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Old 20th February 2011, 05:22 PM   #1681
OMaudio is offline OMaudio  Germany
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Hello,

the chassis you can get by elcal.

www.elcal.de


The knobs are "guitar knobs" , the are chrom, buyed on ebay.


Regards Olaf
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Old 20th February 2011, 05:47 PM   #1682
OMaudio is offline OMaudio  Germany
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Hello,

i have a question how to use a CL60 thermistor.

Where must i put in the CL60, can someone help?

Regards Olaf
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Old 20th February 2011, 07:46 PM   #1683
bbm3 is offline bbm3  United States
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Quote:
Originally Posted by udailey View Post
Be careful with those sinks. I dont know if you isolated them from the amp chip. With LM3886 I know that the metal tab of the amp chip is good to keep isolated. The reason why is that if you somehow touch the chassis or sink with ground you will zap that chip. I dont think the chassis is isolated from the sinks. Definitely keep sinks away from ground.
Good point.
In my build the tabs of the TDA2050's are insulated from the heatsinks.

Cheers,
BB
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Old 21st February 2011, 08:17 AM   #1684
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This is my tda2050 stereo amp

I like the sound and it has been working so fine since 3 months ago.
Attached Images
File Type: jpg tda2050_l_907x768.jpg (84.7 KB, 1835 views)
File Type: jpg DSC01578_1024x692.jpg (73.8 KB, 1791 views)
File Type: jpg tda2050_r_989x768.jpg (85.2 KB, 1764 views)
File Type: jpg tda2050_up_1024x549.jpg (94.2 KB, 1742 views)
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Old 21st February 2011, 03:05 PM   #1685
OMaudio is offline OMaudio  Germany
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Nice and small!

Where do you get the TDA2050 Kit?


Olaf
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Old 21st February 2011, 06:09 PM   #1686
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Quote:
Originally Posted by OMaudio View Post
Nice and small!

Where do you get the TDA2050 Kit?


Olaf
Ty Olaf ,

It is not a kit , i have built 10 of them.I have got 5 remaining
Dimension: 25mmX60mm
Later IŽll upload more photos with the other components of my micro system .

regards!
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Old 21st February 2011, 06:41 PM   #1687
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Quote:
Originally Posted by OMaudio View Post
Where must i put in the CL60, can someone help?
Depends on what you want the thermistor to do. If you want to use is as inrush current limiter, it goes in series with the transformer primary.
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If you've always done it like that, then it's probably wrong. (Henry Ford)
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Old 28th February 2011, 06:42 PM   #1688
nthere is offline nthere  Turkey
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Hi;

This is my dual mono LM3875 chipamp.

Thanks.
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File Type: jpg ampli 1.JPG (145.3 KB, 1527 views)
File Type: jpg ampli 2.JPG (179.0 KB, 637 views)
File Type: jpg kulaklık kullanın.JPG (167.0 KB, 519 views)
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Old 1st March 2011, 06:56 AM   #1689
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Cool My chipamp in trial mode

this is my first chipamp(in serious mode) made with LM4766T, +- 25V DC, 3 Amp power supply. Please dont mind on the look. I am working to make it ugly to descent.
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File Type: jpg IMG_4077xxxx.jpg (143.7 KB, 604 views)
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Old 2nd March 2011, 11:46 PM   #1690
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Default TPA6120

Just finished my headamp based on Texas Instruments TPA 6120. I'm quite happy with the design, the only thing I would suggest to the designer is to use 10M tantals in stabilizers ground path for better noise rejection and reverse diodes to protect the stabilizers. Since I didn't do any measuring, it is just my suggestion I don't know how much better the S/N would be. The sound is really nice, pure and clear.
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