[zest]

Indeed G2 has a switch for 6 or 12V tubes.
 

 

[Avro_Arrow]

Well, in the Indeed G2's case, swap away!

 

[sharkz]

I have an original so that doesn't apply to me. That is one of the reasons I want to make sure I know everything I can know about tubes before I buy anything. It is a nice feature though.

 

[zest]

If I was looking for 12AU7 tubes, I'd try to find some Telefunken, Amperex, Mullard especially ECC802 which is premium version like E188CC is for E88CC/6922, but they're rare and often expensive.

 

[Judge Buff]

 
Quote:

Indeed G2 has a switch for 6 or 12V tubes.
 

As I've said several times in this thread, if you want to roll tubes, you want a G2. I can listen to a 1950's RCA black plate 12au7 then switch to a Mullard E188CC in seconds. If you do the "bias lead mod" that I got from the Rock Grotto Forum Folks (shown in my pics), setting the bias is easy.
 
sharkz, if your amp is an original Indeed (Gen 1), you can only use 6dj8 family (or comparable) tubes. This still gives you a lot of tube choices, though, and there is a picture tutorial somewhere in either the Indeed thread or this one that shows where to put your MM probes to set the bias on that model.

 

[aroldan]

I'm sorry for the lame question but does anyone has a step-by-step tutorial to adjust the bias of the Bravo V2?
 
Thanks! 

 

[sharkz]

Yeah I have a G1. I know how to adjust the bias, I have just been trying to make sure I know which tube family fits. Knowing for sure it is the 6dj8 family helps me a ton, thanks Judge.

 

[Ultrainferno]

@Aroldan: Our friends at the other forum have topic for that

 

[aroldan]

Quote:

@Aroldan: Our friends at the other forum have topic for that

Wow, I didn't know the Rock Grotto forums, thank you very much!

 

[Judge Buff]

Quote:

Quote:

@Aroldan: Our friends at the other forum have topic for that

Wow, I didn't know the Rock Grotto forums, thank you very much!

Yeah, those Rock Grotto folks have thoroughly digested these amps and aren't bashful about showing you how to mod them. I haven't been there in a while, myself... I may need to spend the weekend checking them out. In between football games that is.

 

[Judge Buff]

Quote:

Yeah I have a G1. I know how to adjust the bias, I have just been trying to make sure I know which tube family fits. Knowing for sure it is the 6dj8 family helps me a ton, thanks Judge.

One of the absolute best tubes for very little money is a 6n23p. The ev ones are generally even better, but you pay for the quality increase. The last 6n23p tubes I bought (on the Bay) were less than $4 USD each and they were 60s-70s. The last ev designation I got from the 70s was <$20. Once again, look for balanced emissions. This is certainly one of the best bang for the buck items out there and they pair really well with the Gen1. Some tubes have great synergy with the Gen1 and this is one of them.
 
They are even better on the G2. There is a member at Rock Grotto that was extolling the virtues of of the 6n23p on the G2 and I had to try it. Excellent balanced tube...

 

[zest]

Since I met a radio amateur owner of more than 3500 tubes, he gave me the E188CC, I will ask him for good 6n23p.

 

[Avro_Arrow]

Can you introduce me to him too...

 
Quote:

Since I met a radio amateur owner of more than 3500 tubes, he gave me the E188CC, I will ask him for good 6n23p.

 

[sharkz]

I need to look into the tube families mentioned. Just want something with a more detailed sound than my Jan Sylvania's. Would be interesting to try something with a different sound. There's lots of good tubes on the bay, problem is I really don't need more than one, which limits my choices severely. Will have to keep my eyes peeled and see if I see anything good.

 

[Judge Buff]

Quote:

Since I met a radio amateur owner of more than 3500 tubes, he gave me the E188CC, I will ask him for good 6n23p.

I bet he doesn't use these Ruski tubes in his ham setup...