwise obliterated, and must correspond to expedite repairs under normal use and service, within a period of units properly packed...
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