UpTone Audio USB Regen Listening Impressions

[Karin]

Yuhengdu, why not just get the Supra cable, which has been found to be excellent with the Regen, and tape over the power lead pins? Would be cheaper.

It has been found to use a cable from the computer to the Regen and an adapter from the Regen to the DAC give best results for the majority of users. You can also tape over the power lead pins of the adapter if you don't need the 5V for handshake or power.

 

 

Hi ElviaCaprice and Yuhengdu, unfortunately tape is not the most effective solution. Placing tape between the two pins will block the 5VDC, but at the same time you will also create a small capacitor (two electrical conductors separated by a dielectric). Due to this small capacitor high frequency noise still radiates into the data. Also placing tape is not user friendly. An easier and not expensive solution is the Sbooster Vbus Isolator.

Regards,

Karin

Sbooster

[russtafarian]

Why such mid-fi speakers? I'm joking but do not think they're all that great. Of course, IMO.

 

 

 

I see you're still rockin' the DCX.

[jtwrace]

I see you're still rockin' the DCX.

 

That's correct. Also have a Hypex DLCP. Read at how I use it though. Makes no difference whatsoever.

[zilch0md]

Hi ElviaCaprice and Yuhengdu, unfortunately tape is not the most effective solution. Placing tape between the two pins will block the 5VDC, but at the same time you will also create a small capacitor (two electrical conductors separated by a dielectric). Due to this small capacitor high frequency noise still radiates into the data. Also placing tape is not user friendly. An easier and not expensive solution is the Sbooster Vbus Isolator.

Regards,

Karin

Sbooster

 

That's cool. I didn't know anyone was offering an accessory like this.

 

Thanks!

[DEANO2]

I have an AQVOX 5v USB linear power supply dongle, which isolates the power ft on the computer but passes power thru. Would it be better to use that. At the moment it's attached to my headphone dac, an AUNE mk ii.

[rocky]

I have an AQVOX 5v USB linear power supply dongle, which isolates the power ft on the computer but passes power thru. Would it be better to use that. At the moment it's attached to my headphone dac, an AUNE mk ii.

 

It would be great if you get a chance to try it and let us know what you think as it nice to get a variety of opinions.

Others I think I read have had good results with the AQVOX in the chain.

[DEANO2]

I'll give it a try tomorrow, Bye the way what is the voltage requirement for the regen e.g. 7 to 9vdc, how many amps ?

[yuhengdu]

The REGEN was designed to be placed as close to the DAC as possible, that is why it is in a small light weight case.

 

John S.

 

Thank you John, I am ordering Regen right now. It will arrive in Octorber.

 

Hi ElviaCaprice and Yuhengdu, unfortunately tape is not the most effective solution. Placing tape between the two pins will block the 5VDC, but at the same time you will also create a small capacitor (two electrical conductors separated by a dielectric). Due to this small capacitor high frequency noise still radiates into the data. Also placing tape is not user friendly. An easier and not expensive solution is the Sbooster Vbus Isolator.

Regards,

Karin

Sbooster

 

Thank you. That's the first time I know a product like this as well. I know that Aqvox make some power isolation and pass through usb power supplies.

[DEANO2]

That is what I intend to try Supra cable into the Regen, then the AQVOX into my NAD M51. I use the supplied SMPS for the Regen although that is supplied power from an isolation transformer.

 

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[ElviaCaprice]

Hi ElviaCaprice and Yuhengdu, unfortunately tape is not the most effective solution. Placing tape between the two pins will block the 5VDC, but at the same time you will also create a small capacitor (two electrical conductors separated by a dielectric). Due to this small capacitor high frequency noise still radiates into the data. Also placing tape is not user friendly. An easier and not expensive solution is the Sbooster Vbus Isolator.

Regards,

Karin

Sbooster

 

Not if you use electrical tape. Can't get more simple or cheaper than that. I don't know what additional SQ issues that booster could introduce? Not too thrilled about adding additional items into my work flow.

[lmitche]

That's cool. I didn't know anyone was offering an accessory like this.

 

Thanks!

 

I am trying one today between my REGEN twins. It will replace an AQVOX USB connector with no PS attached.

[Kugel]

Hello

Someone used a Regen and AQJiterbug together in a Macbock Air?

[DEANO2]

So I inserted my AQVOX USB power dongle on the output end, listening to Brothers in Arms Dire Straights I. The dynamic limitations of my Magneplanar 1.17s have vanished. The improvement in dynamics is astounding. Decays last longer, the imaging and clarity is just brilliant and my neighbour's hate me. It's 7 o'clock here in Aus and I can't help myself I knew I was addicted to listening to music now I have Knoffler and Sting in my room ( money for nothing).

[photonman]

Can anyone comment on the effect of the REGEN on "Hash" noise or flowing-water noise as I call it with and without the REGEN?

 

Someone commented in another thread in regards to my Raspberry Pi music server woes saying that a REGEN could possibly help with the "hash" noise I am experiencing which is not related to hard drives or power supplies. Both variables were eliminated already as the exact same noise was present with running the music from internal flash and using a LPSU to power the Pi.

