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XMOS XU208 USB BRIDGES - THE LATEST GEN HAS ARRIVED!

Apr 7, 2016 at 10:59 PM Post #168 of 3,865
I just pulled the trigger for F-1 from this ebay seller wsz0304. It is more expensive than taobao but I have not used taobao before, so I have no confidence to buy from them.
 
But funny in taobao it says it has 87 F-1 in the stock, so I don't see why your guys need to wait for 2-3 weeks.
 
Apr 7, 2016 at 11:07 PM Post #169 of 3,865
lateboomer said:
  I just pulled the trigger for F-1 from this ebay seller wsz0304. It is more expensive than taobao but I have not used taobao before, so I have no confidence to buy from them.
 
But funny in taobao it says it has 87 F-1 in the stock, so I don't see why your guys need to wait for 2-3 weeks.
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The Ebay seller is Shenzen Audio - they were the guys I bought the 1st Melodious MX-U8 from.
 
They must have bought a dozen boards then listed them.  But the ad now says sold out.  And I bought one of the 10 available this morning.  Then I got the above message that they won't be available until next week -but he will ship 2 day DHL for free.
 
Good guy!
 
Just did a check over on CA and no threads yet on the Singxer F-1, X-1, XU208 or XMOS 200.  If anyone spots one let me know  - I cringe -  but do find the flame throwers there fun to read.
 
Ps BTW - this thread is only 10 days old and already has over 5,000 views and is 12 pages with 168 posts.
beyersmile.png
 
 
Apr 7, 2016 at 11:12 PM Post #170 of 3,865
rb2013 said:
 
The Ebay seller is Shenzen Audio - they were the guys I bought the 1st Melodious MX-U8 from.
 
They must have bought a dozen boards then listed them.  But the ad now says sold out.  And I bought one of the 10 available this morning.  Then I got the above message that they won't be available until next week -but he will ship 2 day DHL for free.
 
Good guy!
 
Just did a check over on CA and no threads yet on the Singxer F-1, X-1, XU208 or XMOS 200.  If anyone spots one let me know  - I cringe -  but do find the flame throwers there fun to read.
 
Ps BTW - this thread is only 10 days old and already has over 5,000 views and is 12 pages with 168 posts.
beyersmile.png
 
Click to expand...

 
I got the same message - I bought mine last night when he was showing 9 left.
 
Apr 7, 2016 at 11:19 PM Post #172 of 3,865
lateboomer said:
  Cool. I will try to order f1 by tomorrow. Is there a faster route? The ebay link? I have got few audio jewelry to help out f1 to achieve its best, there are 2 regens, one green and one amber, 2 jitterbugs, 1 Wyred4Sound Remedy, cabledyne silver usb cable and furutech usb cable. Also I have enough LPS to boot. :)
 
To achieve vblocker function and connecting data line only to Regen, I can put small paper strip to cut out ground and vbus lines at usb connectors? Green and amber Regen, which one is supposed better? I read some measurement objectivists saying amber has design flaw at grounding which gives illusion of better base but I am not fully understand.
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Yes tape will work.
 
Looks like you have the whole gizmo parade!  Your in for a great time.
 
The Green was the first run of Regens - the Amber is supposed to be better.
 
One reason the Regen (and the Recovery) works so well feeding the F-1 and X-1:
The REGEN has two expensive, ultra-low noise adjustable voltage regulators (the wonderful TI TPS7A4700), one for 3.3V for the USB hub chip, and one for 5V for forwarding clean VBUS to the DAC for those that require it.
Linear regulators require that the input voltage be a little higher than the voltage you want them to regulate to.  But the difference between whatever voltage level you feed then and the output voltage they are set for must be dissipated as heat.  The REGEN is in a small enclosure and there is not a heat-sink on the regulators—therefore we must consider that. So although the regulator chips we use can take up to 20V, the drops down to 5V or 3.3V are quite large.  For the 3.3V to run the hub chip and low jitter clock, it really is not a problem no matter the voltage since that part of the REGEN draws almost no current.
 
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Apr 7, 2016 at 11:20 PM Post #173 of 3,865
If you say wsz0304 is a good guy, then it is a relief from me, as this is first time I buy from him. Touch wood and so far I haven't encountered any issues for items that I bought from ebay or amazon. 
 
Apr 7, 2016 at 11:48 PM Post #176 of 3,865
likely a very stupid question, but can I use the f-1 xmos if my dac only accept mini-Toslink?
 
Apr 8, 2016 at 12:41 AM Post #178 of 3,865
mhamel said:
   
It does - XMOS-based USB input, 2x AES/SPDIF (auto-sensing), and Optical. It wil also route one of the AES inputs back to the PC as digital in.
 
Price-wise it's competitive with the Yggy - factory set "street price" is $2499.
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From the reviews, seems like an imaging/tonality monster.... please post your impressions after you have some time with it.. Thanks...
 
Apr 8, 2016 at 6:10 AM Post #179 of 3,865
rb2013 said:
 
lateboomer said:
  I just pulled the trigger for F-1 from this ebay seller wsz0304. It is more expensive than taobao but I have not used taobao before, so I have no confidence to buy from them.
 
But funny in taobao it says it has 87 F-1 in the stock, so I don't see why your guys need to wait for 2-3 weeks.
Click to expand...


The Ebay seller is Shenzen Audio - they were the guys I bought the 1st Melodious MX-U8 from.
 
They must have bought a dozen boards then listed them.  But the ad now says sold out.  And I bought one of the 10 available this morning.  Then I got the above message that they won't be available until next week -but he will ship 2 day DHL for free.
 
Good guy!
 
Just did a check over on CA and no threads yet on the Singxer F-1, X-1, XU208 or XMOS 200.  If anyone spots one let me know  - I cringe -  but do find the flame throwers there fun to read.
 
Ps BTW - this thread is only 10 days old and already has over 5,000 views and is 12 pages with 168 posts.
beyersmile.png
 
Click to expand...

 
Back in 2007 I started to buy from WSZ0304 which is hosted by Wang shuzeng. He's a very trustful seller and communicates in a proper, timely, manner.
Bought 15 dac's and about 20 pcb's from him and some other stuff (230V Mains connectors) which he went shopping for me in China hahaha
 
Apr 8, 2016 at 7:29 AM Post #180 of 3,865
I've order an F-1 and got the following message 
 
"sorry to tell you that,the factory told me that this unit is hot these days,
so they are producing now,it will be available on 15th this week,it means that i will send this unit to you next week"
 
 
I want to make a hdmi cable to take i2s from the F-1 to a Gustard X12, do you think that will be possible ?
 
Looked at the I2s connection diagrams for the F-1 and the X12 and was a bit confused as they didn't seem to match up.
 
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