Yet another silly question!

stewartwen · 12th April 2006, 11:07 PM

Hello fellow do it yourselfers!
Here is my question. I downloaded an excell spreadsheet for calculating pick up arm mass. Unfortunately the cartridge compliance notation is measured in a strange way! In the UK we use cu as the notation and on the spreadsheet the compliance is measured in um/mN. Has any one got the corelation between these two types of notation. I have tried to get the conversion from quite a few cartridge manufacturers and only one has heard of this notation and he couldnt remember what the conversion factor was. Can any one help me.
Stewart

maxro · 13th April 2006, 05:22 AM

Sorry, can't help. But, could you post a link to the spreadsheet?

Max

edit: forget it, I found the link.

sreten · 13th April 2006, 03:16 PM

Hi,

in the UK we use cu which stands for compliance units.

Basically because people don't inderstand um/mN.

They are the same thing.

/sreten.

stewartwen · 13th April 2006, 11:39 PM

Thanks Sreten I am appalled at the lack of technical knowledge in our industry.
Once again thank you.
Stewart

sreten · 17th April 2006, 02:19 PM

Hi,

for what its worth um/mN also = cm/dyne = cu.

In the old days cm/dyne was much more common than um/mN.

/sreten.

12th April 2006, 11:07 PM	#1
stewartwen diyAudio Member Join Date: Jul 2004 Location: FYLDE	Yet another silly question! Hello fellow do it yourselfers! Here is my question. I downloaded an excell spreadsheet for calculating pick up arm mass. Unfortunately the cartridge compliance notation is measured in a strange way! In the UK we use cu as the notation and on the spreadsheet the compliance is measured in um/mN. Has any one got the corelation between these two types of notation. I have tried to get the conversion from quite a few cartridge manufacturers and only one has heard of this notation and he couldnt remember what the conversion factor was. Can any one help me. Stewart

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13th April 2006, 05:22 AM	#2
maxro diyAudio Member Join Date: Dec 2004 Location: Survey says: Least happiest city in Canada	Sorry, can't help. But, could you post a link to the spreadsheet? Max edit: forget it, I found the link.

13th April 2006, 03:16 PM	#3
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	Hi, in the UK we use cu which stands for compliance units. Basically because people don't inderstand um/mN. They are the same thing. /sreten.

13th April 2006, 11:39 PM	#4
stewartwen diyAudio Member Join Date: Jul 2004 Location: FYLDE	Thanks Sreten I am appalled at the lack of technical knowledge in our industry. Once again thank you. Stewart

17th April 2006, 02:19 PM	#5
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	Hi, for what its worth um/mN also = cm/dyne = cu. In the old days cm/dyne was much more common than um/mN. /sreten.