L1® PackLite® A1 Amplifier / FAQ: Difference between revisions

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The A1 is designed for 4-ohm loudspeaker loads capable of 250W RMS. The MB4, MB24 and

802® are rated at an impedance of 8-ohms nominal. Coupled with higher power requirements at their load rating, the A1 is slightly underpowered for use with those loudspeakers. We recommend the Bose® 1600 or Bose 1800 amplifier together with the Panaray® controller to properly drive those loudspeakers. For more information, please visit [http://www.pro.bose.com/ ~~<font color="#0000FF">===~~ www.pro.Bose.com] ~~=== </font>~~.

802® are rated at an impedance of 8-ohms nominal. Coupled with higher power requirements at their load rating, the A1 is slightly underpowered for use with those loudspeakers. We recommend the Bose® 1600 or Bose 1800 amplifier together with the Panaray® controller to properly drive those loudspeakers.

For more information, please visit [http://www.pro.bose.com/ http://www.pro.Bose.com].

=== Can I use two B1 bass modules with the A1 amplifier without the power stand? ===

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==== B1 cable 5.5" (1.7m)====

Heavy-duty 4-pin cable connects B1 bass modules to L1™ Model II or II power stands. Longer B1 cables may be obtained from [~~file~~://~~C:\Documents_and_Settings\AP17102\Local_Settings\Application_Data\Microsoft\Word\~~www.audiopile.net www.audiopile.net].

Heavy-duty 4-pin cable connects B1 bass modules to L1™ Model II or II power stands. Longer B1 cables may be obtained from [http://www.audiopile.net www.audiopile.net].

==== Heavy-duty B1 gig bag====

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=== Can you use 2-wire Speakon® cables to connect the A1 amplifier to B1 bass modules? ===

Yes. Unlike the L1™ Power Stands (Classic, Model I, Model II) there is no sensing circuit that determines the number of B1s attached to a PackLite® so there is no specific need to use the 4-wire Speakon® cables instead of 2-wire Speakon® cables. Note however, that the B1s are supplied with the blue 4-wire cables and these work fine.

<!-- amendment per Bill-at-Bose PM 2007/11/23

No. Only 4-wire Speakon® cables are to be used with the A1 amplifier. The additional 2 wires (<nowiki>+</nowiki>2 and -2) in the connector are used for sensing purposes. Upon connection, the signal is automatically adjusted (EQ and level) for 0, 1 or 2 B1 bass modules.

-->

<!--

=== How can I tell if I<nowiki>’</nowiki>m using the correct Speakon® cable? ===

If you plug in a 4-wire Speakon® cable to the Bass Module Out connector with music playing through, you will clearly hear the L1™ Model II system mute for a moment. If you are using an incorrect cable, such as a 2-wire Speakon® cable, the momentary muting will not occur.

-->

=== Is there any pro audio gear that this is not compatible with? ===

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=== What if the A1 amplifier fails during a performance? ===

The A1 amplifier is built for road use and is tested under the most stringent conditions. To prevent damage, the amplifier is protected against overheating, short-circuits and over-current conditions. The power LED will turn red when there is a problem and will return to normal operating mode when ~~thefault~~ condition has been removed. If used with a power stand and two B1s, the bass level would drop 6dB upon shutdown.

The A1 amplifier is built for road use and is tested under the most stringent conditions. To prevent damage, the amplifier is protected against overheating, short-circuits and over-current conditions. The power LED will turn red when there is a problem and will return to normal operating mode when the fault condition has been removed. If used with a power stand and two B1s, the bass level would drop 6dB upon shutdown.

=== What is the warranty coverage on my A1? ===

The A1 comes with a one-year limited warranty in the U.S. and Canada. Outside the U.S. and Canada, check with your local Bose® representative.

The A1 comes with a [strike]one-year[/strike] two-year limited warranty in the U.S. and Canada. Outside the U.S. and Canada, check with your local Bose® representative. See [[Warranty_Information]] for current information.

