L1® Model II - Revision history

ST at 05:37, 20 May 2021

2021-05-20T05:37:06Z

← Older revision		Revision as of 05:37, 20 May 2021
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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.

ST at 00:10, 1 October 2019

2019-10-01T00:10:30Z

← Older revision		Revision as of 00:10, 1 October 2019
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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 ===
	~~<section begin=AnalogInput />~~

	The Analog input is a ¼ inch balanced input jack. Do not connect a stereo source to this input.		The Analog input is a ¼ inch balanced input jack. Do not connect a stereo source to this input.

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	[[Image:Model II Analog Input Trim.png]]		[[Image:Model II Analog Input Trim.png]]

	~~;Setting the Trim Control~~		{{Analog Input Trim}}
	~~# Set the '''Trim''' control on the power stand to the 0 (zero) position.~~
	~~# Connect the audio source to the Analog Input~~
	~~# Adjust the volume of the~~ {{~~{Device\|source device}}} output to the reference or nominal output level.~~
	~~#* On analog consoles this may be marked as '''unity''' or '''0 dB'''.~~
	#* On digital consoles this may be marked as '''-18 dBFS<ref>[https://en.wikipedia.org/wiki/DBFS dBFS]</ref><ref>[http://avres.com/blog/dbu-vs-dbfs.html dBU vs dBFS]</ref>'''. The exact value (-18 dBFS to -20 dBFS) may vary depending your location<ref>[https://en.wikipedia.org/wiki/DBFS#Analog_levels dBFS Analog ~~Levels]</ref>.~~
	~~#* Refer to the manual for the {{{Device\|source device}~~}} ~~for details.~~
	~~#* If the {{{Device\|source device}}} does not have metering or indicators, set the output as high as you can without hearing distortion or seeing red indicator lights.~~
	~~# While playing/singing as loud as you will during your performance, increase the '''Trim''' level so that the '''Signal/Clip''' indicator glows green or yellow. Occasional flickers of red are okay.~~
	~~# If the '''Signal/Clip''' indicator glows solid red or you hear distortion, decrease the '''Trim''' level so that it glows only green or yellow.~~



	[[Image:Model II Analog Input Level Green.png\|Model 1S Analog Input]]		[[Image:Model II Analog Input Level Green.png\|Model 1S Analog Input]]

ST at 00:07, 1 October 2019

2019-10-01T00:07:20Z

← Older revision		Revision as of 00:07, 1 October 2019
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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]]
			=== Analog Input ===
			<section begin=AnalogInput />

	~~<section begin=AnalogInput />~~
	~~=== Analog Input ===~~
	The Analog input is a ¼ inch balanced input jack. Do not connect a stereo source to this input.		The Analog input is a ¼ inch balanced input jack. Do not connect a stereo source to this input.

ST at 23:25, 30 September 2019

2019-09-30T23:25:58Z

← Older revision		Revision as of 23:25, 30 September 2019
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	<section begin=AnalogInput />		<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]]		[[Image:Model II Analog Input Trim.png]]

			;Setting the Trim Control
	# Set the '''Trim''' control on the power stand to the 0 (zero) position.		# Set the '''Trim''' control on the power stand to the 0 (zero) position.
	# Connect the audio source to the Analog Input		# Connect the audio source to the Analog Input
	# Adjust the volume of the ~~audio~~ source to the ~~maximum~~ output without distortion.		# Adjust the volume of the {{{Device\|source device}}} output to the reference or nominal output level.
	# While playing ~~the source~~, increase the '''Trim''' level so that the '''Signal/Clip''' indicator glows green or yellow.		#* On analog consoles this may be marked as '''unity''' or '''0 dB'''.
	# If the '''Signal/Clip''' indicator glows red, decrease the '''Trim''' level so that it glows only green or yellow.		#* On digital consoles this may be marked as '''-18 dBFS<ref>[https://en.wikipedia.org/wiki/DBFS dBFS]</ref><ref>[http://avres.com/blog/dbu-vs-dbfs.html dBU vs dBFS]</ref>'''. The exact value (-18 dBFS to -20 dBFS) may vary depending your location<ref>[https://en.wikipedia.org/wiki/DBFS#Analog_levels dBFS Analog Levels]</ref>.
			#* Refer to the manual for the {{{Device\|source device}}} for details.
			#* If the {{{Device\|source device}}} does not have metering or indicators, set the output as high as you can without hearing distortion or seeing red indicator lights.
			# While playing/singing as loud as you will during your performance, increase the '''Trim''' level so that the '''Signal/Clip''' indicator glows green or yellow. Occasional flickers of red are okay.
			# If the '''Signal/Clip''' indicator glows solid red or you hear distortion, decrease the '''Trim''' level so that it glows only green or yellow.



	[[Image:Model II Analog Input Level Green.png\|Model 1S Analog Input]]		[[Image:Model II Analog Input Level Green.png\|Model 1S Analog Input]]

ST at 20:30, 30 January 2019

2019-01-30T20:30:33Z

← Older revision		Revision as of 20:30, 30 January 2019
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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 ~~quiter~~ during the power down sequence.		: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.

ST at 15:33, 14 July 2018

2018-07-14T15:33:18Z

← Older revision		Revision as of 15:33, 14 July 2018
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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.
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	[[Image:Model II Analog Input Level Green.png\|Model 1S Analog Input]]		[[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" />

ST: fan behaviour

2017-06-07T18:04:38Z

fan behaviour

← Older revision		Revision as of 18:04, 7 June 2017
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	=== Fan Noise ===		=== Fan Noise ===
	<section begin=heat/>		<section begin=heat/>
	~~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.		=== Fan runs constantly ===
			{{Template:L1 Model II Firmware 1.5 Fan Update}}

	~~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>~~		=== 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.

	~~There~~ is a ~~Firmware Update that addresses~~ the fan ~~behaviour~~. ~~See~~: ~~[[L1®~~ Model II ~~Power Stand Firmware Updates#Fan_Behavior]~~]		: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>

	~~=== Fan runs constantly ===~~		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]]
	~~Starting in units manufactured in late 2014 and later,~~ the fan ~~now runs quietly, constantly, while the~~ Power Stand ~~is powered on. This too is completely normal.~~

	~~{{Template:L1 Model II Firmware 1.5 Fan Update}}~~

	<section end=heat/>		<section end=heat/>

ST at 17:02, 7 June 2017

2017-06-07T17:02:51Z

← Older revision		Revision as of 17:02, 7 June 2017
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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 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 ==

ST at 16:52, 7 June 2017

2017-06-07T16:52:38Z

← Older revision		Revision as of 16:52, 7 June 2017
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	There is a Firmware Update that addresses the fan behaviour. See: [[L1® Model II Power Stand Firmware Updates#Fan_Behavior]]		There is a Firmware Update that addresses the fan behaviour. See: [[L1® Model II Power Stand Firmware Updates#Fan_Behavior]]

	Starting in units manufactured in ~~2015~~ and later, the fan now runs quietly, constantly, while the Power Stand is powered on. This too is completely normal.		=== Fan runs constantly ===
			Starting in units manufactured in late 2014 and later, the fan now runs quietly, constantly, while the Power Stand is powered on. This too is completely normal.

			{{Template:L1 Model II Firmware 1.5 Fan Update}}

	<section end=heat/>		<section end=heat/>

ST: ST moved page L1Â® Model II to L1® Model II

2017-03-26T07:20:41Z

ST moved page L1Â® Model II to L1® Model II

← Older revision	Revision as of 07:20, 26 March 2017
(No difference)