I will let you know
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S.M.S.L PO100, PO100 PRO & PO100 AK - Measurements (Digital Interfaces & DAC)
- Thread starter VintageFlanker
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Witterings
Senior Member
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So funny you are!I'd go for 1 of the ones that has PO 100 in it's name
Shrek6
Member
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- Dec 18, 2019
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Roland68
Major Contributor
A very cheap USB chip, poor measurements and only 96kHz? There's a very high probability of getting significantly worse performance than with the PO100 2024, which costs about €8-10 more.
You can get such inexpensive USB to SPDIF (Coax/Toslink) boards fully assembled and working on AliExpress for €5-10. A piece of heat shrink tubing or a 3D-printed enclosure will suffice.
Dumdum
Senior Member
I get zero issues like this while playing from Apple Music, anything from 44.1khz to 192khz track lists in various playlists, it definitely isn’t typical and the first time I’ve come across this issue
Recently purchased two USB -> optical converters for use with a Chord Mojo 2.
The Cubilux works fine on my Mac mini m4. It's plug and play. No glitches, stutters or problems. The sample rate on the Mojo always matches what I expect based on track or Audio MIDI settings.
The SMSL seems to have a mind of its own...sometimes stuttering or pausing playback. Often the sample rate is mis-matched (like it shows 88khz for a 44khz track). I've used a windows PC to check the firmware and it's the latest version. Various cables haven't fixed it.
Disappointing that the device from a 'proper' company, SMSL, doesn't actually seem to work and the less known brand works fine.
I can't find any info on what chip cubilux is using, but they sound the same to my ears with music.
- SMSL PO100 2024
- Cubilux USB C to SPDIF Transmitter
The Cubilux works fine on my Mac mini m4. It's plug and play. No glitches, stutters or problems. The sample rate on the Mojo always matches what I expect based on track or Audio MIDI settings.
The SMSL seems to have a mind of its own...sometimes stuttering or pausing playback. Often the sample rate is mis-matched (like it shows 88khz for a 44khz track). I've used a windows PC to check the firmware and it's the latest version. Various cables haven't fixed it.
Disappointing that the device from a 'proper' company, SMSL, doesn't actually seem to work and the less known brand works fine.
I can't find any info on what chip cubilux is using, but they sound the same to my ears with music.
Dumdum
Senior Member
Never had any issues like this when feeding my headphone amp which indicates sample rate with an smsl po100 2024 or pro
What's your source device and chain like?
Dumdum
Senior Member
iPhone 15 pro and an smsl do100… unsure what difference that makes to how the device performs
When I asked cubilux about the chip they used I got a very vague response
"The chip used inside this USB to optical converter is sourced from a tier 1 supplier. However, we do not disclose the specific chip model."
So yeah....I guess it likely isn't the same XMOS chip from the SMSL which has great measurements. Or else they'd use that in the marketing copy.
"The chip used inside this USB to optical converter is sourced from a tier 1 supplier. However, we do not disclose the specific chip model."
So yeah....I guess it likely isn't the same XMOS chip from the SMSL which has great measurements. Or else they'd use that in the marketing copy.
Why can’t you just go usb from the iPhone straight to the do100 without the po100?
Dumdum
Senior Member
I can… and do… I was just testing the coax out of the smsl
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