The iBasso P3+ Herron has made its way to my door and there are images and more . . .

Jun 6, 2009 at 6:34 AM Post #61 of 302
140-cobra-heron-stack.jpg


"The Stack"

An iRiver H140 with a 120gb HD, the iBasso Cobra as the dac and of course the P3+ amplifying the show.

Enjoying the Heron with the stock opamps, transistor buffers and an AD744 in the G and V socket.
 
Jun 6, 2009 at 3:14 PM Post #62 of 302
Anyone has pictures of the back panel without the screws on? I would like to see the screw holes closely. TIA.
 
Jun 6, 2009 at 7:23 PM Post #63 of 302
No pix, but it has threaded stud on top right and bottom left. Much quicker and easier to change batteries. The nuts even have a small countersink to help start threading them on.
 
Jun 6, 2009 at 11:18 PM Post #64 of 302
Quote:

Originally Posted by tongson /img/forum/go_quote.gif
Anyone has pictures of the back panel without the screws on? I would like to see the screw holes closely. TIA.


P3-rear-screw.jpg
 
Jun 7, 2009 at 3:42 AM Post #66 of 302
Thanks jamato8. Nice, no threads on the case.
 
Jun 9, 2009 at 3:12 AM Post #67 of 302
Hi Jamato,

Any chance you may comment on the performance between the P3+ and the P3 F.Q?

Thanks.
 
Jun 9, 2009 at 3:56 AM Post #68 of 302
F.Q.?
 
Jun 9, 2009 at 4:09 AM Post #69 of 302
Tonight I made up several modules using the AD744 in output-bypassed, Class A bias configuration. I used the SOIC version with SMD resistors to allow a fit in the D10 case.

The sound is very good..very detailed. I haven't yet sorted out which buffers will work best in the D10, but am using stacked BUF634 in the P3+. These are labor-intensive to make up, and I remember now how much I don't like working with SMD devices!
 
Jun 9, 2009 at 4:24 AM Post #70 of 302
Ron, you need to get an oven.
 
Jun 9, 2009 at 12:12 PM Post #71 of 302
Could I bother either of you two to test the P3+ (with whatever setup you have right now) with some high sensitivity IEMs? I'm wondering if the new hi current setup has more hiss then the stock and if the stock has any hiss at all.
 
Jun 9, 2009 at 12:48 PM Post #72 of 302
Quote:

Originally Posted by jamato8 /img/forum/go_quote.gif
F.Q.?


Yeap, the P3 oem version. How do you compare the P3+ and the P3 OEM?
 
Jun 9, 2009 at 4:41 PM Post #75 of 302
Quote:

Originally Posted by GreenLeo /img/forum/go_quote.gif
Yeap, the P3 oem version. How do you compare the P3+ and the P3 OEM?


There isn't an OEM P3 that I know of. There is the OEM or fi.Q but they are different amps both in layout and voltage so I could compare the P3+ to any amp.
 

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