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Old 25th November 2012, 09:52 AM   #41
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Well... It's a nice little project, so why not?
Choosing the components is an other thing.
For example: Some has built this one with LM1875 and Toshibas 2SC5200/2SA1943.
Interesting...

Make that stereo and you would need 4 pairs of those...
What else could you make with 4 pairs of those Toshibas???
LME49810 + Toshibas??? Absolutely!!!

Only you can decide if you want to make this one - or something else.

I'm quite happy with mine though - and would certainly make an other one if i needed...
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Old 26th November 2012, 09:00 AM   #42
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thank you ....
but distance between you and me .... certain not possible
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Old 26th November 2012, 09:33 AM   #43
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You can build the design for fun but if you need to spend much money on the parts or they are difficult to buy, there are better designs to spend that money on.

Just consider the linear qualities of the components like TIP35/36. They are not suited to audio. Yes, they work and the amplifier will work , but a cheap class D or chip amplifier will also sound much better IMO.

The design is 20 years out of date. It is cheap because the parts and design are (were) meant to be cheap. The audio is limited by the cost, so better parts will give better sound but then a whole new design is necessary. If you want to do all that, fine. It is your decision.

Frankly, a pair of bridged chip-amps would be easier, cheaper and much better. Since this is really a Chip amplifier application, why not read the Chip amplifier forum here for ideas?
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Last edited by Ian Finch; 26th November 2012 at 09:35 AM.
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Old 4th December 2012, 07:54 PM   #44
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please see attached PCB for help me (Correcttion)
Attached Files
File Type: zip TDA2030A STREEO - MONO( 144W OR 75 75W).zip (16.5 KB, 46 views)
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Old 5th December 2012, 09:55 AM   #45
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Default PDF FILE of MY PCB TDA2030A Bridge

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Old 5th December 2012, 07:46 PM   #46
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say again :
PCB of TDA2030A BTL streeo(I Designing by ARES professional Labcenter Electronics Software) is complete.
my PCB IS GOOD for build my Amplifier... OR NOT GOOD Design .... Please See Attached files
(some Copper track in Pcb is not thin ??? )
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Old 7th December 2012, 09:22 PM   #47
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Cool SEE MY PCB

NEED any correction ?
Attached Images
File Type: png schema.PNG (21.1 KB, 72 views)
File Type: gif podlaczenie.gif (9.4 KB, 74 views)
Attached Files
File Type: pdf ARES Professional - C__Documents and Settings_NPSoft_My Documents_TDA2030A STREEO - MONO( 144W O.pdf (83.5 KB, 14 views)
File Type: pdf Proteus 7 Professional AMPLES TDA2030A 200W.DSN.pdf (66.6 KB, 27 views)
File Type: txt Materiales.txt (377 Bytes, 6 views)
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Old 7th December 2012, 09:34 PM   #48
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Default Second one is more interesting

Elektronik devreler projeler

This chip is nice...not awesome but very nice.

Be happy

Carlos
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Old 11th December 2012, 03:55 PM   #49
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helloe ....orginal ( polish web site) schematic is not working and very THD and my 50w transformer is quickly hot !!
i only cut pairs transistors and circit is now good worked.
but after removeing two 2R2 resistors between base of transistors and IC and removeing 220nF Cap between pin 3 and 5 IC my tda2030a is hot quickly but sound quality is good so.
Attached Files
File Type: zip final circit is hot.zip (71.3 KB, 27 views)
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Old 13th December 2012, 09:15 AM   #50
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Red face final

Split supply Tda2030a worked well for me after removing pairs PNP NPN TRANSISTORS.
Attached Files
File Type: zip Final circuit is orking well.zip (507.2 KB, 36 views)
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