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Jan 8, 2014 at 5:35 PM Post #498 of 14,084
Well, what did they refine on the HDP-R10...
 
 
  1. Battery voltage -  partly in order to improve battery duration, and partly (I think I recall) to comply with Japanese regulations.
 
  1. I think I recall them specifying OPA627 op-amps, but to be honest, I can't recall which op-amps iBasso used on the DX100, since they were obscured.
 
 
The battery voltage of the DX50 / DX90 is pretty much dictated by commercial availability of the Samsung cellphone battery (or 3rd-party equivalent), so I doubt there would be any push to change anything about the battery voltage this time.
 
As for op-amps...well...I suppose that depends on what iBasso choose for the standard DX90.
 
 
In short, I feel it is less likely that there will be a Hibino/Japanese special version of the DX90.
 
Jan 8, 2014 at 8:00 PM Post #500 of 14,084
What do you guys think of removing the coaxial out in favour of balance line out?

 
Can't say I'd want to pay that large a penalty for B-LO, personally...
 
(...but I do appreciate that you are trying to consider how iBasso might be able to squeeze-in a B-LO)
 
 
 

 
Jan 8, 2014 at 8:15 PM Post #501 of 14,084
Well balanced out would also require the PCB redesign and I don't think this is going to happen. You could always have someone modify it but they would most likely charge you as much as the player costs, maybe a little less but I would wait and listen to it first. 
 
Jan 9, 2014 at 3:46 AM Post #503 of 14,084
I got word from Ibasso that the DX90 hardware is most definitely final, but they would consider my suggestions for their next DAP. 
 
So, we're out of luck getting balanced line out on the DX90 but if enough people request it, I'm sure we'll see another DAP with balanced output from them 
happy_face1.gif

 
Jan 9, 2014 at 4:06 AM Post #504 of 14,084
can anyone pls expain what balanced output is??
 
pardon my knowledge,pls
confused_face_2.gif

 
Jan 9, 2014 at 4:11 AM Post #506 of 14,084
  can anyone pls expain what balanced output is??
 
pardon my knowledge,pls
confused_face_2.gif

 

 
see
 
http://www.head-fi.org/t/539458/why-balanced-headphone-amps
 
http://www.head-fi.org/t/595246/difference-between-push-pull-and-balanced
 
and
 
http://www.head-fi.org/t/506638/balanced-headphones-is-there-a-consensus
 
for example...
 
Jan 9, 2014 at 4:57 AM Post #508 of 14,084
I got word from Ibasso that the DX90 hardware is most definitely final, but they would consider my suggestions for their next DAP. 

So, we're out of luck getting balanced line out on the DX90 but if enough people request it, I'm sure we'll see another DAP with balanced output from them :happy_face1:


I do not have issue with this decision as I like the form factor of DX50. Hope there will be less teething problem at release.
 

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