-
WANTED: Happy members who like to discuss audio and other topics related to our interest. Desire to learn and share knowledge of science required. There are many reviews of audio hardware and expert members to help answer your questions. Click here to have your audio equipment measured for free!
SMSL SU-1 Stereo DAC Review
- Thread starter amirm
- Start date
Sorry, what is "smth"?
What kind of model is the PC you connected?
What kind of symptoms do SU-1 occur?
staticV3
Grand Contributor
- Joined
- Aug 29, 2019
- Messages
- 11,989
- Likes
- 19,758
Short for something
USB 2.0 or 3.0?
Nutul
Senior Member
Is this serious?!?
SU-1 uses approx 1.3W under normal use, so it's kind of hard to imagine it could be power starved unless it is connected to an very old or extremely low power device.
Using a UPS to power the SU-1 implies it has been modified, though, so that could have an impact.
Using a UPS to power the SU-1 implies it has been modified, though, so that could have an impact.
staticV3
Grand Contributor
- Joined
- Aug 29, 2019
- Messages
- 11,989
- Likes
- 19,758
Not necessarily.
You can buy, or make a USB splitter cable which allows you to power the DAC from an external power supply.
DSJR
Major Contributor
I've now just plugged mine into one of the USB3 sockets on the back of the PC after a while from an external USB wall wart and optical feed - can't say I can hear any difference which hopefully confirms supply immunity in the SU1...
Loftrocket
Member
- Joined
- Apr 3, 2024
- Messages
- 31
- Likes
- 11
Nutul
Senior Member
Is there a difference between usb otg cables? I mean in sound quality. I really doubt, but asking anyway.
staticV3
Grand Contributor
- Joined
- Aug 29, 2019
- Messages
- 11,989
- Likes
- 19,758
There's no difference in sound quality.Is there a difference between usb otg cables? I mean in sound quality. I really doubt, but asking anyway.
Loftrocket
Member
- Joined
- Apr 3, 2024
- Messages
- 31
- Likes
- 11
Attachments
Last edited:
Completely unnecessary and would have the product worse imo. A single port for power and data is good.I know, i know.
They should made 2 usb sockets, like M3 have.
There are other products that meet your needs, so you should choose one of them.I know, i know.
They should made 2 usb sockets, like M3 have.
For me this product is perfect and I don't need the extra USB-C. SU-1 is a product specialized for specific applications.
Nutul
Senior Member
IMHO no. Not that you can hear.
I read some articles regarding added power, and I also equipped myself with a Y cable to power a USB device.
But I left it alone: basically I believe that nowadays a manufacturer who sells a USB device like this, which has more than excellent performance, has this situation well in mind, has already done the tests and certainly if he hasn't considered necessary to proceed differently is because he probably didn't consider it a problem, or better yet he didn't consider it necessary to equip the devices with additional solutions.
But I left it alone: basically I believe that nowadays a manufacturer who sells a USB device like this, which has more than excellent performance, has this situation well in mind, has already done the tests and certainly if he hasn't considered necessary to proceed differently is because he probably didn't consider it a problem, or better yet he didn't consider it necessary to equip the devices with additional solutions.
I have personally conducted tests to verify the changes in sound quality due to the differences in power supply that everyone is talking about.
I compared several mobile phone power adapters, linear power supplies, storage batteries, etc., but there was no difference at all. The discussion of sound quality changes due to differences in power supply is completely meaningless with today's well-designed DAC products. If there is a difference, there are other causes.
Similar threads
- Poll
