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Sonic Satori - HRT Levels the Field with the MicroStreamer - Page 38

post #556 of 997
Quote:
Originally Posted by zenpunk View Post
 

Maybe a special firmware for people using only IEMs would be good, and power consumption might be reduced even further.

Straight from my laptop max volume with  sensitive iems is usualy 10/100. :(

 

i use a jvc fxz200 (16 ohm) and for me its 4 to 8/100

i dont really mind it though

post #557 of 997

So I upgraded my firmware from v1.1 to v1.2 NAS tonight.

 

I noticed in the USBView the following line:

MaxPower:             0x4B (150 Ma)

 

now says:

 

MaxPower:             0x31 (98 Ma)

 

So here's hoping the battery drain is improved.

 

A quick test with Neutron player indicates that output has indeed been reduced. I used to listen at half volume, but now I'm listening around 60-70%, which seems fine.

post #558 of 997
Quote:
Originally Posted by Jonamafun View Post
 

So I upgraded my firmware from v1.1 to v1.2 NAS tonight.

 

I noticed in the USBView the following line:

MaxPower:             0x4B (150 Ma)

 

now says:

 

MaxPower:             0x31 (98 Ma)

 

So here's hoping the battery drain is improved.

 

A quick test with Neutron player indicates that output has indeed been reduced. I used to listen at half volume, but now I'm listening around 60-70%, which seems fine.

Thanks for this.  We might be able to predict battery life off of these numbers.

 

For example, the iPhone 5c has a 1510 mA*hour battery and gets about 8 hours of average use from that based off of reviews.  If my math and unit analysis is right,

 

1510 mA*hours / full charge  *   full charge/ 8 hours of use =  188.75 mA continuous current draw

 

Now, if we add a 98 mA additional current draw on the battery, that would theoretically lower the battery life to 8 hours * (188.75)/(188.75 + 98) = 5 hours, 15 minutes.   This assumes maximum power use (and the mS might not use maximum power all the time).    

 

So, yes, the mS will lower the use time of the iPhone.  

 

By the way, it is surprising that you got the mS to work with the original firmware.  I'm guessing that the mS didn't need 150mA when it was first plugged into your iPhone, so you didn't get the "too much power" error message for >100 mA.    That says the mS current draw is probably not the maximum all the time, and so the battery life will be longer than the above numbers suggest.  

post #559 of 997

98ma is also the same for the regular firmware (latest) so no advantages in choosing the NAS, is it?

post #560 of 997

I have the newest regular firmware on my mS, IIRC.  I would not be concerned about the NAS version for iDevice compatibility (which is why I flashed mine). 

post #561 of 997
I'm using a Samsung S3 4G, not iPhone.

I also didn't check the standard 1.2 firmware because the website appeared to imply the NAS version was the low powered version. Then again it is a pretty terrible website!
post #562 of 997

Ah, that explains it.  Samsung's devices play much nicer with outboard DACs as compared to Apple's. 

post #563 of 997
Just to mention that the combo Mad dogs/micostreamer works very well.
Still I would like to compare this HRT with ODAC/O2. If anybody would have an idea....
post #564 of 997

I just picked up a pair of Sennheiser HD800's. I have been listening the the MicroStreamer from JRiver Media Center to the HD800's and to my Stax 407 setup. This little DAC is really very impressive, especially for the price. 

 

I also have an AK120 that I can use as a USB DAC also and even though the AK120 is better, it's not that much better...

post #565 of 997

I would really love to hear about this comparison, or make one myself. Anybody with an O2/ODAC in LA want to meet up with me? ^_^

 

Quote:

Originally Posted by cocolinho View Post

Just to mention that the combo Mad dogs/micostreamer works very well.
Still I would like to compare this HRT with ODAC/O2. If anybody would have an idea....
post #566 of 997

For anyone who is getting glitches with USB Audio Recorder PRO with the HRT Microstreamer, could you please try and install this version (this is for people who have purchased it only) :

 

http://www.audio-evolution.com/priv_downloads/USBAudioRecorderPRO_1.2.7feedbackfix.apk

 

Please let me know if this changes anything.

 

Thank you,

 

Davy

post #567 of 997
Quote:
Originally Posted by f198 View Post
 

What is from your experiences the battery lifetime when listening music with microstreamer(latest firmware) atttached to (iphone/ipod touch/android phone) ?

 

the hrt microstreamer needs 150mA at 5 volt, maybe this info helps to calculate battery lifetime.

post #568 of 997

Would someone please decipher "NAS" so I can determine which of the 1.2 firmware files to use?

 

Thanks!

 

-Eric


Edited by ericr - 10/14/13 at 11:32pm
post #569 of 997

Network Attached Storage.

The microstreamer only need 98mA.

post #570 of 997

Arggg...

 

Having just recently purchased a Synology NAS raid device ot keep our home computers and my college students notebook PCs backed-up on a real time basis, your answer of "Network attached storage" was the last thing I was expecting, considering we are talking headphones!

 

"The microstreamer only net 98mA",  Could you be a bit less criptic?  So, woohoo, the Microstreamer only needs 98mA?  How in <blep> does that help me deterimine if I need the NAS 1.2 firmware or just the 1.2 firmware?????

 

-Eric

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