External Subwoofers: Difference between revisions
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=== Passive (unpowered) Loudspeakers === | === Passive (unpowered) Loudspeakers === | ||
{{Classic icon}}{{Model I icon}}{{Model II icon}} | {{Classic icon}}{{Model I icon}}{{Model II icon}} | ||
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==== {{Classic nl}} and {{Model I nl}}==== | ==== {{Classic nl}} and {{Model I nl}}==== | ||
{{ | {{Classic icon}}{{Model I icon}} | ||
For the sake of those attaching third party passive speakers (an unsupported application). | |||
Output if no {{B1}}s detected | |||
* 40-{{{Crossover|180}}} Hz Bandpass (that is: NO B1 EQ) | |||
If one or two {{B1}}s detected (or resistors used across NL4 2+ / 2- pins to emulate detection) | |||
* 40-{{{Crossover|180}}} Hz with different EQ curves. For details on how to do this see: [[Activating B1 EQ Curves]] | |||
For more details about the Power Stand outputs see: [[PS1 Power Stand / Bass Line Out]] | |||
==== {{Model II nl}}==== | ==== {{Model II nl}}==== | ||
{{ | {{Model II icon}} | ||
For the sake of those attaching third party passive speakers (an unsupported application). | |||
Output if no {{B1}}s detected | |||
* 40-{{{Crossover|200}}} Hz Bandpass (that is: NO B1 EQ) | |||
If one or two {{B1}}s detected (or resistors used across NL4 2+ / 2- pins to emulate detection) | |||
* 40-{{{Crossover|200}}} Hz with different EQ curves. For details on how to do this see: [[Activating B1 EQ Curves]] | |||
For more details about the Power Stand outputs see: [[L1® Model II Power Stand / Bass Line Out]] | |||
=== Active (powered) Loudspeakers=== | === Active (powered) Loudspeakers=== | ||
| Line 27: | Line 45: | ||
Please see [[PackLite® power amplifier Model A1]] for extensive notes that include ideas that can be applied to other systems. | Please see [[PackLite® power amplifier Model A1]] for extensive notes that include ideas that can be applied to other systems. | ||
== Ongoing discussion == | |||
[http://bose.infopop.cc/eve/forums/a/tpc/f/3976055944/m/178108737 I need more bass article - discussion] | |||
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[[Category:Bass]] | |||
[[Category:Unsupported Applications]] | |||
Latest revision as of 14:22, 21 September 2010
Passive (unpowered) Loudspeakers
Using loudspeakers other than the B1 Bass Module with any of the L1® systems is not supported. However you can safely try your own external subs if the impedance is no lower then 4 ohms (typically a single 4 ohm loudspeaker or two 8 ohm loudspeakers in parallel). The output from the Power Stand is 250 watts RMS into 4 ohms.
L1® Classic and L1® Model I
For the sake of those attaching third party passive speakers (an unsupported application).
Output if no B1 Bass Modules detected
- 40-180 Hz Bandpass (that is: NO B1 EQ)
If one or two B1 Bass Modules detected (or resistors used across NL4 2+ / 2- pins to emulate detection)
- 40-180 Hz with different EQ curves. For details on how to do this see: Activating B1 EQ Curves
For more details about the Power Stand outputs see: PS1 Power Stand / Bass Line Out
L1® Model II
For the sake of those attaching third party passive speakers (an unsupported application).
Output if no B1 Bass Modules detected
- 40-200 Hz Bandpass (that is: NO B1 EQ)
If one or two B1 Bass Modules detected (or resistors used across NL4 2+ / 2- pins to emulate detection)
- 40-200 Hz with different EQ curves. For details on how to do this see: Activating B1 EQ Curves
For more details about the Power Stand outputs see: L1® Model II Power Stand / Bass Line Out
Active (powered) Loudspeakers
Using powered loudspeakers with any of the L1® systems is not supported.
PackLite® power amplifier Model A1
The PackLite® power amplifier Model A1 is part the L1® System. It can be used to power up to two B1 Bass Modules. This is connected to the Power Stand Bass Line Out.
Third Party (non-Bose®) Systems
If you want to use a powered loudspeaker system, you can use the Power Stand Bass Line Out as the signal source. Here are notes specific to the L1® you are using.
You will probably use an powered loudspeaker in the same way as you would connect an PackLite® amp.
Please see PackLite® power amplifier Model A1 for extensive notes that include ideas that can be applied to other systems.
Ongoing discussion
I need more bass article - discussion