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Hey Hey! The iBasso D4 "Mamba" with dual dacs! - Page 2

post #16 of 1131
10/13/09 at 10:51pm
No info the iBasso site as of yet!
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post #17 of 1131
10/13/09 at 11:01pm
Quote:
Originally Posted by jpstereo View Post
No info the iBasso site as of yet!
Yeah, first thing I did was check the site But I think that Jamato receives info ahead of time, since he is a regular reviewer of iBasso.
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post #18 of 1131
10/13/09 at 11:02pm
Ugh, I wish I could justify having more than one Portable DAC/Amps... as this looks awesome. I keep buying them then selling them off.
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post #19 of 1131
10/14/09 at 12:00am
looks good for sitting on the desk. look forward to jamato's review on its dual wolfson dac.
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post #20 of 1131
10/14/09 at 12:11am
Can't wait to hear how this things sounds. In!
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post #21 of 1131
10/14/09 at 12:49am
The ability to use 9V is very interesting.

In theory, the best 9V op-amp should sound better than the best 5V op-amp.
You could have more voltage headroom and better constant current sources powering the differential pair.

But when the 9V goes flat and you need to fall back to USB you need to change/Roll OP-amp.

Will need to spend time searching for the best 5V op-amp and the best 9V op-amp.
A great product to eat away more of my time, and maybe money.
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post #22 of 1131
10/14/09 at 2:06am
Quote:
Originally Posted by madwolf View Post
The ability to use 9V is very interesting.

In theory, the best 9V op-amp should sound better than the best 5V op-amp.
You could have more voltage headroom and better constant current sources powering the differential pair.

But when the 9V goes flat and you need to fall back to USB you need to change/Roll OP-amp.

Will need to spend time searching for the best 5V op-amp and the best 9V op-amp.
A great product to eat away more of my time, and maybe money.
you should try portaphile in 24v
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post #23 of 1131
10/14/09 at 3:22am
excited! XD XD
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post #24 of 1131
10/14/09 at 3:41am
i wonder if it will be able to use li-ion "9V" battery...
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post #25 of 1131
10/14/09 at 3:48am
Sigh, that thing is so hot. I am glad I waited for the next generation of Ibasso amps. Now it's either I get this or wait for a similar product but with optical also. I wonder how long the battery life is though.
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post #26 of 1131
10/14/09 at 7:56am
Too bad this doesn't have a charging circuit for the battery
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post #27 of 1131
10/14/09 at 11:58am
yes, lwhile intriguing, not what i'm waiting for. although at the moment i'm toying with the idea of a 'portable' battery modded VALAB I would and will still buy the dual 8740 D11, which I would guess is not that far away
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post #28 of 1131
10/14/09 at 12:19pm
I wonder, how do you get the line-out out of the DAC? Jumper?
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post #29 of 1131
10/14/09 at 1:44pm
Thread Starter 
Quote:
Originally Posted by ClieOS View Post
I wonder, how do you get the line-out out of the DAC? Jumper?
The jack by the volume control has a detector that will make it either a line out from the dac or a line in so you can use just the amp section.

The run time on a 300mA battery is 9 hours. There is a lot for a battery to power. The op amp, buffer and two dacs. I guess that my 500mA li poly will run around 15 hours or so. Alkalines, would run longer.
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post #30 of 1131
10/14/09 at 2:14pm
Quote:
Originally Posted by jamato8 View Post
The jack by the volume control has a detector that will make it either a line out from the dac or a line in so you can use just the amp section.
Thanks for the explanation. Quite an interesting thing to know
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Head-Fi.org › Forums › Equipment Forums › Portable Headphone Amps › Hey Hey! The iBasso D4 "Mamba" with dual dacs!