Tempotec V3 DAP - small, powerful, functional with Hiby OS
Jan 18, 2024 at 5:42 PM Post #362 of 653
V3 with case, pretty good and snug.

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Jan 19, 2024 at 8:21 AM Post #365 of 653
If anyone knows the proper format for the SD Card could you please post it?

I have only been able to transfer successfully single files using the Wifi Transfer that is built in. This is not a deal breaker for me but it would be nice to have for when wifi is an issue for streaming.

Also if there is a proper folder structure to observe that would be helpful as well.

Cheers!!
 
iFi audio Stay updated on iFi audio at their sponsor profile on Head-Fi.
 
https://www.facebook.com/people/IFi-audio/61558986775162/ https://twitter.com/ifiaudio https://www.instagram.com/ifiaudio/ https://ifi-audio.com/ https://www.youtube.com/@iFiaudiochannel comms@ifi-audio.com
Jan 19, 2024 at 8:35 AM Post #367 of 653
If anyone knows the proper format for the SD Card could you please post it?

I have only been able to transfer successfully single files using the Wifi Transfer that is built in. This is not a deal breaker for me but it would be nice to have for when wifi is an issue for streaming.

Also if there is a proper folder structure to observe that would be helpful as well.

Cheers!!
I just use a good quality (Samsung Evo/SansDisk...) card in FAT32 (I think exFAT ok too). My folders are listed A-Z by Artist or other (eg 'Classics', 'Favourites' folders).
All works seamlessly - scans quickly, very good performance and power.
 
Jan 19, 2024 at 8:37 AM Post #368 of 653
That's what I would have thought, but no luck for me just transferred my normal drive with a folder labeled "Music" and Then Artists and albums nested inside.

Think I will just go get a fresh card today, that has solved these issues so many times for me, lol

Thank You!

Cheers!!
 
iFi audio Stay updated on iFi audio at their sponsor profile on Head-Fi.
 
https://www.facebook.com/people/IFi-audio/61558986775162/ https://twitter.com/ifiaudio https://www.instagram.com/ifiaudio/ https://ifi-audio.com/ https://www.youtube.com/@iFiaudiochannel comms@ifi-audio.com
Jan 19, 2024 at 12:47 PM Post #372 of 653
Folders in SD card won't be displayed/scanned properly until Tempotec release a new firmware update. And I have a feeling that this won't happen... 🫤
Just moved all my folders to the root directory of my card and all files are now displayed so this Hiby OS version shows all tracks via folder browsing on first level only, anything deeper will have to be unlocked fully by FW update which according to Tempotec is "in the pipeline".
 
Jan 21, 2024 at 12:11 AM Post #373 of 653
Apparently someone measured it (see below; from 4PDA thread) and I assume the current and power figures are for a single channel. Not sure if peak or RMS though. If those are peak figures, the 3.5mm output would be around 70mW(RMS), which is quite a bit lower than spec'd. But it does seem more powerful than my Hiby R2 which is spec'd at 70mW/ch, so I don't think that's the case.

Screenshot_2024-01-15-19-57-34-250_org.telegram.messenger.beta.jpg
 
Jan 21, 2024 at 6:59 AM Post #374 of 653
Apparently someone measured it (see below; from 4PDA thread) and I assume the current and power figures are for a single channel. Not sure if peak or RMS though. If those are peak figures, the 3.5mm output would be around 70mW(RMS), which is quite a bit lower than spec'd. But it does seem more powerful than my Hiby R2 which is spec'd at 70mW/ch, so I don't think that's the case.

Screenshot_2024-01-15-19-57-34-250_org.telegram.messenger.beta.jpg
YEP, the real power of v3 is a two times lower then shown on their advertise.
it's about 300 mW on Balance and about 150 mW on SE outputs. I saw the measurements results.
Also Tempotec official chat confirmed this information
They are sum two channels power for advertise proposes.
 
Jan 21, 2024 at 7:31 AM Post #375 of 653
YEP, the real power of v3 is a two times lower then shown on their advertise.
it's about 300 mW on Balance and about 150 mW on SE outputs. I saw the measurements results.
Also Tempotec official chat confirmed this information
They are sum two channels power for advertise proposes.

I know... (I was the one who shared that chat :sweat_smile:) Which measurements did you see though? I could only find this one (that I just shared).

Assuming 100 mW(rms), peak would be 100*sqrt(2) which is ~140mW. Quite close to official spec (per-ch).
Meanwhile, BAL output would have a peak of ~580 mW/ch. Now, that's very close to offical spec (as-is; official 610 mW [combined]).

Edit: Got confirmation in the TG group that the measurement for voltage (and power) are in Vrms at the point of clipping (on an oscilloscope), and it is for one channel, 1 kHz test tone.
 
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