 

I know everyone is expecting to hear major improvements when you insert your REGEN but perhaps there are other more subtle improvements such as when you put your ears really close up to those tweeters. IDK.

[sandyk]

Can anyone comment on the effect of the REGEN on "Hash" noise or flowing-water noise as I call it with and without the REGEN?

 

Someone commented in another thread in regards to my Raspberry Pi music server woes saying that a REGEN could possibly help with the "hash" noise I am experiencing which is not related to hard drives or power supplies. Both variables were eliminated already as the exact same noise was present with running the music from internal flash and using a LPSU to power the Pi.

 

I know everyone is expecting to hear major improvements when you insert your REGEN but perhaps there are other more subtle improvements such as when you put your ears really close up to those tweeters. IDK.

 

In each case, are you still using USB from the server to the DAC ?

IIRC, you previously suggested that the server may have been noisy ?

[sandyk]

Not if you use electrical tape. Can't get more simple or cheaper than that. I don't know what additional SQ issues that booster could introduce? Not too thrilled about adding additional items into my work flow.

 

Theoretically, Karin is correct, but the amount of extra capacitance would only be a few picoFarads at the most, and the impact should be negligible.

[photonman]

In each case, are you still using USB from the server to the DAC ?

IIRC, you previously suggested that the server may have been noisy ?

 

Yes, USB both cases. I am including the USB interface as part of the "server" as that is my only choice from the Pi.

[zilch0md]

Can anyone comment on the effect of the REGEN on "Hash" noise or flowing-water noise as I call it with and without the REGEN?

 

Someone commented in another thread in regards to my Raspberry Pi music server woes saying that a REGEN could possibly help with the "hash" noise I am experiencing which is not related to hard drives or power supplies. Both variables were eliminated already as the exact same noise was present with running the music from internal flash and using a LPSU to power the Pi.

 

I know everyone is expecting to hear major improvements when you insert your REGEN but perhaps there are other more subtle improvements such as when you put your ears really close up to those tweeters. IDK.

 

Hi photonman,

 

Going only on the information you've provided in the quoted post, I suspect you might be hearing "hiss" from an amplifier that has too high a gain for efficiency of your headphones or speakers. Are you able to A) lower the gain of your amplifier or B) select speakers or headphones that are less efficient?

 

Mike

[hifitubes]

Hi photonman,

 

Going only on the information you've provided in the quoted post, I suspect you might be hearing "hiss" from an amplifier that has too high a gain for efficiency of your headphones or speakers. Are you able to A) lower the gain of your amplifier or B) select speakers or headphones that are less efficient?

 

Mike

 

Maybe it's the 8kHz carrier ?

 

 

Sent from my iPhone using Tapatalk

[photonman]

Hi photonman,

 

Going only on the information you've provided in the quoted post, I suspect you might be hearing "hiss" from an amplifier that has too high a gain for efficiency of your headphones or speakers. Are you able to A) lower the gain of your amplifier or B) select speakers or headphones that are less efficient?

 

Mike

 

Hi,

Gain is not adjustable. It is 26.

 

Speaker efficiency is 91 db

 

Problem is not evident with the Macbook Pro.

 

It is something with the Raspberry Pi I think, I guess you get what you pay for

 

It is just a project now, to get the sound working well from a $50 computer.

 

It is all in fun and not expecting anything other than some fun experimenting.

[sdube]

So, if I have got it right, you have computer into Supra cable into Regen (fed by SMPS) into AQVOX (fed by its wall-wart) into DAC? And, this way, the DAC is not getting power from the Regen but from the AQVOX?

So I inserted my AQVOX USB power dongle on the output end, listening to Brothers in Arms Dire Straights I. The dynamic limitations of my Magneplanar 1.17s have vanished. The improvement in dynamics is astounding. Decays last longer, the imaging and clarity is just brilliant and my neighbour's hate me. It's 7 o'clock here in Aus and I can't help myself I knew I was addicted to listening to music now I have Knoffler and Sting in my room ( money for nothing).

[DEANO2]

Yes that's the way I have it. It just improved the clarity and definition. Also I now have real depth of images. I'll see if it's real or just euphoric delusion today but imo it was profound.

[DEANO2]

It's not a wall wart, it's a linear supply. Go to AQVOX site and check it out.

[sdube]

Thanks.

Yes that's the way I have it. It just improved the clarity and definition. Also I now have real depth of images. I'll see if it's real or just euphoric delusion today but imo it was profound.

[sdube]

Just that it looked like a wall-wart in the photo. I have nothing against AQVOX, and actually have their shortest (12 CM) USB cables on order to try on twin Regens. I was simply surprised since the Regen is meant to clean up the AC noise and packet stuff. I run the Regen(s) off the JS-2, but I suppose could try a rather nice LPSU I have (on the desktop system) into my BADA USB Alpha. Hadn't even thought of it, so I asked.

It's not a wall wart, it's a linear supply. Go to AQVOX site and check it out.