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Woo Audio Amp Owner Unite
Feb 14, 2018 at 12:51 PM Post #40,111 of 42,298
JLoud said:
I have a WA5 le v2. This one has the selectable impedance. I have used the Elear and Utopia with it. I think both sound fantastic with the WA5. The Utopia with it is my favorite paring. On high output there is a little bit of background noise, but the Utopia or any of the other Focal's don't need the extra power.
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I'll concur with WA5-LE V2 being a match in heaven with Focal,specifically Utopias. I like the combo so much that I sold my V281 as it wasn't getting any use. The WA5 LE V2 has the Hi/low impedance adjustment along with Hi/low output and Hi/low power. This allows the amp to be tailored to most headphones. I'm not even tempted to try a WA33 yet.
 
Feb 16, 2018 at 12:05 PM Post #40,112 of 42,298
Hello guys,

I'm not sure if this is the right place to ask, but other threads seems to be kind of dead.

I was thinking about buying some high-end power tubes for my Woo WA2, could you give me some recommendations ? I think I remember that one of the most sought after was Western Electric 421A, is this still the king or is there something better or similar ?

Thanks a lot for any info :wink:
 
Feb 16, 2018 at 12:28 PM Post #40,113 of 42,298
Flisker said:
Hello guys,

I'm not sure if this is the right place to ask, but other threads seems to be kind of dead.

I was thinking about buying some high-end power tubes for my Woo WA2, could you give me some recommendations ? I think I remember that one of the most sought after was Western Electric 421A, is this still the king or is there something better or similar ?

Thanks a lot for any info :wink:
Click to expand...

I have heard the same thing about the 421A but cannot bring myself to purchase them with their hefty price tag. I have a WA22 and don't recall if the power socket is the same but I've used 3 different types of tubes.

1) 6080 - super black background with an almost zero noise floor. Mids are toward along with good bass and just ok detail up top

2) dual 6BL7 ( dual 6BL7 to 6080 adapter required ) - I cannot say enough about this setup. The stage seems to be wrapped around you head with mids and highs given just that extra touch of air to make the separation needed for a wonderful listening session. My personal favorite

NOTE: The gain seems to have doubled making the volume knob a little touchy. If youre not running super sensitive phones or IEM's you'll be ok. Ive done a bit of research on this setup and it seems to be safe. The socket is capable of up to 3 amps. The 6080 is a 2.5 amp tube and the 6BL7 is 1.5 amp. ( dual 6BL7 = 3 amps ).

3) 6AS7 - This tube seems to have the best of both worlds, but not anyone thing the best if that makes sense. It has a little more power than the 6080 and staging somewhere in the middle of the 6080 and dual 6BL7 setup. The issue with 6AS7, at least with me is that I cannot find a quiet set of tubes. I bought a set of RCA NOS and they were making a hissing and swishing noise that was unbearable. I bought a second set..... same thing so I have officially given up on the 6AS7 tube for now.
 
Feb 16, 2018 at 1:09 PM Post #40,114 of 42,298
Thank you for fast informative reply :wink:

wow, dual setup, it looks crazy, is it this ?

9147955.jpg


could you suggest some specific 6BL7 tubes and adapter brand ?

Thank you.
 
Feb 16, 2018 at 3:05 PM Post #40,116 of 42,298
Feb 17, 2018 at 4:09 AM Post #40,121 of 42,298
I'm glad to hear that. I own the Catham Electronics 2399 (at the end of their life :frowning2: ) which from what I've read should be kind of same as these Tung Sol 5998 and the sale said they are NOS and price was ok so I was thinking... well at least I get new tubes of the same tier as the ones I have now and really like.

I'm also looking for rectifiers and remember people talking about Brimar EZ80, but there are Brimars on ebay for 15$ so I'm not sure if such a cheap tube can be the superb one. ( https://www.ebay.com/itm/BRIMAR-EZ80-CV-1535-NOS-FOREIGN-BVA/332475762328?ssPageName=STRK:MEBIDX:IT&_trksid=p2055119.m1438.l2649 )

Do you guys have any favorite rectifiers ? Do they even matter ?
 
Feb 17, 2018 at 6:59 AM Post #40,122 of 42,298
Flisker said:
Hello guys,

I'm not sure if this is the right place to ask, but other threads seems to be kind of dead.

I was thinking about buying some high-end power tubes for my Woo WA2, could you give me some recommendations ? I think I remember that one of the most sought after was Western Electric 421A, is this still the king or is there something better or similar ?

Thanks a lot for any info :wink:
Click to expand...
421a for WA2? No.

Try to buy a clear-top 5998, very close to a 421A in many amps.
 
Feb 17, 2018 at 7:04 AM Post #40,124 of 42,298
Flisker said:
I'm glad to hear that. I own the Catham Electronics 2399 (at the end of their life :frowning2: ) which from what I've read should be kind of same as these Tung Sol 5998 and the sale said they are NOS and price was ok so I was thinking... well at least I get new tubes of the same tier as the ones I have now and really like.

I'm also looking for rectifiers and remember people talking about Brimar EZ80, but there are Brimars on ebay for 15$ so I'm not sure if such a cheap tube can be the superb one. ( https://www.ebay.com/itm/BRIMAR-EZ80-CV-1535-NOS-FOREIGN-BVA/332475762328?ssPageName=STRK:MEBIDX:IT&_trksid=p2055119.m1438.l2649 )

Do you guys have any favorite rectifiers ? Do they even matter ?
Click to expand...
2399 = 5998
 
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