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gen0me View Drop Down
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    Posted: 03 September 2017 at 9:17pm
http://www.precision-devices.com/Product-Details/PD1851-2
What is R2 in ts parameters?
What is L2 in ts parameters?
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Crashpc View Drop Down
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I'd guess it's large signal -additional losses in real world usage. But take that guess with grain of salt...
Nikon and Canon people should not be married to each other. Why did you let this happen?
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Elliot Thompson View Drop Down
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It is based on a Series configuration. 


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Elliot Thompson
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gen0me View Drop Down
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What do you mean?
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Elliot Thompson View Drop Down
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Points: 5175 		Post Options Post Options   Thanks (1) Thanks(1)   Quote Elliot Thompson Quote  Post ReplyReply Direct Link To This Post Posted: 06 September 2017 at 12:17pm

When you wire two speakers into series, the Le and Re will change. The Le 2 and Re 2 listing is the end result of such a configuration. 


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Elliot Thompson
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gen0me View Drop Down
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How can Re drop lower?
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Elliot Thompson View Drop Down
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That is something you need to ask Precision Devices. 

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Elliot Thompson
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Points: 465 		Post Options Post Options   Thanks (1) Thanks(1)   Quote Crashpc Quote  Post ReplyReply Direct Link To This Post Posted: 06 September 2017 at 1:00pm
Look at klippel description of "equivalent electrical circuit"...
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gen0me View Drop Down
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I guess with 2 parallel speakers Rms symbolizing suspension loses must be bigger wich affects the electrical Re.
As part of a suspension is air that is common for both drivers.

Edited by gen0me - 06 September 2017 at 2:17pm
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odc04r View Drop Down
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L2 is an additional inductance most likely in parallel with R2 that better models the impedance behaviour of the driver at higher frequencies.
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gen0me View Drop Down
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What is the circuit than?
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Crashpc View Drop Down
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Here is some more:



https://www.klippel.de/fileadmin/klippel/Bilder/Our_Products/R-D_System/PDF/S2_LPM.pdf

Obviously, it´s equivalent electronic scheme for the speaker.
I guess we all had small part of the fact to add to the complete picture.
Nikon and Canon people should not be married to each other. Why did you let this happen?
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