=== Is there an available hard case for the A1 amplifier? ===

@@ Line 39: / Line 39: @@
 The A1 is designed for 4-ohm loudspeaker loads capable of 250W RMS. The MB4, MB24 and
-® are rated at an impedance of 8-ohms nominal. Coupled with higher power requirements at their load rating, the A1 is slightly underpowered for use with those loudspeakers. We recommend the Bose® 1600 or Bose 1800 amplifier together with the Panaray® controller to properly drive those loudspeakers. For more information, please visit [http://www.pro.bose.com/ <font color="#0000FF">=== www.pro.Bose.com] === </font>.
+® are rated at an impedance of 8-ohms nominal. Coupled with higher power requirements at their load rating, the A1 is slightly underpowered for use with those loudspeakers. We recommend the Bose® 1600 or Bose 1800 amplifier together with the Panaray® controller to properly drive those loudspeakers.
+For more information, please visit [http://www.pro.bose.com/ http://www.pro.Bose.com].
 === Can I use two B1 bass modules with the A1 amplifier without the power stand? ===
@@ Line 189: / Line 190: @@
 ==== B1 cable 5.5" (1.7m)====
-Heavy-duty 4-pin cable connects B1 bass modules to L1™ Model II or II power stands. Longer B1 cables may be obtained from [file://C:\Documents_and_Settings\AP17102\Local_Settings\Application_Data\Microsoft\Word\www.audiopile.net www.audiopile.net].
+Heavy-duty 4-pin cable connects B1 bass modules to L1™ Model II or II power stands. Longer B1 cables may be obtained from [http://www.audiopile.net www.audiopile.net].
 ==== Heavy-duty B1 gig bag====
@@ Line 258: / Line 259: @@
 === Can you use 2-wire Speakon® cables to connect the A1 amplifier to B1 bass modules? ===
+Yes. Unlike the L1&trade; Power Stands (Classic, Model I, Model II) there is no sensing circuit that determines the number of B1s attached to a PackLite&reg; so there is no specific need to use  the 4-wire Speakon&reg; cables instead of 2-wire Speakon&reg; cables. Note however, that the B1s are supplied with the blue 4-wire cables and these work fine.
+<!-- amendment per Bill-at-Bose PM 2007/11/23
 No.  Only 4-wire Speakon® cables are to be used with the A1 amplifier. The additional 2 wires (<nowiki>+</nowiki>2 and -2) in the connector are used for sensing purposes. Upon connection, the signal is automatically adjusted (EQ and level) for 0, 1 or 2 B1 bass modules.
+-->
+<!--
 === How can I tell if I<nowiki>’</nowiki>m using the correct Speakon® cable? ===
 If you plug in a 4-wire Speakon® cable to the Bass Module Out connector with music playing through, you will clearly hear the L1™ Model II system mute for a moment. If you are using an incorrect cable, such as a 2-wire Speakon® cable, the momentary muting will not occur.
+-->
 === Is there any pro audio gear that this is not compatible with? ===
@@ Line 290: / Line 296: @@
 === What if the A1 amplifier fails during a performance? ===
-The A1 amplifier is built for road use and is tested under the most stringent conditions. To prevent damage, the amplifier is protected against overheating, short-circuits and over-current conditions. The power LED will turn red when there is a problem and will return to normal operating mode when thefault condition has been removed. If used with a power stand and two B1s, the bass level would drop 6dB upon shutdown.
+The A1 amplifier is built for road use and is tested under the most stringent conditions. To prevent damage, the amplifier is protected against overheating, short-circuits and over-current conditions. The power LED will turn red when there is a problem and will return to normal operating mode when the fault condition has been removed. If used with a power stand and two B1s, the bass level would drop 6dB upon shutdown.
 === What is the warranty coverage on my A1? ===
-The A1 comes with a one-year limited warranty in the U.S. and Canada. Outside the U.S. and Canada, check with your local Bose® representative.
+The A1 comes with a [strike]one-year[/strike] two-year limited warranty in the U.S. and Canada. Outside the U.S. and Canada, check with your local Bose® representative. See [[Warranty_Information]] for current information.
 === Is there an available hard case for the A1 amplifier? ===