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Class D Switching Power Amplifiers and Power D/A conversion

Class D Amp TDA8920BTH
Class D Amp TDA8920BTH
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Old 24th May 2010, 07:40 PM   #1
vumeter is offline vumeter
diyAudio Member
Join Date: May 2010
Default Class D Amp TDA8920BTH

I found an amplifier ClassD TDA8929BTH Chip, NXP Semiconductor ..
in www.classd.co.uk
anyone knows the technical specifications?
It is a good option to mount my amplifier 1 ClassD?
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Old 26th May 2010, 04:17 AM   #2
gooki is offline gooki  New Zealand
diyAudio Member
Join Date: Dec 2008
More detailed information here:
CLASS D AMPLIFIER PHILIPS TDA 8920 BTH (Classd.co.uk) | Class D Amplifiers Shop OEM Products DIY Audio

And here:

Don't forget to add cost of transformer.

Similar product with built in SMPS can be found here:

Last edited by gooki; 26th May 2010 at 04:22 AM.
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Old 27th June 2010, 09:19 PM   #3
becki200 is offline becki200  Germany
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Join Date: Dec 2008
Hi this is very expensive. Bought nearly the same amp on ebay for 30$ including shipment.
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Old 13th September 2010, 10:19 AM   #4
Qpoint is offline Qpoint
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Join Date: Sep 2010
Default TDA8920BTH Based Amplifier

Hello All!!

Here are some of the pictures of my TDA8920BTH based Class-D Amplifier!! This consists of two boards 1.) Power amplifier and 2.) Power Supply!!

More images in my next post!!

Thanks and Regards,
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Old 24th September 2010, 01:41 PM   #5
leau2001 is offline leau2001
diyAudio Member
Join Date: Sep 2010
HI ,

I see this Class D amplifier to, and i ask for switch to an 200w mono, using btl... here the answer :is anyone test this ? i don't want to break my amp, even is cheaper.. thx
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