Newbie on Class D, TDA7492, Help!

[nastorrent]

Hi,
Thanks for all answers on the post.

I've ordered one of these!
https://www.yuan-jing.com/ClassD-T/t...=ASC&limit=100
Hope it works good! I'll post results when arrived and tested.

What about the Bluetooth board with Apt-X from Sure? Does it sound good or should I keep looking for other one?

Best Regards

 

[nastorrent]

Hi again,
Waiting for the amplifier...
nobody tested the sure bluetooth audio board (Sure Electronics' webstore Bluetooth V4.0 Audio Receiver Board w APT-X - BRB3) ?

Any advice? What bluetooth adapters are you using then?

Thanks

 

[nastorrent]

I see this solution from doctormord (this time I wrote it correctly 🙂) on a similar board (TDA7492P).

Seems like they're aware of this, so they changed the 33k to 100k already.

Its the resistor marked in the green box.

Do you think it's worth to try it on my board?

Thanks

 

[Yatsushiro]

I've used both of these, to good effect (although the first is my preference)

Bluetooth 4.0 Audio Receiver Board Wireless Stereo Sound Module for Car Phone PC | eBay

12V/24V Car Bluetooth 4.0 Audio Receiver Board Wireless Stereo Sound Module UK | eBay

 

[nastorrent]

Thanks Yatsushiro

I think they doesn't support Apt-X, but maybe they're worth a try if I can't find one tested with success and Apt-X support. At least these ones have one positive review 😉

I think I have to look CSR8645 or CSR64215 chip on it, don't know if others too.

The reason I request for Apt-X is to have the cleaner signal possible and this technology allows FLAC up to 24bit. This way I'll have a Lossless signal with up to 120dB of Dynamic Range (if well implemented by our chinese friends!) vs under 98dB D.R. at best of traditional Bluetooth.

 

[nastorrent]

Hi,
I've ordered one of these CSR64215 based (probably I will strip the case)
https://es.aliexpress.com/item/HIFI...32761893894.html?spm=2114.13010608.0.0.J95OXb
and one of these CSR8645 based
Sure Electronics' webstore Bluetooth V4.0 Audio Receiver Board w APT-X - BRB3

I hope at least one works good! I will post results.

I've got a good bargain with a pair of Mission 73-LF58W woofers. I think they were used on some good Mission speakers as 734i, 732, 735... as well as some subwoofer; maybe they can be a good choice for a second slightly bigger vented box (like suggested by doctormord).
Anyone has the Thiele Small parameters of these drivers lying around? I can't find them on the net and I'm waiting for a good offer on DATSv2, so I can't measure them now.

Thanks