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Class D Switching Power Amplifiers and Power D/A conversion

I AM D v200, Fx Audio d802, optimisation and TPA3116
I AM D v200, Fx Audio d802, optimisation and TPA3116
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Old 26th September 2018, 10:09 AM   #481
Nanoloop is offline Nanoloop  Hong Kong
Account disabled at member's request
 
Join Date: Feb 2013
Location: Beyond Infinity
Quote:
Originally Posted by artatgray View Post
Don't assume that I'm not well aware that there may be issues...
well, you used the word upgrade :-) if you have Oreo? A bt5 compatible phone? Know how to disable absolute volume, set sample rate..? And a ******* huge antenna to compensate for radio parts that can't handle the higher data rate? Honestly, the 8675 is ****. There I said it. Wait for something better imo. Or buy an FX Audio D2160 and upgrade everything at once :-)

Last edited by Nanoloop; 26th September 2018 at 10:13 AM.
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Old 26th September 2018, 11:19 AM   #482
swank42 is offline swank42
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Join Date: Oct 2017
Has anyone done a comparison of the FXAudio d802 to the FXAudio 502SPro? I have two of 502SPro and think they sound terrific for the price. Has anyone heard both and can enlighten me to the sound differences? Thank you!
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Old 27th September 2018, 04:17 PM   #483
forestsgump is offline forestsgump
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Join Date: Dec 2017
Quote:
Originally Posted by jean-paul View Post
Ha ha how true. I don't use Bluetooth as it is again compression. Convenience is nice but quality is more important.
Haha... surely agree with you. The "highest truth" of all is known as advertisements

"CSR8675 is a premium tier single-chip solution delivering high quality wireless audio performance and supporting the development of highly differentiated premium wireless audio products. Integrated support for aptX, aptX HD, Active Noise Cancellation and TrueWireless stereo.

AptX™ HD audio ensures your Bluetooth® wireless enabled device can deliver High Definition (HD) audio. It preserves sound data through the audio transmission, resulting in a ‘better-than-CD’ listening experience.

With aptX HD, you can enjoy listening to your music at the highest audible quality when using a wireless device.

aptX HD is indistinguishable from high resolution audio
aptX HD enables 24-bit music quality over a Bluetooth® wireless connection"

Copyrighted -- by some company.

Last edited by forestsgump; 27th September 2018 at 04:20 PM.
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Old 27th September 2018, 04:30 PM   #484
forestsgump is offline forestsgump
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Join Date: Dec 2017
Quote:
Originally Posted by artatgray View Post
Mastering for vinyl also uses compression...
What Mastering ?

"Both DSD and PCM are “quantized,” meaning numeric values are set to approximate the analog signal. "

I rather have DSD - more honest in representing themselves.
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Old 10th October 2018, 04:46 PM   #485
Ddd_rus is offline Ddd_rus
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Join Date: Oct 2007
A friend of mine have bought d802c few days ago and he reported some kind of click or pop sound when the amp starts/stops playing. Check the post attachment for the sample.

The same effect I hear in this clip YouTube right at the first second
and maybe here YouTube
Attached Files
File Type: mp4 WhatsApp Audio 2018-10-10 at 11.22.38.mp4 (67.0 KB, 7 views)
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