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Review: Woo Audio WA6 vs. WA6SE (stock units) - Page 8

post #106 of 506
11/12/08 at 2:00pm
I know, the WA6 is dead silent anyway. Perhaps Jack uses equipment to test the noise and had found a way to reduce whatever reading, audible or otherwise, that he was getting.

You should really try the Mullard GZ30 brown base too. I got mine from eBay for 20 USD.
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post #107 of 506
11/12/08 at 2:05pm
I found a few. Are these the ones you're talking about?
Item# 5794361295

* GZ30 (CV2748) MULLARD RECTIFIER VALVE
* Printed CV2748 KB/DA
* No Mullard logo
* Military boxed
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post #108 of 506
11/12/08 at 2:21pm
That's the one.

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post #109 of 506
11/12/08 at 4:40pm
Quote:
Originally Posted by atbglenn View Post
I can't imagine the Woo being any quieter than it already is. Unless of course you have super human hearing Oh BTW, I just won a pair of NOS Sylvania 5U4GB made in 1955 for $12. Hopefully they'll sound good.
I have one of those - listened to it a long time ago. It was not bad, although I think my RCA 5U4G was a little better.
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post #110 of 506
11/12/08 at 5:11pm
those of you with the SE... try the rca 5v4g... it may surprise you.
it's on par with the gz30.
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post #111 of 506
11/12/08 at 5:17pm
Thread Starter 
That's a "v" as in (rca) victor, not 5u4g?
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post #112 of 506
11/12/08 at 5:25pm
Quote:
Originally Posted by takezo View Post
those of you with the SE... try the rca 5v4g... it may surprise you.
it's on par with the gz30.
I've been using the RCA 5V4 (as pictured in my avatar) for the last couple of months. I think they're great.
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post #113 of 506
11/12/08 at 10:26pm
this is the RCA 5V4G military version:




the 5u4g are okay but has flabby bass and not such great control and focus as
the 5V4G... and on top of that, 5V4G has a bloomy/tubey mid that's gorgeous... and
it can be had NOS for $15 to $30 each... the latter 5V4GA is not as transparent
and controlled at the highs and bottom.
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post #114 of 506
11/12/08 at 11:39pm
Quote:
Originally Posted by takezo View Post
this is the RCA 5V4G military version:
I have the RCA NON military version. Still good in your opinion?
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post #115 of 506
11/12/08 at 11:48pm
military and non-military 5v4g are the same tubes... the former is
screened for reliability factor, i believe. the pic shows the earlier
40-60's version with the larger plates in parallel position... the
later one has narrow plates lined up end to end. both sound very
fine.
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post #116 of 506
11/12/08 at 11:55pm
This is the RCA 5V4 I have

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post #117 of 506
11/12/08 at 11:59pm
I have one of those. I wasn't crazy about the sound, a little bright but I haven't tried it since I redid the power supply so. . . . have just fired it up.
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post #118 of 506
11/13/08 at 12:11am
John, it is brighter than my other rectifiers, but I like it. Works well with my HD650's
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post #119 of 506
11/13/08 at 12:17am
Quote:
Originally Posted by atbglenn View Post
John, it is brighter than my other rectifiers, but I like it. Works well with my HD650's
Well the 650's can use a bit of a lift so I agree with you that it might be right for them.
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post #120 of 506
11/13/08 at 12:21am
Maybe the 5V4's are the reason I cant listen to my Sony V6's. Way too bright.
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