[skhan007]

Guys, regarding 6sn7 preamp/driver tubes, I've got the following in my stash that I'd like to try when my 9 pin to 8 pin adapter arrives. I'm pretty sure the tube on the left, the 6SL7 is not compatible, correct? The other three are 6sn7 and two 5691 tubes.

 

[DatClampTho]

Only that Sovtek would work. The 5691 are 6SL7 equivalent and the Crack is not compatible with these.

 

[MacMan31]

Got these for my BHC. Now I can try my 6SN7 tubes from my Lyr 3.

 

[skhan007]

Gents, this is my first 6sn7 venture. Now I’m just patiently waiting for that adapter to arrive.

 

[MacMan31]

So far I'm not sure I have found a 6SN7 tube I like in the BHC. I have 8 or 9 different ones and so far none have overly impressed me.

 

[Galapac]

So far I'm not sure I have found a 6SN7 tube I like in the BHC. I have 8 or 9 different ones and so far none have overly impressed me.

Have you tried an E80CC tube in place of a 12AU7?
If you have the SB upgrade you can use that tube natively and I prefer them over the 12AU7 tubes myself.

 

[MacMan31]

Have you tried an E80CC tube in place of a 12AU7?
If you have the SB upgrade you can use that tube natively and I prefer them over the 12AU7 tubes myself.

You mean ECC82? I did not know there was an E80CC.

 

[Galapac]

E80CC. They are a bit pricey these days but if you are patient you can find a good deal.
You even commented on it back in June.

Post in thread 'Crack;Bottlehead OTL'
https://www.head-fi.org/threads/crack-bottlehead-otl.476650/post-17008658

Search this thread on E80CC for peoples comments on it.

 

[MacMan31]

E80CC. They are a bit pricey these days but if you are patient you can find a good deal.
You even commented on it back in June.

Post in thread 'Crack;Bottlehead OTL'
https://www.head-fi.org/threads/crack-bottlehead-otl.476650/post-17008658

Search this thread on E80CC for peoples comments on it.

Yes I do now remember that comment. I also came across this website which sells many tube types.
https://www.nostubestore.com/search/label/E80CC/6085

 

[bagwell359]

Have you tried an E80CC tube in place of a 12AU7?
If you have the SB upgrade you can use that tube natively and I prefer them over the 12AU7 tubes myself.

With a lot of room to spare.

 

[skhan007]

Have you tried an E80CC tube in place of a 12AU7?
If you have the SB upgrade you can use that tube natively and I prefer them over the 12AU7 tubes myself.

With a lot of room to spare.

Is there a particular brand/spec that’s recommended?

 

[DenverW]

Is there a particular brand/spec that’s recommended?

I preferred the Phillips sq personally on the e80cc. However, I also prefer a great 12au7 to the e80cc overall.

 

[Galapac]

Is there a particular brand/spec that’s recommended?

I like the Philips and Valvo red label brands.
Both have solid plates.
Be careful of Siemens being sold with holes in the plates as those are usually knockoffs of cheaper Tungsram tubes.

 

[skhan007]

OK, Gents- I have entered the Rabbit Hole. My 12au7 to 6sn7 adapter arrived and I'm test driving my two current tubes (Raytheon and Sylvania chrome top). Exciting stuff!! My big question (to be answered in the coming days): Will I notice an improvement over the wonderful RCA clear top 12au7?

 

[bagwell359]

I preferred the Phillips sq personally on the e80cc. However, I also prefer a great 12au7 to the e80cc overall.

In that circuit with the correct resistor value change? Speedball - 475 ohms.