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Darkvoice 336i & 336SE Tuberolling PartII
Jan 6, 2011 at 7:29 PM Post #196 of 14,511
thx skylab..ur the best..
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Jan 7, 2011 at 7:13 PM Post #197 of 14,511
 
Greetings to all!

I just ordered my DV 336SE, and I'd like to buy some nice tubes. I am totally newcomer in this tube world yet and I got a custom offer from an ebay seller. (I have a Sennheiser HD650)

Can you advice me which tube should I buy or not from this list, maybe none of them or all of them, please?
 
So here is his offer:
 
1. Mullard 6080 - metal base, tested 114mA/114mA - 17 USD.
2. Sylvania 6SN7GTB (coin base) - NIB in Original box - 16 USD
3. GE 6SN7 WGTA (brown base) - NIB in original box - 16 USD
4. Sylvania 6SN7 WGTA (brown base) - NOS NEVER USED - 18 USD
5. MELZ 6N8S metal base (holes) - NOS never used - 40 USD
6. MELZ 6N8S metal base - NOS - 24 USD
7. 6N8S Soviet black plate - NIB original box - 2 USD
8. 6N5S listed pair - 9 USD
9. 6N13S Svetlana - NOS tube - will give you for free.
10. 6SN7GT RCA Grey glass - NOS Excellent tube - 18 USD.
Also will add two good used sylvania 6SN7GTB tubes for experiments for free.
 
Thank you in advance!
 
Jan 7, 2011 at 7:20 PM Post #198 of 14,511
Of that lot, I'd go for the Mullard 6080 and the Sylvania 6sn7WGTA.
 
Jan 7, 2011 at 11:25 PM Post #199 of 14,511
so i bought the 1955 Emerson 6SN7-GTB and the 1972 RCA 6AS7 will arrive in 3 days...hehhe and soon im going to get the GEC A1834 and some NOS 6SN7..
 
Jan 8, 2011 at 6:16 PM Post #200 of 14,511
Dear Skylab, thank you for your advice! I will get these tubes then.
 
But I'm still looking for nice and low/medium budget pairs for my future amp, need to read this topic completely.. I'd like to have a nice collection, to have a lot of combinations to try out and play with them.
 
Actually I have already some goals collecting from this topic:
Svetlana 6H13C + Sylvania JAN 6SN7WGT
Tung-Sol 6AS7G + Mullard ECC32
Sylvania 7236 + Sylvania 6SN7GTB 
RCA Grey 6SN7 + Tung Sol 5998
6AS7G OR 5998, + 6SN7GT, or -GTB, or -GTA, or -WGT.
 
Jan 11, 2011 at 11:18 PM Post #201 of 14,511
The 1955 Emerson 6SN7-GTB and the 1972 RCA 6AS7 ARRIVED...so far just 30min of burning in...is much better than the stock chinese tube..
larger soundstage,deeper and tighter and more powerful bass.warm mids and clear highs.
i also get more details from it..usually i never heard the sound from the same song but now it all comes out..
will update more and buy more tubes..GO TUBE !!
 
Jan 12, 2011 at 3:41 AM Post #202 of 14,511
Quote:
keph said:
The 1955 Emerson 6SN7-GTB and the 1972 RCA 6AS7 ARRIVED...so far just 30min of burning in...is much better than the stock chinese tube..
larger soundstage,deeper and tighter and more powerful bass.warm mids and clear highs.
i also get more details from it..usually i never heard the sound from the same song but now it all comes out..
will update more and buy more tubes..GO TUBE !!
Click to expand...


My Darkvoice 336SE has arrived, too, I am so happy with it :) At the moment I have only stock tubes. (I already ordered some tubes, I am expecting them in a week)
 
I found a russian version of 6AS7G, I am curious is it similar to your RCA 6AS7 or not. In my country I found only this at the moment. Its quite cheap but perhaps not good quality.
 
Jan 12, 2011 at 4:47 AM Post #203 of 14,511
I found some tubes by chance.. I am wondering, can I use them with my DV 336SE?
I dont want to destroy my brand new amp at the first day...
 
