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Class D Switching Power Amplifiers and Power D/A conversion

Connecting B & O Icepower 1000ASP with two 500A MKII
Connecting B & O Icepower 1000ASP with two 500A MKII
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Old 5th July 2011, 11:11 AM   #1
dalmatina is offline dalmatina  Austria
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Default Connecting B & O Icepower 1000ASP with two 500A MKII

Hi People!

Can someone write me how to connect the 500A modules with 1000ASP?

I know how to connect the Input Signal, Speakers, but I am not sure for the Power ( between ASP & A Modules ).

Do I need fuses between the modules?

Want to use this modules for a 3-way Speaker (with xilica XM-2040)

thanks & regards
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Old 5th July 2011, 11:59 AM   #2
john65b is offline john65b  United States
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If you look at the 1000ASP pinout you will see two voltage pins. One is for a 1000A and one is for the 500A. Use the voltage pin for your module. The 500A is the lower voltage pin (80VDC?) and 1000A is higher voltage pin (120VDC?) . The 1000ASP designer manual details the connection. Google 1000ASP design manual.

You should not need a fuse on the power connection from 1000ASP to 500A, but it won't hurt.
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Old 5th July 2011, 12:14 PM   #3
StigErik is offline StigErik  Norway
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You must also connect +/- 12V output on the 1000ASP to the +/- 12V input on the 500A.
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File Type: png 1000ASP-500A.png (28.6 KB, 251 views)
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Old 5th July 2011, 12:22 PM   #4
dalmatina is offline dalmatina  Austria
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Hi!

Thanks for your fast answer.

But, what's with the Vcc and Vss pins (+12.8V/-12.8V) ???
Do I have to connect this two pins also? (like on the page 44 of 46 from ICEpowerASP-Series_DesignersManual_1-4.pdf manual?

thanks
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Old 5th July 2011, 12:57 PM   #5
john65b is offline john65b  United States
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Quote:
You must also connect +/- 12V output on the 1000ASP to the +/- 12V input on the 500A.
Yes, correct...forgot that part...

Yes, you have to connect these +/-12VDC connections.

I have read that it is best to have a single Diode in series with both +/-12VDC connections to 500A modules too to prevent destroying the 500A module....don't remember exactly why...
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Last edited by john65b; 5th July 2011 at 12:59 PM.
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Old 7th July 2011, 06:12 AM   #6
dalmatina is offline dalmatina  Austria
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"I have read that it is best to have a single Diode in series with both +/-12VDC connections to 500A modules too to prevent destroying the 500A module....don't remember exactly why..."

Hmmm, I thought I need fuses between the +/-12V . . .

Can you say wherre have you read about it?

regards
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