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Problem is skylab, that most jan sylvania wgta's i see for sale have this designation, the 5y3, so this is not a real substitute for a 6sn7 tube!
Well, it's certainly true that the 5Y3 is not anything even remotely close to the 6SN7! Totally and completely different tube. But there are LOTS of tubes that might have the "WGT" or WGTA" appendix. I own 6SL7WGT's, 6SJ7WGT's, etc., etc. So do not confuse "WGT" or "WGTA" as having anything to do with the 6SN7 specifically.
And again, I own several 6SN7WGTA's - both from Sylvania and Tung-Sol - so it's not just Phillips that made them.
Well, it's certainly true that the 5Y3 is not anything even remotely close to the 6SN7! Totally and completely different tube. But there are LOTS of tubes that might have the "WGT" or WGTA" appendix. I own 6SL7WGT's, 6SJ7WGT's, etc., etc. So do not confuse "WGT" or "WGTA" as having anything to do with the 6SN7 specifically.
And again, I own several 6SN7WGTA's - both from Sylvania and Tung-Sol - so it's not just Phillips that made them.
I know, but it is this specific jan philips batch that is so highly regarded! it is as highly regarded as the 1578, the sylvania w's etc. Just as rare.
But the designation IS important! Only then you can pick the right batch of tubes that sound good. I have also sylvania wgt's but they don't even come close to the jan philips wgta's concerning sound quality.
The wgta is a newer, improved version of the wgt, wich was made for broadcasting purposes. It might even be that philips had their own specs for this batch and therefor sound better?!
Not every wgta is the same, every brand has it's own signature.
As Stuart said, even the russian 1578 has 3 variations wich all sound slightly different.
And i saw in a list of highly regarded tubes specifically the jan philips wgta named as one of the best sounding tubes.
"6SN7WGTA JAN Philips or any other high quality 6SN7GT. I've tried RCA, Tung-Sol, Raytheon, various Sylvania '40s-'80s, GE and even the latest China production and all of 'em work fine. The JAN Philips 6SN7WGTA is my favorite because of it's high reliability and very low noise."
Just like the russian 1578, they are very quit.
Last edited by tourmaline; 07-21-2008 at 03:28 PM..
The EH 6SN7 is constructed NOTHING like the 1578. If there is any similarity in would just be a happy coincidence. And IMHO the EH 6SN7 is about the worst sounding 6SN7 I have ever heard, though I have never listened to any Chinese ones.
LOL. Though I can totally see how a lot of people may feel that way about EH 6SN7 due to its complete lack of bloom or richness, I find it to make a nice clear driver tube for something like a 300B *if* the input tube before it has some nice harmonics, such as National Union Grey Glass 6SN7 or KenRad VT231.
LOL. Though I can totally see how a lot of people may feel that way about EH 6SN7 due to its complete lack of bloom or richness, I find it to make a nice clear driver tube for something like a 300B *if* the input tube before it has some nice harmonics, such as National Union Grey Glass 6SN7 or KenRad VT231.
Some people use/used the EH gold as driver tube. It suppose to sound good if you mix it right with other tubes.
LOL. Though I can totally see how a lot of people may feel that way about EH 6SN7 due to its complete lack of bloom or richness, I find it to make a nice clear driver tube for something like a 300B *if* the input tube before it has some nice harmonics, such as National Union Grey Glass 6SN7 or KenRad VT231.
I have ordered some 6F8G's with adapters to try in my MPX3. Looking forward to checking these out. They are basically identical to the 6SN7GT electrically, but they do have a different pin configuration, and you need to account for the anode cap in the adapter. I ordered some adapters and a couple sets of tubes - looking forward to trying them.
That one IS a 1578. Interesting tube. Some people think it's the best sounding 6SN7 there is - others (including me) were less than impressed. Personally - I wouldn't spend the jack for one. RCA, Ken-Rad, or Sylvania VT-231's all beat the pants off the 1578 IMHO.
What is the difference between these two tubes? Is there something different internally? Just becasue they are a $1 tube does it mean it can't be good? Just curious as most of the NOS tubes were just that way back when.
Yes, they are different. The plate structure is completely different. Take a look.
OK. Got it!!! Now I just need to find the real ones....without spending $100 per tube. I've tried the RCA's, sylvaina and now have the Pope Hollands which I think are the best. Can you recommend anything that isn't crazy expensive like the TS round plates?
Linear Mode
