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Woo Audio WA7TP (tube power supply) Impressions Thread - Page 8

post #106 of 1110
Before you had no tubes which deal with power

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post #107 of 1110
Thread Starter 
Quote:
Originally Posted by olegausany View Post

Before you had no tubes which deal with power

 

True that.  :smile:


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Liquid Lightning headphone amplifiers... and the upcoming Liquid Spark!

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post #108 of 1110
Quote:
Originally Posted by olegausany View Post

Before you had no tubes which deal with power

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OK I had to be sure before I post, so today I did so let the units idle for a good time and came back to them to listen..

So now I am certain that with the stock "electro-harmonix" tubes, the unit does not get as hot, as with my Sylvania tubes..

The wa7 simply does not sound the same after this upgrade with either tube set.
It sounds so involving now, instead of mainly "presenting" the music clear and clean to you..
You are more sucked into music on all aspects.
Normal music becomes more alive and enjoyable.
Once you have this "openness", there is no going back to stock power supply..
smily_headphones1.gif
post #109 of 1110

WA7tp sounds great, as they said more open and better instrument and stereo separation only I have a couple problems...

 

- The finish on the silver model is a different shiney-ness and texture as to my WA7 so it doesn't really look right next to it. The WA7tp is significantly shinier more metallic with the WA7 being whiter and duller.

 

- The WA7 does not stand straight up or match the WA7tp in height.  I never onticed this until now but I think the rubber feet of my WA7 are of a different make then the WA7tp again making it not look right together.  The WA7 actually stands slightly crooked and lower then the WA7tp especially in one corner more then the others.  Not sure if I got a bad set of feet originally?

 

Sound is great though but it does take time to warm up.

post #110 of 1110
Quote:
Originally Posted by Maxx134 View Post


OK I had to be sure before I post, so today I did so let the units idle for a good time and came back to them to listen..

So now I am certain that with the stock "electro-harmonix" tubes, the unit does not get as hot, as with my Sylvania tubes..

The wa7 simply does not sound the same after this upgrade with either tube set.
It sounds so involving now, instead of mainly "presenting" the music clear and clean to you..
You are more sucked into music on all aspects.
Normal music becomes more alive and enjoyable.
Once you have this "openness", there is no going back to stock power supply..
smily_headphones1.gif

+1 - it is more lively. def cannot go back to the solid state psu...

 

Listening to One Headlight by The Wallflowers at Low-Z volume at 1pm, McIntosh D100 as DAC into my LCD-X is just incredible.  Snare snaps like a real snare to the point I could nearly see the stick slapping down on it, maybe even telling you what model drumstick and snare and the type of wood the shell is made of.  Guitar has hair on it's balls.


Edited by groovyd - 5/9/14 at 2:43pm
post #111 of 1110
Quote:
Originally Posted by groovyd View Post
 

- The finish on the silver model is a different shiney-ness and texture as to my WA7 so it doesn't really look right next to it. The WA7tp is significantly shinier more metallic with the WA7 being whiter and duller.

 

- The WA7 does not stand straight up or match the WA7tp in height.  I never onticed this until now but I think the rubber feet of my WA7 are of a different make then the WA7tp again making it not look right together.  The WA7 actually stands slightly crooked and lower then the WA7tp especially in one corner more then the others.  Not sure if I got a bad set of feet originally?

 

 

Pity. The black WA7tp I have (and am listening to right now), looks identical to my WA7; same height, same finish. I purchased the WA7 earlier this year though, so perhaps there has been a material change within the WA7's production life as well?

 

Agreed regarding everyone's early impressions, this really opened up the sound presentation in a very natural and organic way. Beautiful. I'm going to swap the tubes later tonight for kicks. 

post #112 of 1110
Quote:
Originally Posted by JoelT View Post

Quote:
Originally Posted by groovyd View Post
 

- The finish on the silver model is a different shiney-ness and texture as to my WA7 so it doesn't really look right next to it. The WA7tp is significantly shinier more metallic with the WA7 being whiter and duller.

 

- The WA7 does not stand straight up or match the WA7tp in height.  I never onticed this until now but I think the rubber feet of my WA7 are of a different make then the WA7tp again making it not look right together.  The WA7 actually stands slightly crooked and lower then the WA7tp especially in one corner more then the others.  Not sure if I got a bad set of feet originally?

 

 

Pity. The black WA7tp I have (and am listening to right now), looks identical to my WA7; same height, same finish. I purchased the WA7 earlier this year though, so perhaps there has been a material change within the WA7's production life as well?

