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Ibasso D2 Boa . . . new and smaller . . . with updates on 1st page. .
Jun 6, 2008 at 2:25 AM Post #376 of 1,141
Quote:

Originally Posted by hockeyb213 /img/forum/go_quote.gif
ok and the best way to buy it is straight on their site I assume and I saw it is in euros when I pay with a credit card I won't have any issues being here in the U.S. right?


nope paypal will give you a conversion rate of 1usd =.6x euro's
 
Jun 6, 2008 at 3:13 AM Post #379 of 1,141
I think it will not auto convert if you have the Euro account setup. I am not too sure about this though.
I ordered mine like yesterday, package is scheduled for delivering tomorrow. 2 days service to Canada cost only 12euros, i don't think anyone mind paying little more for the rip-off conversion.
biggrin.gif
 
Jun 6, 2008 at 5:47 AM Post #382 of 1,141
more piks Viper vs. Boa...

[size=large]Nudiehost Links...[/size]
[size=medium]Size...[/size]


[size=medium]Insides...[/size]




OR

[size=large]Tinypic (shrunk to 25%)...[/size]

[size=medium]Size...[/size]
vgu9sn.jpg


[size=medium]Insides...[/size]
15f41ub.jpg

snnotd.jpg

nnv37t.jpg
 
Jun 6, 2008 at 5:51 AM Post #383 of 1,141
Nice hosting site with plenty of pornography served up. Not everyone is going to enjoy clicking on the thumbnails to be linked to pornography.
 
Jun 6, 2008 at 6:03 AM Post #384 of 1,141
Other than the racy logo, I don't think those thumbnails really have anything offensive to them. The site doesn't seem to actually show any pornography when you view the pictures of the amp.
 
Jun 6, 2008 at 6:18 AM Post #385 of 1,141
Quote:

Originally Posted by sonicm /img/forum/go_quote.gif
Other than the racy logo, I don't think those thumbnails really have anything offensive to them. The site doesn't seem to actually show any pornography when you view the pictures of the amp.


still lots of work places will hammer you for even a photo hosted on such a URL.

and below are pornographic images and banners.

Id at least put NWS
 
Jun 6, 2008 at 4:24 PM Post #389 of 1,141
I have just completed audition of D2-Boa with AKG K601 headphone and comparison with my newly purchased D2-Viper. Burn-in for D2-Viper has reached 300 hours and 50 hours for D2-Boa (on demo unit done by the store). Followings are my subjective assessments.

With stock op-amps, sound signatures between both amplifiers are quite close and rather satisfactory. I could hear presence of tight and controlled bass for D2-Boa. Thus I don't see the need of op-amp rolling.

For the same required volume level with AKG K601 headphone, following settings were set for both amplifiers:
D2-Boa: Gain Switch = High (Up), Volume = 3 O'clock
D2-Viper: Gain Switch = High (Up), Volume = 1 O'clock
In fact gain switch setting does not have much effect on both amplifiers. With volume setting of 30 degree more on the scale, D2-Boa is able to drive difficult can such as AKG K601 as well as D2-Viper (I suspect it should be able to drive AKG K701 as well).

I suspect the 4.7V supply voltage in D2-Boa has been doubled (differential voltage of about 9V) with a pair of positive and negative power rails just like Meier Audio's 2Move amplifier. Thus it can drive the headphone as well as D2-Viper with much lower supply voltage. This assumption can only be confirmed by iBasso.

I am going to sell my 18-day old D2-Viper to recover fund for purchase of D2-Boa for its smaller size and USB charging (with no need for op-amp rolling).
 
Jun 6, 2008 at 4:36 PM Post #390 of 1,141
Can anyone tell me about the DAC/amp quality out of a usb port on a computer with either the Beyer dt770, Equation rp-21 or Denon d1000? I've read here that the dt770 gets even more muddy, so I'm kind of worried about that.

Any impressions welcome, thank you.
 
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