Why are there only disastrous PCB Versions for TDA7293/TDA7294/LM3886 etc. available? - Page 5 - diyAudio
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Old 27th April 2013, 08:27 PM   #41
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Quote:
Originally Posted by thejohn View Post
If boards or Gerbers were available I'd definitely be interested.
There are 4 boards left, price is 25euro each including VAT ex shipping, leave me a PM if you are interested. An initial english version of the manual is expected coming week. This is the board's schematic :

Click the image to open in full size.
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where solid state amplification is like photography, tubes are for painting. sometimes the best solution is to paint over a photograph.
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Old 29th April 2013, 11:15 AM   #42
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Default Non Disaster Shipment

Folks, the shipping fees for 1 to 25 pcb's with our national PostNL are eu: 18 euro and worldwide: 24 euro. These shipments are insured for a max of 500 euro.
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where solid state amplification is like photography, tubes are for painting. sometimes the best solution is to paint over a photograph.
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Old 21st May 2013, 09:33 AM   #43
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Originally Posted by nigelwright7557 View Post
I don't join them !

It is wrong to just join them and that is lazy and cheap design.

Its the same with random earthing of a layout and then wondering why you get hum.

PCB designs is a bit of a black art and get it wrong and your audio sounds like !"!"$
In this case post #473 about
Optimizing TDA7294 Output
provides also a good description.
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Old 17th January 2015, 10:52 AM   #44
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Quote:
Originally Posted by tiefbassuebertr View Post
Maybe the avoidance of PCBs is the best solution - go to
Point 2 Point (no PCB) for TDA7293, TDA7294, TDA7295, TDA7296.
Looks very good - at least at first glance.
Are there commercial amps in this kind on the marked ?
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