L1® Model II: Difference between revisions
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{{L1® Model II}} | {{L1® Model II}} | ||
Introduced March 29, 2007 | Introduced March 29, 2007 | ||
Discontinued: Jan 2021 | |||
The {{Model II}} is [[RoHS]] compliant for release in Europe. | The {{Model II}} is [[RoHS]] compliant for release in Europe. | ||
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* [[Model II / Versions from Serial Number]] | * [[Model II / Versions from Serial Number]] | ||
* [[Model II / Versions from T1®]] | * [[Model II / Versions from T1®]] | ||
If you need it - see [[L1®_Model_II_Power_Stand_Firmware_Updates|Model II Power Stand Firmware Updates]] | |||
== Different Models == | == Different Models == | ||
{{Different Models}} | {{Different Models}} | ||
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{{Model II Input Output Panel}} | {{Model II Input Output Panel}} | ||
=== ToneMatch® Port === | === ToneMatch® Port === | ||
For connecting the {{T1}} to the {{Model II}}. | For connecting the {{T1}} to the {{Model II}}. | ||
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For details about the cable see: [[T1_ToneMatch%C2%AE Audio Engine#Cables|T1® Cables]] | For details about the cable see: [[T1_ToneMatch%C2%AE Audio Engine#Cables|T1® Cables]] | ||
<section begin=AnalogInput /> | |||
=== Analog Input === | === Analog Input === | ||
The Analog input is a ¼ inch balanced input jack. | The Analog input is a ¼ inch balanced input jack. Do not connect a stereo source to this input. | ||
[[Image:Model 1S Analog Input Detail.png]] | [[Image:Model 1S Analog Input Detail.png]] | ||
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==== Analog input trim (volume, or gain) control ==== | ==== Analog input trim (volume, or gain) control ==== | ||
There is a trim control for the analog input. | There is a trim control for the analog input. Turn this off (fully counter-clockwise) unless you have something connected to the Analog Input. | ||
[[Image:Model II Analog Input Trim.png]] | |||
{{Analog Input Trim}} | |||
[[Image:Model II Analog Input Level Green.png|Model 1S Analog Input]] | |||
<section end=AnalogInput /> | |||
==== Can a stereo signal be used with the analog input? ==== | ==== Can a stereo signal be used with the analog input? ==== | ||
<section begin="Stereo Source to Power Stand Analog Input" /> | <section begin="Stereo Source to Power Stand Analog Input" /> | ||
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=== Fan Noise === | === Fan Noise === | ||
<section begin=heat/> | <section begin=heat/> | ||
=== Fan runs constantly === | |||
{{Template:L1 Model II Firmware 1.5 Fan Update}} | |||
=== Fan prior to October 2014 === | |||
Q: The fan in the Power Stand comes on when I strike a chord on my Guitar. Is this normal? A: Your unit is functioning properly - no problem. | Q: The fan in the Power Stand comes on when I strike a chord on my Guitar. Is this normal? A: Your unit is functioning properly - no problem. | ||
The fan in the Model II Power Stand comes on when the input signal level goes over a certain limit, regardless of what the internal temperature of the unit is. That way, the unit never gets too hot to where a fan needs to be on constantly. | :The fan in the Model II Power Stand comes on when the input signal level goes over a certain limit, regardless of what the internal temperature of the unit is. That way, the unit never gets too hot to where a fan needs to be on constantly. Whatever you do, please don't cover up the fan port.<ref>MikeZ-at-Bose [http://bose.infopop.cc/eve/forums?a=tpc&f=7521050644&m=8071027174&r=7091047174#7091047174 Model II Fan Noise]</ref> | ||
There is a Firmware Update that addresses the fan behaviour. See: [[L1® Model II Power Stand Firmware Updates#Fan_Behavior|Model II Power Stand Firmware Updates - Fan behaviour]] | |||
<section end=heat/> | <section end=heat/> | ||
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A: | A: | ||
:Over a year ago we implemented an improvement which allowed the system to better withstand extreme low voltage conditions caused by brown outs etc. Units produced prior to this change were | :Over a year ago we implemented an improvement which allowed the system to better withstand extreme low voltage conditions caused by brown outs etc. Units produced prior to this change were quieter during the power down sequence. | ||
:Note: This noise is only present when the system is being turned off following use. For instances where this subtle noise is objectionable you may remove the Cylindrical Radiator loudspeaker and disconnect the Speakon cable of the B1 before powering down the system. | :Note: This noise is only present when the system is being turned off following use. For instances where this subtle noise is objectionable you may remove the Cylindrical Radiator loudspeaker and disconnect the Speakon cable of the B1 before powering down the system. | ||
:For anyone that is experiencing noise during power down we want to assure you that your system is working properly. Also, there is no reason for customers with older power stands to be concerned with upgrading as any potential issues would have surfaced by now. <ref>Neil-at-Bose [http://bose.infopop.cc/eve/forums/a/tpc/f/76010377/m/948107242?r=207101852#207101852 Modell II Shutdown Noises August 3, 2009]</ref> | :For anyone that is experiencing noise during power down we want to assure you that your system is working properly. Also, there is no reason for customers with older power stands to be concerned with upgrading as any potential issues would have surfaced by now. <ref>Neil-at-Bose [http://bose.infopop.cc/eve/forums/a/tpc/f/76010377/m/948107242?r=207101852#207101852 Modell II Shutdown Noises August 3, 2009]</ref> | ||
== B2 support == | |||
{{L1 Model II Firmware 1.4 B2 Support}} | |||
== Height == | == Height == | ||
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*Light weight (23.7 lbs (10.7 kg) | *Light weight (23.7 lbs (10.7 kg) | ||
== Rubber Feet == | |||
If you need to replace the rubber feet. | |||
{{:Rubber Feet for L1®}} | |||
==Acoustical Output== | ==Acoustical Output== | ||