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Woo Audio WA6 + WA6SE: Tubes, Comments, Pictures, and Advice - Page 107

post #1591 of 1617
They have arrived. 1955 Raytheon NIB NOS 6SN7GT power/driver tubes. I'm letting them warm up in the WA6 before auditioning them. Outside of grilled pork chops today this is as exciting as my life gets.
post #1592 of 1617
Quote:
Originally Posted by bpcans View Post

They have arrived. 1955 Raytheon NIB NOS 6SN7GT power/driver tubes. I'm letting them warm up in the WA6 before auditioning them. Outside of grilled pork chops today this is as exciting as my life gets.

 

Grilled pork chops and new tubes would work for me.

post #1593 of 1617
Quote:
Originally Posted by shultzee View Post

Grilled pork chops and new tubes would work for me.
Thanks for the validation schultzee. This is an offbeat hobby that most people couldn't understand, let alone gf's, families and friends. Then again my gf wants to go see Kid Rock Saturday night. Life is hard!
post #1594 of 1617

My first foray into 6SN7 tubes was with the stock Woo Raytheon 6SN7 GTB.  Not too overly impressed an no matter how much I wanted to like them, I went back to the (looks like) Tungsol  6DR7 (in a Westinghouse box?).  No matter, it was the stock tube I got with the WA6.

 

Just got a pair of NOS Sylvania JAN 6SN7 WGTA (packed 2-77) and WOW! even after just 3 songs, rich, full midrange, good bass (but a little sloppy right now) and full immersive (not thin at all but not thick).  Going to let them break in for a week or two but I'm really impressed right out of the box.

This is what I got the WA6 for!  BTW, rectifier is the SP 274B Mesh.

 

 

Edit: ooops.. BPCANS.. hope your Raytheon work out much better than mine (don't have a date on them)


Edited by MickeyVee - 8/21/14 at 5:06pm
post #1595 of 1617
Quote:
Originally Posted by MickeyVee View Post
 

My first foray into 6SN7 tubes was with the stock Woo Raytheon 6SN7 GTB.  Not too overly impressed an no matter how much I wanted to like them, I went back to the (looks like) Tungsol  6DR7 (in a Westinghouse box?).  No matter, it was the stock tube I got with the WA6.

 

Just got a pair of NOS Sylvania JAN 6SN7 WGTA (packed 2-77) and WOW! even after just 3 songs, rich, full midrange, good bass (but a little sloppy right now) and full immersive (not thin at all but not thick).  Going to let them break in for a week or two but I'm really impressed right out of the box.

This is what I got the WA6 for!  BTW, rectifier is the SP 274B Mesh.

 

 

Edit: ooops.. BPCANS.. hope your Raytheon woe out much better than mine (don't have a date on them)

So far I like the NOS Sylvania's myself!

post #1596 of 1617
Quote:
Originally Posted by MickeyVee View Post
 

 

Just got a pair of NOS Sylvania JAN 6SN7 WGTA (packed 2-77) and WOW! even after just 3 songs, rich, full midrange, good bass (but a little sloppy right now) and full immersive (not thin at all but not thick).  Going to let them break in for a week or two but I'm really impressed right out of the box.

This is what I got the WA6 for!  BTW, rectifier is the SP 274B Mesh.

 

My experience was very similar. Tried a bunch of NOS tubes (from Woo and elsewhere) only the Sylvania 6SN7s are really doing a good job. I tried some Raytheon 6SN7s - sound was good but very microphonic. That might change after more burn in, but right now the tubes are borderline unusable.

 

post #1597 of 1617
Anyone else have have good reqs for pairing with beyer t1? Saw a handful of reqs for gz32 or gz37 earlier on.

Right now I've got the princess and some GE 6ew7. Trying to find some of the raytheon black top 6ew7s mentioned earlier. Other than that I can't really complain about the sound atm but I'm always willing to try new things
post #1598 of 1617
Quote:
Originally Posted by TonyNewman View Post
 
Quote:
Originally Posted by MickeyVee View Post
 

 

Just got a pair of NOS Sylvania JAN 6SN7 WGTA (packed 2-77) and WOW! even after just 3 songs, rich, full midrange, good bass (but a little sloppy right now) and full immersive (not thin at all but not thick).  Going to let them break in for a week or two but I'm really impressed right out of the box.

This is what I got the WA6 for!  BTW, rectifier is the SP 274B Mesh.

 

My experience was very similar. Tried a bunch of NOS tubes (from Woo and elsewhere) only the Sylvania 6SN7s are really doing a good job. I tried some Raytheon 6SN7s - sound was good but very microphonic. That might change after more burn in, but right now the tubes are borderline unusable.

 

For microphonic tubes, these might help:  http://herbiesaudiolab.net/tube.htm

post #1599 of 1617

So regarding all of the types of driver tubes that are compatible with the WA6-SE, with or without adapters:

 

6DE7, 6CY7, 6EW7, 6EM7, 6DR7, 6DN7, 6GL7, 6FD7

 

I take it that none of these are made anymore? That is, the only option is NOS? I'm not complaining, they are plentiful and cheap (and I

have a bunch on the way to roll), but what happens on that day in the future when all of the old stock is gone? Will some company like

Sophia pick up the torch and make new ones?

post #1600 of 1617

i was referring to this woo audio tube compatibility chart to buy tubes https://spreadsheets.google.com/pub?key=0Ama6VqAKDF7adFlpSFh2ZDVMdnBfS2VpSUxfcEVpTnc&hl=en&output=html

 

but realized that there are, for example, GZ32 tubes with either 4 pin (2,4,6,8) or 5 pin (1,3,5,7,8) bases, is it the same in terms of compatibility?

 

i've one of these, 4pin (2,4,6,8), is it compatible with my wa6-se?

http://www.ebay.com/itm/SEL-Lorenz-GZ32-5V4G-CV593-German-NOS-high-quality-rectifier-MILspec-tubes-/201072593867?pt=Vintage_Electronics_R2&hash=item2ed0dc4bcb

post #1601 of 1617

this thread dead or something... :tongue_smile:?

 

BTW!

 

LCD3 Fazor with WA6-SE impressions, anyone?


Edited by roskodan - Yesterday at 6:25 am
post #1602 of 1617

Don't know about LCD-3 but LCD-X with WA6SE is super duper :beerchug:

post #1603 of 1617

@shultzee in comparison with what other amps? i had it with the burson conductor and it was super as well, tho there was some bg noise on high gain, wonder what's the signature of the lcd-x on the wa6-se since it exhibits a pretty high output impedance (15 Ohm for the low gain output) in regard to the 22 Ohm resistance of the lcd-x

 

my point is the new lcd3 and lcd2 drivers have higher resistance

 

since the old lcd2 were regarded as a good match with the wa6-se, the new fazor should be even better

 

the lcd3 seems didn't really get a recommendation with the wa6-se, so i wonder if the new lcd3 fazor changed something in that regard?

post #1604 of 1617

Damping factor doesn't matter as much or at all with planars, since planars have equal impedance throughout the frequency spectrum. My XCs sound superb with my 6SEs.

post #1605 of 1617

i read currents induced in the coil, or traces in planars, while oscillating in the magnetic field, can loosen the bass when the DF is low, don't know how this interacts with impedance shifts in dynamic hp

 

i'm still curious to hear about the lcd3 fazor and wa6-se match, if there's anyone who can share impressions

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