question about quad405.

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1,quad 405

Can anybody give me a exactly particular explanation about this curcuit? those unregular R,C,Tr. I really want some comments to prove my comprehension.
Is there any address? or any document can be Emailed to me?


2,quad 405-2

It's schematic, all I can find are blurred picture, I really wanted to have a clear adequate one.
Is there any address? or any document can be Emailed to me?

Thanks
 
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