Can you buy the amp with out the power supply?
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Fresh From The Oven: iBasso P5 "Falcon"
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lin0003
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Can you buy the amp with out the power supply?
Don't think so, I'm under the impression that they come as a package.
I'm curious how much of an impact the power supply is going to have on the amp when it is used with IEMs.
Well I would only want the amp by its self.
T.R.A.N.C.E.
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There are circuits where the opa637 isn't stable.
Thanks for reminding me, slipped my mind, for stability OPA637 should be used only with a gain greater than 5, so it won't be a problem with P5 on high gain which is 9, but shouldn't be used on the lower gain setting's of med, and low (4, 0).
audionewbi
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Thanks Jamato and Trance for your tips. I heard one diy OPA637SM who did not disclose what he used inside beside the 637SM and ever since it has haunted me.
I am willing to compromise and go with the OPA627SM, it is that I am not sure what comes inside the P5, do I need to order things separately, (eg the BUF and the opamp).
I know i have to get the 627SM but I am not too clear on whether I need to get the BUF or it already comes installed.
edit: I just checked the manual and got my answer.
Manual link indicates that "OPA627*2, BUF634U*4, and BUF634P*4 are mounted on the P5"
http://ibasso.com/uploadfiles/20150815/201508151829012550.pdf
I think ibasso site has compatibility issue with chrome.
I am willing to compromise and go with the OPA627SM, it is that I am not sure what comes inside the P5, do I need to order things separately, (eg the BUF and the opamp).
I know i have to get the 627SM but I am not too clear on whether I need to get the BUF or it already comes installed.
edit: I just checked the manual and got my answer.
Manual link indicates that "OPA627*2, BUF634U*4, and BUF634P*4 are mounted on the P5"
http://ibasso.com/uploadfiles/20150815/201508151829012550.pdf
I think ibasso site has compatibility issue with chrome.
audionewbi
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Manual link
http://ibasso.com/uploadfiles/20150815/201508151829012550.pdf
I think ibasso site has compatibility issue with chrome.
http://ibasso.com/uploadfiles/20150815/201508151829012550.pdf
I think ibasso site has compatibility issue with chrome.
T.R.A.N.C.E.
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Honestly the stock config for the P5 is pretty epic, double stacked BUF634 are hard to beat as buffers imo. You could try swapping the amp stage from 627 to 637 for giggles, but would be restricted to high gain only. Or could leave 627 in amp stage, swap out buffer from stacked BUF634 to the OPA637 to see how they sound acting as buffers (again limited to high gain). Just way to many possibilities in configuration. Will drive you mad
Below is a pic of a prototype P5 that has been fully tricked out with Muses02 metal can, BUF634P, BUF03 metal can's and 4700uF capacitors. Also cool to note is the capacitor's are swappable thanks to a screw in post, didn't make it to production P5 though sadly.
Below is a pic of a prototype P5 that has been fully tricked out with Muses02 metal can, BUF634P, BUF03 metal can's and 4700uF capacitors. Also cool to note is the capacitor's are swappable thanks to a screw in post, didn't make it to production P5 though sadly.
audionewbi
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I already have the portaphile 627x which already has 3 x OPA627 , 6xBUF634. What I miss is a little more treble energy which I hear OPA627SM offers.
T.R.A.N.C.E.
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I already have the portaphile 627x which already has 3 x OPA627 , 6xBUF634. What I miss is a little more treble energy which I hear OPA627SM offers.
OPA637 or OPA637SM is an even better bet if your after more energy.
audionewbi
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OPA637 or OPA637SM is an even better bet if your after more energy.
All the reading I did so far tells me OPA637SM requires proper implementation and the few diyer i talked to cannot verify if in case of falcon simple opamp swapping will fully unleash its potential.
T.R.A.N.C.E.
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Might be a bit of a gamble, but there is a pretty good chance that it will work like a charm and you will be in audio heaven
I hope ibasso give the option to buy only the P5, the asking price is too high for me atm and I'm sure a large chunk of it is due to that power supply bundled.
I hope ibasso give the option to buy only the P5, the asking price is too high for me atm and I'm sure a large chunk of it is due to that power supply bundled.
Will OPA637 work in the P4?
T.R.A.N.C.E.
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tomcourtenay
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Anyone has it? Any reports about the sound quality?
Paul - iBasso is there any possibility to buy it without de PS as happens in China?
Paul - iBasso is there any possibility to buy it without de PS as happens in China?
T.R.A.N.C.E.
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@Paul - iBasso is there any possibility to buy it without de PS as happens in China?
That's what I'm waiting for as well, I haven't bought because I don't need the power supply and it is driving up the cost, give me a lone P5 for ~$300 and I'm sold.
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