Mms to Mmd calculations - diyAudio
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Old 9th February 2009, 05:20 AM   #1
jaya000 is offline jaya000  India
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Join Date: Dec 2006
Default Mms to Mmd calculations

Mmd is required for hornresp.
Normally we get Mms specs.
How to get Mmd from Mms.

MOVING MASS, AIR LOAD: MMS (GRAMS) . . . . 166.71
MOVING MASS, DIAPHRAGM: MMD (GRAMS). . . . 163.01

DRIVER RADIATING AREA: SD (IN2) . . . . . . 53.40
SD (CM2). . . . . . . 346.00

Mmd
Diaphram mass, in grams
Mms
The driver's effective mechanical mass (including air load), in kg. "This parameter is the combination of the weight of the cone assembly plus the ‘driver radiation mass load’. The weight of the cone assembly is easy: it’s just the sum of the weight of the cone assembly components. The driver radiation mass load is the confusing part. In simple terminology, it is the weight of the air (the amount calculated in Vd) that the cone will have to push."
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Old 9th February 2009, 06:24 AM   #2
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Join Date: Jun 2007
Default Re: Mms to Mmd calculations

Quote:
Originally posted by jaya000
Mmd is required for hornresp. Normally we get Mms specs. How to get Mmd from Mms.
Hi jaya000,

Double-click on the Hornresp Mmd input box when in edit mode, and then simply follow the instructions :-).

Kind regards,

David
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www.hornresp.net
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Old 9th February 2009, 07:48 AM   #3
jaya000 is offline jaya000  India
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Join Date: Dec 2006
Thank u very much guru David!
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