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iBasso OEM Project
ryuzoh, thanks for the pics. Its good to see pictures of the people who designed and made my D10.
dazzer1975
Headphoneus Supremus
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Quote:
agreed, its cool to see them and where my d10 started life.
Did I spy two pico's on that black cabinet too? A black and a silver one?
*edit* nope don't think I did lol
Originally Posted by wuwhere /img/forum/go_quote.gif ryuzoh, thanks for the pics. Its good to see pictures of the people who designed and made my D10. |
agreed, its cool to see them and where my d10 started life.
Did I spy two pico's on that black cabinet too? A black and a silver one?
*edit* nope don't think I did lol
EFN
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I REALLY hope that iBasso would hire the maker of MiniBox-E+. The MiniBox-E+ has already succeeded in implementing quad 634BUF and high voltage in a small package. With the right support from the ibasso team, I'd figure they could come up with a super micro sized amp.
Hands down, until today I am still amazed by the prowess of the MiniBox-E+.
Hands down, until today I am still amazed by the prowess of the MiniBox-E+.
ryuzoh
Member of the Trade: Musashi Sound Technologies
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Thanks, that's Boa and Heron.
You can see pico in 3rd pic.
Quote:
MiniBox-E+ has AD8610 and BUF634s architecture, indeed.
But it's not having enough fine caps and afford to make with WB-mode standability,
lacking to drive many kinds of headphones (ER-4s also).
The size sacrificed its power, performance of OPAMPs.
fi.Quest is designed for driving E9 completely.
We can use LM6171, OPA627, AD8010 as BUFs in parallel with stacked 634s.
I can say this amp will be loaded 4-634s per channel.
MiniBox-E+ doesn't have any choices of BUFs and fine pots....
And, we tried to reduce more distortion in this amp.
Like A47 style, local feedback like lisaIII or V2^2, reducing impedance btwn rail, etc....
I'd proposed some my ideas for their newer products.
D10 w/o amp section (for using your favorite amp...aiming at pico size),
E5 size FET discrete amp, paralleled OPAMP architecture.
Also, some their products will be refined (w/ more fine parts).
Originally Posted by dazzer1975 /img/forum/go_quote.gif A black and a silver one? |
Thanks, that's Boa and Heron.
You can see pico in 3rd pic.
Quote:
Originally Posted by EFN /img/forum/go_quote.gif Hands down, until today I am still amazed by the prowess of the MiniBox-E+. |
MiniBox-E+ has AD8610 and BUF634s architecture, indeed.
But it's not having enough fine caps and afford to make with WB-mode standability,
lacking to drive many kinds of headphones (ER-4s also).
The size sacrificed its power, performance of OPAMPs.
fi.Quest is designed for driving E9 completely.
We can use LM6171, OPA627, AD8010 as BUFs in parallel with stacked 634s.
I can say this amp will be loaded 4-634s per channel.
MiniBox-E+ doesn't have any choices of BUFs and fine pots....
And, we tried to reduce more distortion in this amp.
Like A47 style, local feedback like lisaIII or V2^2, reducing impedance btwn rail, etc....
I'd proposed some my ideas for their newer products.
D10 w/o amp section (for using your favorite amp...aiming at pico size),
E5 size FET discrete amp, paralleled OPAMP architecture.
Also, some their products will be refined (w/ more fine parts).
qusp
Member of the Trade: Twisted Cables
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nice one
Quote:
now THAT sounds interesting, i'm interested in the D10, but not for the amp section; I have a perfectly useable amp
Originally Posted by ryuzoh /img/forum/go_quote.gif ........ And, we tried to reduce more distortion in this amp. Like A47 style, local feedback like lisaIII or V2^2, reducing impedance btwn rail, etc.... |
nice one
Quote:
I'd proposed some my ideas for their newer products. D10 w/o amp section (for using your favorite amp...aiming at pico size), E5 size FET discrete amp, paralleled OPAMP architecture. Also, some their products will be refined (w/ more fine parts). |
now THAT sounds interesting, i'm interested in the D10, but not for the amp section; I have a perfectly useable amp
ryuzoh
Member of the Trade: Musashi Sound Technologies
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Yes, I think D10 is one of ultimate.
I heard opinion to yearn DAC only D-series in Japan, completely agreed and also been convinced that will be a bestseller.
So bulky to carry and gather "iHP1X0 - Dseries - favorite amp - Headphones/Earphones" triple-combo
Then that makes slightly downsizing and long runtime
Originally Posted by qusp /img/forum/go_quote.gif now THAT sounds interesting, i'm interested in the D10, but not for the amp section; I have a perfectly useable amp |
Yes, I think D10 is one of ultimate.
I heard opinion to yearn DAC only D-series in Japan, completely agreed and also been convinced that will be a bestseller.
So bulky to carry and gather "iHP1X0 - Dseries - favorite amp - Headphones/Earphones" triple-combo
Then that makes slightly downsizing and long runtime
burgunder
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I see tubes an the shelves
jamato8
Headphoneus Supremus
The images aren't opening up for me.
ryuzoh
Member of the Trade: Musashi Sound Technologies
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Quote:
I changed the pics last 5 min. ago, sorry
Originally Posted by jamato8 /img/forum/go_quote.gif The images aren't opening up for me. |
I changed the pics last 5 min. ago, sorry
qusp
Member of the Trade: Twisted Cables
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yes, but i'm already used to that with my rig anyway DIYMOD 5.5G->VCAP dock->lisa III->headphones. So this is not a stretch; in fact will probably be smaller (just a bit)
Originally Posted by ryuzoh /img/forum/go_quote.gif Yes, I think D10 is one of ultimate. I heard opinion to yearn DAC only D-series in Japan, completely agreed and also been convinced that will be a bestseller. So bulky to carry and gather "iHP1X0 - Dseries - favorite amp - Headphones/Earphones" triple-combo Then that makes slightly downsizing and long runtime |
yes, but i'm already used to that with my rig anyway DIYMOD 5.5G->VCAP dock->lisa III->headphones. So this is not a stretch; in fact will probably be smaller (just a bit)
jamato8
Headphoneus Supremus
Ok, I am listening to the prototype with 634 buffers and I have to look at the opamps but I have to say up front that this amp is very detailed and throws an open energetic sound field. I find the charging options very interesting. You can run it from an external supply at 23 volts or the batteries at 16.8. There is plenty of headroom and potential. I look forward to trying my favorite buffers, the HA5002.
This will be an interesting comparison between this and the Lisa III.
And I really, really like the curve on the volume control. Very gradual and the gain settings are very good and useful.
This will be an interesting comparison between this and the Lisa III.
And I really, really like the curve on the volume control. Very gradual and the gain settings are very good and useful.
clasam
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What are your thoughts so far with the HA5002, Jam?
jamato8
Headphoneus Supremus
I haven't used them yet. I thought I had some mounted but I don't and to use them I would need special adapter boards for the pinout.
im in for this
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