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Old 15th April 2008, 05:04 PM   #1
morfius is offline morfius  United Kingdom
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Default Xmax Question

When speakers list there xmax as say for example 6mm, does this mean its excursion is 6mm either way from center.

i.e. its excursion is 12mm from both extremes.
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Old 15th April 2008, 05:38 PM   #2
sreten is offline sreten  United Kingdom
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Hi,

It depends whether they are lying or not, should be one way, often bothway.

/sreten.
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Old 15th April 2008, 05:45 PM   #3
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Yes - I don't think manufacturers are consistent about this - you should try to contact the manufacturer to specify halfway from center or total cone travel - hopefully they will tell you.
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Old 15th April 2008, 08:18 PM   #4
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Excursion Xmax is defined one way.
But i agree you can't rely on how
manufacturers see this ...
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Old 15th April 2008, 09:22 PM   #5
tinitus is offline tinitus  Europe
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If its peak to peak you often see the addition (p-p), and even (+/-) if its one way...but not always I think like linearray that Xmax without further specs is one way, or should be
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Old 15th April 2008, 09:26 PM   #6
ente is online now ente  Germany
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Default ARTA 1.4

... if you are eager to learn something about linear excursion contact W. Klippels homepage. There is a lot of stuff about it

http://www.klippel.de/pubs/papers.asp

After reading you can decide if manufacturers are lying or not

Regards
Heinrich

PS: Next version of STEPS from ARTA-family will content a Klippel module for measuring Xlin. Have a look on the ARTA Homepage at the end of the week:

http://www.fesb.hr/~mateljan/arta/index.htm
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