Woo Audio Amp Owner Unite
Sep 2, 2012 at 11:06 AM Post #22,894 of 42,298
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Hello guys!
 
Could please tell me what upgrades can be done to WA22 (except tubes)?

 
I would like to know this as well. Any idea how I can upgrade the internal wiring or caps used?
 
Sep 2, 2012 at 5:48 PM Post #22,895 of 42,298
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I have a question about orthos with WA22 using 7236 power tubes. My main question is, where is the dividing line between what WA22 can power with authority and bring out the headphones full potential?

I have had the HifiMan HE5LE for a couple of weeks. I have found that it clearly sounds under powered overall. While I can tell that it is a strong technical headphone--great imaging, good detail retrieval, balanced FR, etc.-- it comes across as pretty lifeless overall, especially with classical. From what I have read, this is a clear sign they aren't getting the power they need o reach their full potential. Every once in awhile I'll run across a small intimate jazz recording that must require less juice and I get a glimpse of how engaging and immersive they can feel.

So where is the dividing line my friends? I see that HE500 are a couple of db more sensitive. I also hear that LCD2 are more sensitive than HE5LE. Would these more sensitive orthos reach their full potential or close to it with WA22 7236 tubes? I'm sure they would sound "really good" but with orthos there seems to be a wide gulf between being good and reaching their full potential. I get the feeling only HE400 would truly be fully powered.

Hopefully some of you have the depth of experience in this area to help me out.

Cheers.
smily_headphones1.gif

 
 
For myself, the dividing line was between the HD800/LCD-2 which the WA22 powers very well with 7236/5998 power tubes, and the HE-5/6, which it is inadequate for. The WA22 also seems to strain with the AKG K701, and was definitely a fail with the K1000. It may be fine with the HE500 from what I have read but I have not heard that combo personally.
 
Sep 2, 2012 at 7:15 PM Post #22,896 of 42,298
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By the way MusicMan, I sure wish I could try out Beyer T1s. I get the impression they might be my favorite high-end solution to pair with my WA22 based on how they are described, and you have described them specifically. I wouldn't be ready to order a pair even on a free trial basis, but I wish someone had them locally. Seems we have everything covered locally but that.

 
Someone does...PM sent!
 
Sep 2, 2012 at 8:49 PM Post #22,897 of 42,298
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I feel stock WA22 can not drive T1 to their optimal proteincial, strained is the word in my mind when ever I listen to them, even I crank up my WA22 to 15:00 position.

With the TS5998 or any 7236, I couldn't get the dial past 12 o'clock without way too much volume on my WA22. It was a fantastic amp for my T1s. Which power tubes were you running?
 
Sep 2, 2012 at 10:23 PM Post #22,898 of 42,298
Not to get too off topic, but MH do you mind sharing a brief impression of how big the gap is between the W4S DAC2 and the DAC in the 650c? I've been curious as to how good the built-in DAC is or isn't in a nice mid-range cd player such as the 650c or comparable price NAD/Marantz etc.
 
Sep 2, 2012 at 10:25 PM Post #22,899 of 42,298
Thanks Silent One! I have met the local member that now has T1s. We attended one of the largest meets we have had down here together about 2.5 years ago. Although, I don't recall the T1s being present at the time. Good news, I hope!
 
Quote:
 
Someone does...PM sent!

 
Sep 2, 2012 at 10:28 PM Post #22,900 of 42,298
Not to get too off topic, but MH do you mind sharing a brief impression of how big the gap is between the W4S DAC2 and the DAC in the 650c? I've been curious as to how good the built-in DAC is or isn't in a nice mid-range cd player such as the 650c or comparable price NAD/Marantz etc.


Big enough for me to use the 650C exclusively as a transport. It uses the same CD mechanism as the 850C, so as a transport, it fits the bill.
 
Sep 2, 2012 at 10:29 PM Post #22,901 of 42,298
Good to know. Thanks MH.
Quote:
Big enough for me to use the 650C exclusively as a transport. It uses the same CD mechanism as the 850C, so as a transport, it fits the bill.

 
Sep 3, 2012 at 12:18 AM Post #22,902 of 42,298
Quote:
Hello guys!
 
Could please tell me what upgrades can be done to WA22 (except tubes)?

 
My WA22 is wired up with Mundorf 1.0mm silver/gold wire, and Furutech rhodium IEC inlet and fuse have been installed as well. I provided the parts to Jack and he installed them when building my WA22.
 
Sep 3, 2012 at 1:08 AM Post #22,903 of 42,298
Quote:
Thanks Silent One! I have met the local member that now has T1s. We attended one of the largest meets we have had down here together about 2.5 years ago. Although, I don't recall the T1s being present at the time. Good news, I hope!
 
Quote:
 
Someone does...PM sent!

 
Gotta look out for my fellow Woozies!
beerchug.gif

 
Sep 3, 2012 at 1:30 AM Post #22,904 of 42,298
I was just reading about the WA22 not having the power to drive the K-702s and T-1s..
I'm listening to my K-702s as I type this and at first I was think the HI Setting sounded better than that LO and had me puzzled..
After some switching back and forth I then turned the output volume up on my PWD II DAC made them really sparkle with a higher input volume..
At the lower input volume I seems dead and lifeless even with the WA22's volume jacked up..
Increasing the input volume is a different story, seemed to have more life..
 

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