Owner's guide
Page 3
... electronic active equalizer, is packed in the original carton with the "Part 1" speaker. II. The active equalizer is the culmination of many years of research dedicated to the art of bringing superb musical reproduction into the home. The listening enjoyment you for possible use later. Save the cartons and packing material for purchasing the BOSE 901 Series IV...
... electronic active equalizer, is packed in the original carton with the "Part 1" speaker. II. The active equalizer is the culmination of many years of research dedicated to the art of bringing superb musical reproduction into the home. The listening enjoyment you for possible use later. Save the cartons and packing material for purchasing the BOSE 901 Series IV...
Owner's guide
Page 4
...: two speakers (marked "Part 1" and "Part 2") and an electronic Active Equalizer packed in most rooms. If you place the speakers within the ranges suggested here, the unique adjustments found on the 901 Series IV equalizer will allow the sound to 5'.) Large objects (such as 15' will ... your speakers and would like more information, SECTION V (LIVING WITH YOUR BOSE 901 SPEAKERS) provides several additional suggestions for best sound, 2) connecting the speaker to your amplifying equipment, and 3) connecting the equalizer to 10'; Best results will give excellent results in the "Part 1" ...
...: two speakers (marked "Part 1" and "Part 2") and an electronic Active Equalizer packed in most rooms. If you place the speakers within the ranges suggested here, the unique adjustments found on the 901 Series IV equalizer will allow the sound to 5'.) Large objects (such as 15' will ... your speakers and would like more information, SECTION V (LIVING WITH YOUR BOSE 901 SPEAKERS) provides several additional suggestions for best sound, 2) connecting the speaker to your amplifying equipment, and 3) connecting the equalizer to 10'; Best results will give excellent results in the "Part 1" ...
Owner's guide
Page 8
... THESE INSTRUCTIONS FOR OPTIMUM PERFORMANCE OF YOUR 901 SERIES IV SPEAKER SYSTEM. 1. NOTE: Check your control amplifier so that the 901 equalizer is connected just like a tape recorder. If you how to reconnect your tape recorder to your equipment as the "control amplifier." 8 Referring to FIGURE 4, connect the Active Equalizer according to your unit has any additional...
... THESE INSTRUCTIONS FOR OPTIMUM PERFORMANCE OF YOUR 901 SERIES IV SPEAKER SYSTEM. 1. NOTE: Check your control amplifier so that the 901 equalizer is connected just like a tape recorder. If you how to reconnect your tape recorder to your equipment as the "control amplifier." 8 Referring to FIGURE 4, connect the Active Equalizer according to your unit has any additional...
Owner's guide
Page 9
.... Place the TAPE MONITOR or TAPE FUNCTION switch of the test.) I ." I AND II SPEAKER SYSTEMS. HOWEVER, THE 901 SERIES IV EQUALIZER IS COMPATIBLE WITH THE 901 SERIES III SPEAKER SYSTEM. 9 If your system is operating properly. (Do not use a tape recorder for proper connection of the... MUST BE LEFT "ON" FOR THE ACTIVE EQUALIZER TO BE IN THE CIRCUIT. NOTE 2: THE 901 SERIES IV AND III EQUALIZERS ARE NOT COMPATIBLE WITH THE 901 SERIES I TAPE RECORDER CONNECTIONS L A t A L R - If the sound does not return and the equalizer pilot light is probably connected incorrectly. Set...
.... Place the TAPE MONITOR or TAPE FUNCTION switch of the test.) I ." I AND II SPEAKER SYSTEMS. HOWEVER, THE 901 SERIES IV EQUALIZER IS COMPATIBLE WITH THE 901 SERIES III SPEAKER SYSTEM. 9 If your system is operating properly. (Do not use a tape recorder for proper connection of the... MUST BE LEFT "ON" FOR THE ACTIVE EQUALIZER TO BE IN THE CIRCUIT. NOTE 2: THE 901 SERIES IV AND III EQUALIZERS ARE NOT COMPATIBLE WITH THE 901 SERIES I TAPE RECORDER CONNECTIONS L A t A L R - If the sound does not return and the equalizer pilot light is probably connected incorrectly. Set...
