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east electronics 1st September 2009 01:04 PM

ka3700 kenwood trio schematic
wanted please

thank you

destroyer X 1st September 2009 01:23 PM

I am already uploading it to your E mail Sakis
enjoy and be happy.

regards to you, Maria and the little Sakis


destroyer X 1st September 2009 01:29 PM

Nice schematic.... will sound very good..for sure it will
1 Attachment(s)
If you find some time.... some spare time....hold the good camera you have and produce pictures from it.... internal pics.



destroyer X 1st September 2009 05:22 PM

I have made a zip package to post here
1 Attachment(s)
Maybe other forum friends will appreciate to see the schematic.

The original came from Croatia and was not very good in focus... despite pdf, the master image transformed into pdf was not very good.... bad master results bad copy. is barely readable.



east electronics 1st September 2009 06:52 PM

Thank you uncle charly
thanks to uncle charly we also have a schematic from the amplifier

i noticed that the tone control circuit has some kind of feedback from the output of the amp ....i am not familiar with this topology .... seen it also in yamaha amplifier and i dont know much about it

can anybody explain a few things about it ????

destroyer X 2nd September 2009 10:11 AM

Was abandoned, this style of NFB to tone control
1 Attachment(s)
It is not used anymore.

I was observing schematic....too much optimistic this value.... it may work if the supply is electronically regulated (stabilized)..this way when voltage drops will modulate the entire amplifier.

Better would be higher value...but cannot be too much increased as it is powering also the VAS.

It seems was not a very good idea.



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