 

Agreed regarding everyone's early impressions, this really opened up the sound presentation in a very natural and organic way. Beautiful. I'm going to swap the tubes later tonight for kicks. 

Which tubes you have?
post #113 of 1110
Have all you early-bird'ers that ordered your WA7tp received your shipment tracking emails? I know for a fact that I ordered ahead of some of you and I've still not received any word, and some of you are already listening to yours!


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post #114 of 1110
Quote:
Originally Posted by olegausany View Post


Which tubes you have?

A matched pair of Sylvania JAN 5814A/12AU7.

 

They were discussed as a comparison tube from some early meet impressions, so I felt that they would be a reasonably affordable, somewhat safe, starting point. 

post #115 of 1110
Quote:
Originally Posted by EdmontonCanuck View Post

Have all you early-bird'ers that ordered your WA7tp received your shipment tracking emails? I know for a fact that I ordered ahead of some of you and I've still not received any word, and some of you are already listening to yours!

My shipment notice was sent on Tuesday the 6th. I received the unit this morning. Sorry to hear of your troubles. I assume you've contacted Woo? :( 

post #116 of 1110
As far as the silver finish goes.
I just noticed my units look to have exact same finish on THE FRONT..
But the sides of my wa7 is flat and so does not have that sparkle that is on the front and top of it,
While the wa7tp had it on all sides..
Otherwise for me they are same color..
Edited by Maxx134 - 5/9/14 at 11:32pm
post #117 of 1110
Quote:
Originally Posted by JoelT View Post

Quote:
Originally Posted by EdmontonCanuck View Post

Have all you early-bird'ers that ordered your WA7tp received your shipment tracking emails? I know for a fact that I ordered ahead of some of you and I've still not received any word, and some of you are already listening to yours!

My shipment notice was sent on Tuesday the 6th. I received the unit this morning. Sorry to hear of your troubles. I assume you've contacted Woo? :( 



Yeah, I sent a follow up email this morning. Still haven't heard back.


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post #118 of 1110

It's reserve/on-demand power is just stunning now.  I sense absolutely no dip in the stability of the supply even listening to Mr Saxobeat at 3/4 volume which is a pretty demanding song.  Ofcourse this is using LCD-X... haven't switched to T1 which I think might prove or not the capability of this supply.  This supply definitely has more continuous punch then the solid state had.  Bass is much more textured through the punches as well, very clear even through some pretty sweaty stuff that may collapse lesser supplies.

 

I only wish it matched my WA7 and that both stood as tall.  WA7 is a good 3-4mm lower then the WA7tp and tilted even lower in one corner.


Edited by groovyd - 5/9/14 at 3:31pm
post #119 of 1110
Quote:
Originally Posted by groovyd View Post
 

It's reserve/on-demand power is just stunning now.  I sense absolutely no dip in the stability of the supply even listening to Mr Saxobeat at 3/4 volume which is a pretty demanding song.  Ofcourse this is using LCD-X... haven't switched to T1 which I think might prove or not the capability of this supply.  This supply definitely has more continuous punch then the solid state had.  Bass is much more textured through the punches as well, very clear even through some pretty sweaty stuff that may collapse lesser supplies.

 

I was listening to some of John Hopkins Immunity and had the same impression. The amp remained in complete control in even the densest of passages, many of which have very deep and textured bass. Comparatively, the SS supply can sound a bit overwhelmed and edgy. Additionally, I would add that there is absolutely no sense of harshness at the expense of greater spatial separation. In other words, nothing sounds even remotely artificial. It comes across as superbly transparent and smooth...really a wonderful presentation.  

 

BTW 3/4 volume? :eek: My eardrums would be blown back in to my skull at that level. 


Edited by JoelT - 5/9/14 at 3:46pm
post #120 of 1110
Quote:
Originally Posted by JoelT View Post

A matched pair of Sylvania JAN 5814A/12AU7.

They were discussed as a comparison tube from some early meet impressions, so I felt that they would be a reasonably affordable, somewhat safe, starting point. 
Can you verify if those Sylvania tubes make the whole unit slightly hotter?
It is not by much but it is noticeable..

Anyway I prefer the Sylvania more.
Another notch higher(!),
As hard as that is for me to come to terms with.
It is hard to describe the whole presentation without sounding like hyperbole, but it is a very effortless clear sound like another amp altogether..
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