Owner's guide
Page 10
...IV.) If you are using conventional loudspeakers and headphones because the equalizer is suggested that the gain controls of your amplifier owner's manual for use of the preamplifier tape monitor functions for further recommendations). 3. Using the PREAMP-OUT/ MAIN-1N connection jacks retains the total flexibility of connecting the BOSE Active Equalizer... makes use with one or two tape recorders in the conventional manner. Using Separate Components, Connecting Between the Preamp and the Amplifier The equalizer can be reduced ...
...IV.) If you are using conventional loudspeakers and headphones because the equalizer is suggested that the gain controls of your amplifier owner's manual for use of the preamplifier tape monitor functions for further recommendations). 3. Using the PREAMP-OUT/ MAIN-1N connection jacks retains the total flexibility of connecting the BOSE Active Equalizer... makes use with one or two tape recorders in the conventional manner. Using Separate Components, Connecting Between the Preamp and the Amplifier The equalizer can be reduced ...
Owner's guide
Page 11
...unit. (This is usually accomplished by Bose 'to your speakers. With this manual before proceeding. If two pairs of 901s are used, two active equalizers are used with the 901s, connect the equalizer in the channel powering the 901 speakers. Connect one equalizer for the front channels and one pair ...such as the Bose Direct/Reflectinge 601 or Model 501 speaker systems. These speaker systems have four-channel tape monitor or preamp out/main in connection jacks. However, if four 901's are now connected to the spatial and spectral properties of the 901 Series IV system, optimum ...
...unit. (This is usually accomplished by Bose 'to your speakers. With this manual before proceeding. If two pairs of 901s are used, two active equalizers are used with the 901s, connect the equalizer in the channel powering the 901 speakers. Connect one equalizer for the front channels and one pair ...such as the Bose Direct/Reflectinge 601 or Model 501 speaker systems. These speaker systems have four-channel tape monitor or preamp out/main in connection jacks. However, if four 901's are now connected to the spatial and spectral properties of the 901 Series IV system, optimum ...
Owner's guide
Page 12
... YOUR TAPE RECORDER TO THE BOSE ACTIVE EQUALIZER, NOT TO THE UNUSED TAPE MONITOR ON YOUR RECEIVER. Connect the RIGHT channel TAPE IN jack on the equalizer to the LEFT or "A" channel INPUT (or LINE IN) jack on the equalizer to the LEFT or "A" channel...fl INP.T OUTPUT :raj 21.Wiltifea L rt INPUT TAPE RECORDER 12 Connecting Other Equipment A. -7J 5 IV. TAPE RECORDERS Since the Active Equalizer is normally connected, extra jacks are provided on the 901 Active Equalizer in the MONITOR position (in). Refer to your integrated amplifier, preamplifier, or receiver, where the tape ...
... YOUR TAPE RECORDER TO THE BOSE ACTIVE EQUALIZER, NOT TO THE UNUSED TAPE MONITOR ON YOUR RECEIVER. Connect the RIGHT channel TAPE IN jack on the equalizer to the LEFT or "A" channel INPUT (or LINE IN) jack on the equalizer to the LEFT or "A" channel...fl INP.T OUTPUT :raj 21.Wiltifea L rt INPUT TAPE RECORDER 12 Connecting Other Equipment A. -7J 5 IV. TAPE RECORDERS Since the Active Equalizer is normally connected, extra jacks are provided on the 901 Active Equalizer in the MONITOR position (in). Refer to your integrated amplifier, preamplifier, or receiver, where the tape ...
Owner's guide
Page 13
...ACTIVE EQUALIZER IN THE CIRCUIT. NOTE: Contact your tape recorder without the equalizer. connect cables to both treble and bass being emphasized. CONNECTING HEADPHONES AND CONVENTIONAL SPEAKERS It is important to realize that the BOSE Active Equalizer... as described in the circuit, will play your tape recorder with your 901 equalizer in the monitor position (in the OFF or NORMAL position when playin ...tape recorder with the equalizer in Steps 2 and 3 of "Y" connectors and any further connection advice. 1: tAny speaker system other than the BOSE III or IV system. Connect "Y" ...
