Apr 7, 2015 at 6:10 AM Post #11,341 of 40,227
Quote:Ultrainferno
  Oh my, they made me MOT on the boards. That severely limits my posting power
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Not that you guys didn't know who I was
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Who dat dude?  
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Apr 7, 2015 at 7:22 AM Post #11,346 of 40,227
  I guess that's because Headfonia also sells stuff as compared to other review sites which only review.

 
I can guarantee you I don't sell anything. Headfonia store is from Mike and he left Headfonia for that reason. (staying objective)
As a MOT I can't comment on any products, guess that makes Headfi superfluous for me.
 
Ah well, I guess Headfi admins don't treat everyone the same.Let's hope they come to their senses ;)
 
Apr 7, 2015 at 8:17 AM Post #11,347 of 40,227
   
Oh but I don't see it like that Stavros. Other reviewers get a "reviewer" tag, I am a "MOT", that severely limits my posting liberty


That means I can say all I want and you can't reply to me????????
 
How wonderful and fair!!!!!!!!!!!
 
Clayton get ready.........
 
Apr 7, 2015 at 9:17 AM Post #11,348 of 40,227
 
That means I can say all I want and you can't reply to me????????
 
How wonderful and fair!!!!!!!!!!!
 
Clayton get ready.........


Do note I have your personal email addresses, I can say whatever I want that way. Can you see me replying by email to every post you do on the boards? ;-)
But it's pretty sad really as I won't be able to comment on how product X or Y sounds. So basically I can't use Headfi for what Headfi is supposed to be for: talk about gear and compare items.
 
Apr 7, 2015 at 12:15 PM Post #11,350 of 40,227
  dont forget the other OTL tube.  The 6C33C.  Dont know if it will fit for high impedance phones like your HD800 and T1 only Glenn can answer that.

 
The 6C33C has a strong cult following.  The downside to them is they are large and very power hungry and necessitate a large and hot running amp.  I chatted with Glenn about such a design once.  For rectification he told me it would either have to be solid state or use 4 (four!) 3DG4 tubes.  The 3DG4 has almost twice the current ability of a 5U4G, which itself is one of the higher power rectifiers.  It all felt like massive overkill the more I thought about it.
 
It didn't occur to us at the time, but one could probably also do with using 2 5U8C rectifiers.  Either way its a lot of space, weight and heat just to power headphones.
 
Apr 7, 2015 at 5:16 PM Post #11,351 of 40,227
Is the Tung Sol 6F8G worth it's price of $100 for use with Glenn's OTL
 
Would love to hear some opinions...Does it hold up to the really good 6SN7's
 
Apr 7, 2015 at 5:38 PM Post #11,352 of 40,227
   
The 6C33C has a strong cult following.  The downside to them is they are large and very power hungry and necessitate a large and hot running amp.  I chatted with Glenn about such a design once.  For rectification he told me it would either have to be solid state or use 4 (four!) 3DG4 tubes.  The 3DG4 has almost twice the current ability of a 5U4G, which itself is one of the higher power rectifiers.  It all felt like massive overkill the more I thought about it.
 
It didn't occur to us at the time, but one could probably also do with using 2 5U8C rectifiers.  Either way its a lot of space, weight and heat just to power headphones.

Damn, 4 3d4g? That's crazy.  Still it's a very good sounding tube.   No wonder top brands like Tenor Audio and BAT use them.   I think I saw in eBay a otl amp with very small dimentions with 6c33c.   One with a pair and a quad.   Forgot what's the name.   
 
Apr 7, 2015 at 5:41 PM Post #11,353 of 40,227
  Is the Tung Sol 6F8G worth it's price of $100 for use with Glenn's OTL
 
Would love to hear some opinions...Does it hold up to the really good 6SN7's

It's a little too much for me.   But for anyone that haven't heard them it may be worth it.   One of the top if not the top 6f8g.   I like them better than their 6sn7 counterpart.   Specially the round mica.   
 
Apr 7, 2015 at 7:27 PM Post #11,355 of 40,227
  Is the Tung Sol 6F8G worth it's price of $100 for use with Glenn's OTL
 
Would love to hear some opinions...Does it hold up to the really good 6SN7's


The 6F8G and 6SN7 are electrically identical tubes.  Differences in how they deal with vibration and microphonics due to the glass shape and mica supports may make the 6F8G a tiny bit more resolving, but I personally give the squinty eye to posts people write about them sounding head and shoulders above their 6SN7 counterparts.  I really can't see how that could be.  What makes the 6F8G desirable is that it's a less expensive way to get into the legendary Tung Sol black glass round plate if that is your goal.  So is getting a 12SN7 and using a voltage doubling adapter.
 
FWIW I think the best I ever heard my OTL sound was when I was borrowing a Philips ECC33 for evaluation.  A very close second would be the Marconi Osram B65 greyglass, and the Tung Sol BGRP third.  I'm not as big a fan of the ECC32 as most people are, maybe my particular tube is troubled but the presentation always feels forced and grainy to me.
 

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