Bose 901 Series VI DirectReflecting speaker system Sold from 1999 to present User Manual

AM195438_03_V.pdf                                                                                                   November 21, 2001                                                                                                                       11
Setting Up
2. Use the twin cable assemblies (with two connectors at each end) that are supplied with the
equalizer. Use one connector for the right (R) channel connections and the other connector
for the left (L) channel connections.
3. Connect the...

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Setting Up
Testing the speakers and equalizer
Choose the test method appropriate to your system:
To test the TAPE MONITOR connection
1. Turn off or disconnect any non-901 speakers or headphones that may be connected.
2.  On the 901
® active equalizer, press the MONITOR button IN to TAPE, and the BASS
button OUT to position 1.
3. Set the MID-BASS and MID-TREBLE sliders to center positions.
4.  Press your receiver or amplifier...

AM195438_03_V.pdf                                                                                                   November 21, 2001                                                                                                                       13
Setting Up
5.  Move the receiver BALANCE control to the extreme left and then to the extreme right.
This tests the left and right channel orientation. If the channels are reversed, check the
connections.
6. Turn off the receiver and temporarily unplug...

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Playing your speakers
Always use the 901® active equalizer when playing your 901 speakers. How you set the
equalizer depends on how it is connected to your receiver.
When connected to TAPE MONITOR
Press your receiver TAPE MONITOR button to the IN or MONITOR position. This switches
the equalizer into the system. Check periodically to be sure the TAPE MONITOR is engaged.
On some receivers the button may be labeled RECORD SELECT...

AM195438_03_V.pdf                                                                                                   November 21, 2001                                                                                                                       15
Using Your 901® Series VI Speaker System
Adjusting the sound
Adjust the sound using the MID-TREBLE and MID-BASS sliders and BASS control on the
901® active equalizer. Use the tone controls on your receiver only after the MID-TREBLE and
MID-BASS sliders...

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Using Your 901® Series VI Speaker System
Equalizer compatibility
The Bose® 901® Series VI active equalizer is designed for specific use with
Bose 901 Series VI speakers. It may also be used with 901 Series V speakers.
WARNING:  Bose 901 Series I, II, III, or IV speakers require a substantially
different equalization. The 901 Series VI active equalizer must not be used
with Series I – IV speakers. For additional information on...

AM195438_03_V.pdf                                                                                                   November 21, 2001                                                                                                                       17
Maintaining Your 901®Series VI Speaker System
Cleaning your speakers
If your 901® speakers have a painted surface, clean with a soft damp cloth.  If necessary, use
a mild detergent such as dish soap. If the speakers have a wood veneer finish, clean them...

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Product Information
901 Series VI active equalizer
Input Impedance
47 k ohms (47 kΩ)
Output Impedance
1 k ohm
Usable dynamic range
106 dB @ 35 Hz
Noise (A-weighted)
Greater than 90 dB below 1 volt
Distortion
Less than 0.09% THD at 1 kHz, 1 V input
Compensation controls
Mid-Bass, ±6 dB @ 225 Hz
Mid-Treble, ±6 dB @ 3 kHz
Bass Switch
– 6 dB @ 35 Hz
Power Requirements
120V ~ 50/60Hz, 3.5W
220-240V ~ 50/60Hz 3.5W
100V ~ 50/60Hz...

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