So I found these (pairs):
russian 5ц3с should be equal to 5U4G (big ones)
6h8c --> exactly like this (small)
jan chs 6sn7wgt sylvania - I can use I am sure 
 
The big one has less legs (only 5) than the stock big one (6n5p)
Can I replace it?
 
I belive I can replace the 6N8P with the sylvania or with the 6H8C as well.
I think its better to ask in the beginning.. :)
 
Thanks in advance!
 
Jan 12, 2011 at 9:26 AM Post #204 of 14,511
The 5U4G is a rectifier tube and absolutely CANNOT be used in the DV336SE. 
 
The Russian equivalent of the 6AS7G is the 6N13S.  These are decent, but not great sounding, IMO. 
 
The 6AS7 equivalents are 6080, 5998, 7236, and in UK A1834.
 
Jan 13, 2011 at 5:17 AM Post #205 of 14,511
Thanks again! Fortunately I didn't try it :)
 
But this SYLVANIA JAN CHS 6SN7WGT tube made a noticeable improvement mainly with the high parts, but generally as well.
For the rear tube I'am still using the stock tube. So I'm counting on more improvement in the near future.. Also thinking to get a DAC from senzen., instead of asus xonar u1 portable sound card. I hope it has sense..
 
I will post my impressions when my mullard 0680 and the others arrive.. !
 
Jan 14, 2011 at 3:27 AM Post #206 of 14,511
Does anyone have any experience with the Electro-Harmonix 6SN7 tube? I picked one up out of curiosity and it seems to be the worst humming tube I've come across.  I'm hoping that some burn-in will settle it down.
 
Jan 14, 2011 at 10:39 AM Post #207 of 14,511


Quote:
ludespeed13 said:
Does anyone have any experience with the Electro-Harmonix 6SN7 tube? I picked one up out of curiosity and it seems to be the worst humming tube I've come across.  I'm hoping that some burn-in will settle it down.
Click to expand...



Yes - it's not a very good tube.  Any vintage/NOS 6SN7 will sound much, much better, even the relatively inexpensive RCA/GE/Sylvania 6SN7GTB's.
 
Jan 15, 2011 at 4:43 PM Post #208 of 14,511
Hi there! Has anybody tried this tube with DV 336SE? --> Lewis & Kaufman 6080
 
And an another question: Are these tubes identical to Tung-Sol 5998? They are labeled Chatham 5998. 
They should be the same in sounding. Thanks.
 
update: these -->


update: YES, they are identical, the same sounding. I read a lot of topics..
 
Feb 4, 2011 at 1:27 AM Post #209 of 14,511
Just purchased a CBS 6AS7 (here) for my new 336SE.  I'm looking for a complimentary 6SN7 to replace the out-of-the-box-disappointing Chinese tubes and my AKG702 headphones.
 
Suggestions?
 
Also there's a local guy selling a Tung-Sol 5998 + Two 6DJ8 Amperex Holland's for $100 from his Woo amp.  I'm pretty sure the 6DJ8 won't substitute for the 6SN7, but a verification would be greatly appreciated before I go blow the cash. 
 
Thanks!
 
Feb 4, 2011 at 3:15 AM Post #210 of 14,511


Quote:
rjhd3 said:
Just purchased a CBS 6AS7 (here) for my new 336SE.  I'm looking for a complimentary 6SN7 to replace the out-of-the-box-disappointing Chinese tubes and my AKG702 headphones.
 
Suggestions?
 
Also there's a local guy selling a Tung-Sol 5998 + Two 6DJ8 Amperex Holland's for $100 from his Woo amp.  I'm pretty sure the 6DJ8 won't substitute for the 6SN7, but a verification would be greatly appreciated before I go blow the cash. 
 
Thanks!
Click to expand...


I'm pretty sure the 6DJ8 wont work.  A 5692 would.  
 
I think that my favorite combo for the 336i when I had one was the Sylvania VT-231 or RCA grey glass VT-231 + Tung Sol 5998.  With brighter headphones I would swap in a Hytron brown base 5692, and for bass heavy cans I would change the 5998 to a Raytheon 6080 which was not as warm and bassy.  Most of the time I didn't have to change the tubes.
 
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