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Multi-Way Conventional loudspeakers with crossovers

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Old 23rd August 2007, 07:58 PM   #11
Bob0513 is offline Bob0513  United States
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heres the input drawing
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File Type: jpg input.jpg (6.2 KB, 406 views)
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Old 23rd August 2007, 08:26 PM   #12
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Bob,

This is great- thanks so much for helping me with this. I will start working on it tonight!
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Old 5th March 2008, 02:32 AM   #13
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Hope its not wrong to reopen this older thread but I have several of the same chips available from old Winnov cards to play with for a first chip amp project. The board also had Sprague 220uf 16V caps on it that I also salvaged.

Can any one tell me which caps are the external reference for the low frequency roll off? Is it the 220uf or the 1000uf? What would I want to use for a 25hz roll off?

I see most of what is available at Ratshack are 35V while the board had 16V caps on it. Will this cause any trouble?

Thanks in advance for any help.
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Old 7th March 2008, 09:33 PM   #14
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I never did get it to work (user error most likely on my part- that or the chip was bad) but my two cents in this is that you may want to get the components elsewhere- I remember gasping at what I paid after the fact in relation to what I am used to paying at digikey.

Plus I don't know where you are in SC, but the Rat Shack near me (Rock Hill) didn't have half the components- it's a pitty they've scaled back.
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Old 8th March 2008, 01:27 AM   #15
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I'm in Columbia. The local shack had everything but binding posts for the output. I agree the shack is not the best but I wanted to get what I needed to fool with it this weekend with my kids ($21 total spent). Any idea about the external roll off question? I'm totally new to trying to do something without it being a kit with lots of instructions. If I understand the spec sheet it looks like it can run on either AC or DC is this correct? I plan to use a 12VDC 1000mA wall wart to power it. Will this be ok? Thanks for any feedback.

Moderators I did not realise this was in the loudspeaker forum when I reopened the thread. Should this be moved to chip amps?
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Old 8th March 2008, 01:34 AM   #16
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Join Date: Mar 2006
Location: Columbia, South Carolina
I'm in Columbia. The local shack had everything but binding posts for the output. I agree the shack is not the best but I wanted to get what I needed to fool with it this weekend with my kids ($21 total spent). Any idea about the external roll off question? I'm totally new to trying to do something without it being a kit with lots of instructions. If I understand the spec sheet it looks like it can run on either AC or DC is this correct? I plan to use a 12VDC 1000mA wall wart to power it. Will this be ok? Thanks for any feedback.

Moderators I did not realise this was in the loudspeaker forum when I reopened the thread. Should this be moved to chip amps?
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