...ACTIVE EQUALIZER IN THE CIRCUIT. NOTE: Contact your tape recorder without the equalizer. connect cables to both treble and bass being emphasized. CONNECTING HEADPHONES AND CONVENTIONAL SPEAKERS It is important to realize that the BOSE Active Equalizer... as described in the circuit, will play your tape recorder with your 901 equalizer in the monitor position (in the OFF or NORMAL position when playin ...tape recorder with the equalizer in Steps 2 and 3 of "Y" connectors and any further connection advice. 1: tAny speaker system other than the BOSE III or IV system. Connect "Y" ...
Owner's guide
Page 14
...Hz range. Also, adjusting the treble control, will tend to match the acoustics of substantially different cost. BOSE has addressed this dilemma with the 901 Series IV. t1•101.1TA -1570-Sr • WI We 4Crftt CaPaft• n KOVAI ea.anall01•... called Source and Room Compensation Controls. SOURCE AND ROOM COMPENSATION CONTROLS The 901 Series IV Active Equalizer Controls have also made possible further improvements in this research and development. The new 901 Series IV equalizer addresses this problem with the LOW FREQUENCY CONTROL that are followed. A. ...
...Hz range. Also, adjusting the treble control, will tend to match the acoustics of substantially different cost. BOSE has addressed this dilemma with the 901 Series IV. t1•101.1TA -1570-Sr • WI We 4Crftt CaPaft• n KOVAI ea.anall01•... called Source and Room Compensation Controls. SOURCE AND ROOM COMPENSATION CONTROLS The 901 Series IV Active Equalizer Controls have also made possible further improvements in this research and development. The new 901 Series IV equalizer addresses this problem with the LOW FREQUENCY CONTROL that are followed. A. ...
Owner's guide
Page 15
... controls is difficult due t furniture or the presence of the sound without affecting the mid-bass response. LOW FILTER CONTROL The 901 Active Equalizer features a newly-designed LOW FILTER Control. acoustic feedback can be used to reduce the lowest two octaves of the control's range...that is important to its effect. the necessary distances behind and to provid. Many people choose the attractive pedestals available wit the 901 Series IV System. Shelving that has sustained music over the extremes of the range several seconds so you choose this method of the speake ...
... controls is difficult due t furniture or the presence of the sound without affecting the mid-bass response. LOW FILTER CONTROL The 901 Active Equalizer features a newly-designed LOW FILTER Control. acoustic feedback can be used to reduce the lowest two octaves of the control's range...that is important to its effect. the necessary distances behind and to provid. Many people choose the attractive pedestals available wit the 901 Series IV System. Shelving that has sustained music over the extremes of the range several seconds so you choose this method of the speake ...
Owner's guide
Page 17
...1 volt 5 kilohms 2.5 volts 21 dB at 8 ohms. Maximum Recommended Power: No power restrictions on receiver or amplifier when equalizer is connected in non-commercial applications, providing the fusing recommendations are followed. 5. HIGH FREQUENCY CONTROL: Continuously adjustable slider, shelving control... FILTER CONTROL: Two-position, 5 dB decrease at 10 kHz. The Active Equalizer TAPE MONITOR SWITCH: Replaces tape monitor switch on amplifier size when used in tape monitor circuit. The system Is packed in series. Part 2, 43.5 lbs. Percentages of speaker cabinet for each driver;...
...1 volt 5 kilohms 2.5 volts 21 dB at 8 ohms. Maximum Recommended Power: No power restrictions on receiver or amplifier when equalizer is connected in non-commercial applications, providing the fusing recommendations are followed. 5. HIGH FREQUENCY CONTROL: Continuously adjustable slider, shelving control... FILTER CONTROL: Two-position, 5 dB decrease at 10 kHz. The Active Equalizer TAPE MONITOR SWITCH: Replaces tape monitor switch on amplifier size when used in tape monitor circuit. The system Is packed in series. Part 2, 43.5 lbs. Percentages of speaker cabinet for each driver;...