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New VentureCraft Go-DAP X for both iDevices and PCs - Page 27

post #391 of 405
4/27/13 at 2:05pm

Just tried the other USB and no noise, at least not yet. 

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post #392 of 405
4/27/13 at 7:31pm
Quote:
Originally Posted by snapple10 View Post

Just tried the other USB and no noise, at least not yet. 

Hooray!  Let us know after awhile.

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post #393 of 405
4/28/13 at 1:02pm
Will do, thanks for you suggestion. I realized it when I read your post. I do not really pay attention to what USb I am using
I will need to be mindful of which USB works for the go dap x
Cheers
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post #394 of 405
5/4/13 at 8:00am
Thread Starter 

This review is way too late but better late than never. I've written up a quick thought on my customised X :-

 

http://www.head-fi.org/products/venturecraft-go-dap-x/reviews/8903

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post #395 of 405
5/4/13 at 8:14am
Quote:
Originally Posted by AnakChan View Post

This review is way too late but better late than never. I've written up a quick thought on my customised X :-

http://www.head-fi.org/products/venturecraft-go-dap-x/reviews/8903

Very nice and informative review Sean
I am agreed that go dap x with LME 49860 is the best op amp for go dap x
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post #396 of 405
5/4/13 at 8:19am
Thread Starter 
Quote:
Originally Posted by rudi0504 View Post


Very nice and informative review Sean
I am agreed that go dap x with LME 49860 is the best op amp for go dap x

 

Thx. Also I think dropping the Output Impedance from 47 ohm to 10 ohm is quite key too. Especially for driving IEMs and low impedance headphones.

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post #397 of 405
5/10/13 at 1:23am

Just found this on their website.

 

New headphone amp that can do DSD. VentureCraft "SounDroid Typhoon"

 

This is insane.

 

 

 

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post #398 of 405
5/10/13 at 1:39am
Thread Starter 
DSD would have to be PC Audio I guess (i.e. DoP). Sadly this time I wasn't privy to their new product prior to announcement.
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post #399 of 405
5/10/13 at 1:43am
Quote:
Originally Posted by AnakChan View Post

DSD would have to be PC Audio I guess (i.e. DoP). Sadly this time I wasn't privy to their new product prior to announcement.

That should be the case. This one is like Go-Dap X on steroids. beyersmile.png

 

Based on their spec, it can play up to 32bit. That's a bit insane right?

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post #400 of 405
5/10/13 at 6:24pm
Thread Starter 

So the SounDroid Typhoon (a sudden urge to call it Thyroid for some reason!!) has a headphone output impedance of 10 ohm even though it's outputting 80mW/ch. It's larger than the Go-DAP X, and probably more the size of the DD 9V. The OpAmps are interchangeable however no room for the OPA627SM.

 

There are 3 switches on the side for :-

1) Gain level

2) upsampling sample rate

3) upsampling word length (16/24bit)

 

It still charges the iPhone if needed (or used as a USB battery pack). Take line in and optical in.

 

The DAC is a new Taiwanese maker whose name I couldn't catch but it's DSD capable. Hopefully I'll get a sample to test.

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post #401 of 405
5/10/13 at 7:36pm
I tried it just now.
Color me impressed.
AD8066 and OPA627AU -clear, punch and clarity.
Found myself nodding my head which is a good sign.
Also tried Muse8920, Muse01.

The op amps arent fixed so you can switch them about.

Also they have a slip case similar to the Verza which flips open(does the verza flip open?).
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post #402 of 405
5/10/13 at 7:40pm
Thread Starter 
Quote:
Originally Posted by ExpatinJapan View Post

I tried it just now.
Color me impressed.
AD8066 and OPA627AU -clear, punch and clarity.
Found myself nodding my head which is a good sign.
Also tried Muse8920, Muse01.

The op amps arent fixed so you can switch them about.

Also they have a slip case similar to the Verza which flips open(does the verza flip open?).

 

That's correct. The OpAmps are sitting on sockets, not soldered onto the PCB.

 

I saw the case they had. Very nice. It's kinda even slightly more streamlined than the Verza. My only concern are the magnets that hold the swivel closed. I wonder if a strong shake would cause the door to open and your iPhone 5 to fall out.

 

Edit: That case fits the X, the new Thyroid, as well as the DD if I'm not mistaken.


Edited by AnakChan - 5/10/13 at 7:41pm
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post #403 of 405
5/11/13 at 5:54am

Today I spend about an hour talking with Hamada san from VentureCraft. Here are more information about Typhoon.

 

There are two DAC chip. One for iDevice another for PC USB. iDevice DAC is TI PCM5102. USB DAC is from China/Taiwan SA9027 that can do DSD to PCM. For iDevice, they have an option to change sampling rate and bit depth for playback start from 48kHz/96kHz/192kHz and 16/24/32bit. 32bit is not implemented on this prototype but will included in the future. There will be only one version with OP275 OpAmp. You can switch to whatever OpAmp that you like. (I'm email to Hamada san asking about the limitation of OpAmp that can be place on Typhoon right now.) Typhoon use only one OpAmp. (Go-Dap X, DD Socket 1, and LE use two OpAmp. One per channel.)

 

Estimate available from mid to late June.

 

Price: 50,000 yen

 

Here are some picture.

 

 

 

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post #404 of 405
5/11/13 at 10:42pm
Quote:
Originally Posted by mtthefirst View Post

Today I spend about an hour talking with Hamada san from VentureCraft. Here are more information about Typhoon.

There are two DAC chip. One for iDevice another for PC USB. iDevice DAC is TI PCM5102. USB DAC is from China/Taiwan SA9027 that can do DSD to PCM. For iDevice, they have an option to change sampling rate and bit depth for playback start from 48kHz/96kHz/192kHz and 16/24/32bit. 32bit is not implemented on this prototype but will included in the future. There will be only one version with OP275 OpAmp. You can switch to whatever OpAmp that you like. (I'm email to Hamada san asking about the limitation of OpAmp that can be place on Typhoon right now.) Typhoon use only one OpAmp. (Go-Dap X, DD Socket 1, and LE use two OpAmp. One per channel.)

Estimate available from mid to late June.

Price: 50,000 yen

Here are some picture.


















Look great!! How was the iDevice upsampling option?
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post #405 of 405
5/11/13 at 11:16pm
Quote:
Originally Posted by joshua4534 View Post


Look great!! How was the iDevice upsampling option?

I didn't play with the sampling option this time. Just focus on different OpAmp versions. 

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