Woo Audio Amp Owner Unite | Page 1688 | Headphone Reviews and Discussion - Head-Fi.org

DutchGFX · May 6, 2013 at 11:32 PM

dubstep girl said:
it does with the 6CY7 and some of the other higher gain tubes. i think you'll need current more than voltage btw but yeah it does increase power output.

WA6-SE

2000mW @32Ω
1900mW @60Ω
1800mW @120Ω
1300mW @300Ω
800mW @600Ω
(with 6CY7)

Is the 6CY7 more gain than the stock 6DE7/6EW7?

Also, since the 5le is 38 ohms, I assume it's not getting the 2w it needs, especially if those #'s ^^^ are for very high gain tubes.

Dubstep Girl · May 6, 2013 at 11:39 PM

yes. the 6EW7/6DE7 don't have as much gain.

the 6CY7 is a significantly more powerful tube. the 6EW7 will go to 11 o clock while the 6CY7 and other high gains (6DR7, 6FD7, 6GL7) can be just as loud at around 9. it changes depending on headphones, but the gain is noticeable.

the 6EW7 requires like 10 or 11 for the LCD-2 while the 6DR7 was loud with LCD-2 at like 8 or something. so its pretty significant.

Clayton SF · May 6, 2013 at 11:55 PM

My favorite tube for my WA6 is the GE 6CY7.
It is also a very bright and beautifully glowy tube.

Silent One · May 7, 2013 at 1:38 AM

Quote:

teknikk7 said:
Quote:

silent one said:

Did you inquire if Jack Wu (WooAudio) had any USAF-596 rectifiers remaining?

Click to expand...

Jack just got back to me today. $200 with adapter for the 596 if anyone is interested. Lucky I picked mine up for half that price a couple days ago...

Quantity remaining?

reeltime · May 7, 2013 at 2:37 AM

Quote:

magiccabbage said:
i was wondering of anyone could answer this question?

if the wa5 is an upgrade from wa22 why does it not have a balanced option?
does balanced = better audio or just different?

i see that woo audio only have one balanced option other than the Uber expensive wa234.

The WA5 and WA5LE are single ended amps. They cannot be balanced. The reason the amp is more desirable is because of the 300B.

teknikk7 · May 7, 2013 at 3:26 AM

Quote:

silent one said:
Quantity remaining?

I didn't ask.

Ultrainferno · May 7, 2013 at 3:37 AM

Quote:

teknikk7 said:
Jack just got back to me today. $200 with adapter for the 596 if anyone is interested. Lucky I picked mine up for half that price a couple days ago...

Quote:

teknikk7 said:
I didn't ask.

Could you please and let us know where you got it from? By PM if necessary (SO or myself). thanks

GloryUprising · May 7, 2013 at 3:45 AM

Quote:

ultrainferno said:
Could you please and let us know where you got it from? By PM if necessary (SO or myself). thanks

+1 for me too! =x

LiuTim · May 7, 2013 at 4:33 AM

Quote:

reeltime said:
The WA5 and WA5LE are single ended amps. They cannot be balanced. The reason the amp is more desirable is because of the 300B.

I have a question, Eddie Current Balancing Act has one 6SN7 and two 300B tubes and it is a balanced AMP, WA5 has two 6SN7 and two 300B tubes but it is a single ended AMP, why?

Dubstep Girl · May 7, 2013 at 4:48 AM

Cause the amps are built differently. Same tubes but different design

rosgr63 · May 7, 2013 at 8:19 AM

Quote:

dubstep girl said:
Cause the amps are built differently. Same tubes but different design

They use different rectifiers and the ECBA can also use PX4's.

jc9394 · May 7, 2013 at 9:06 AM

Quote:

migasson said:
Couldn't help but get sucked back into this thread!

I respect everyone's opinions, so don't take this as a disagreement. I had a WA22 balanced, with balanced cable going into LCD-2's. yes, the LCD's did sound better balanced, but by how much is the question, and of course, this is down to the listener. The WA22 with a balanced source was a bigger improvement I'd say, but coming from a vinyl addict such as myself, it reduces the phono stage options, which is frustrating when I wouldn't get the most of, say, a Rogue Audio Ares. So, to balance an LCD-2 with Moon Audio Black Dragon? There goes $300-$350.. To my ears it' was about 15% better, so you do the math whether you think it's worth it. Retrospectively, I'd probably would have got a WA6SE, put the change in my pocket, and bought a better phono stage. However, financial circumstances prevailed which made me sell the WA22, now I've got a Burson Soloist, and the void isn't that great, and it's got rid of my urge to tweak the damn system! If anyone is considering a move away, they should listen to this. It's the closest I've heard to great sounding solid state system... Transparency is high.

There are balanced phono stage out there and I did auditioned one before but decided it is not for me since my table is only a RP3 and I used it with Marantz and quite happy with it.

Cable for LCD2/3 on WA22? I prefer the Silver Dragon over few of them that I tried (Q Audio, Whiplash TWag, and Black Dragon).

jc9394 · May 7, 2013 at 9:09 AM

Quote:

dutchgfx said:
Anyone know a pair of bass light tubes, the WA6SE has kinda bloated bass IMHO... Other than that its amazing, but, the bass is kinda muddy and bloated, just slightly

This is with Sophia 274b Mesh Plate if it matters.

I tried both Sylvania and Raytheon 6DE7 or 6EW7, the stock fit, no adapters.

For tight bass, try 6FD7 with GZ34.

migasson · May 7, 2013 at 9:40 AM

@jc9394, yep, there sure are, but it significantly reduces the choices trying to find a balanced phono stage.

jc9394 · May 7, 2013 at 10:23 AM

Quote:

migasson said:
@jc9394, yep, there sure are, but it significantly reduces the choices trying to find a balanced phono stage.

and not to mention about 10X the price too, that is why I got a vintage receiver to do the job.

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