[433521]

For those of you who want to hear tube rolling options, these are available for the summer. Too hot in Florida, I go straight class D figuring less a/c is going to impact the sound in my room more than any benefit from 'tube sound'.

If more than a handful respond, I am open to dividing this into two groups. There is also a Melz that says 3/51 and a couple RCA's. And a Westinghouse. And 4 tung sols of unknown lineage. None of these besides maybe the Melz ( I don't know what year it is) are fancy tubes, most of these arrived with the Lyr 3 used,

I've wanted to do this for awhile, and if this puts out the fire in tube prices a little, I'm going to save many monies!

If need the amp, I suppose I could toss that in for those without.

 

[jonathan c]

When I run a pair of GEC L63 (or KenRad VT-94) with the @Deyan-built adapter, the Lyr 3 gets only slightly warm due to the tube elevation :

 

[433521]

When I run a pair of GEC L63 (or KenRad VT-94) with the @Deyan-built adapter, the Lyr 3 gets only slightly warm due to the tube elevation :

Those are nice.

A Tung Sol 1626 NIB NOS were $50 a pair (Hytron were under $40 NIB NOS, but Tung Sol is thought to sound better. I can't really tell but I stay on the safe side). A Lorenz ez81 were NIB NOS $40 a pair. A Sylvania 6189 NIB NOS is $43 a pair presently on eBay (closer match for $5 more, I don't need it as my monos have independent levels).

The Telefunken in my ValiGruven is more than all six. (it was included in the Mjolnir I bought used).

eg. But they're suited!

 

[tafens]

When I run a pair of GEC L63 (or KenRad VT-94) with the @Deyan-built adapter, the Lyr 3 gets only slightly warm due to the tube elevation :

Nice setup! The black tube adapter blends very well with the black body on the Lyr3, as does the volume knob. Where did you find it?

 

[jonathan c]

Nice setup! The black tube adapter blends very well with the black body on the Lyr3, as does the volume knob. Where did you find it?

It was built by Head-Fier @Deyan. His workmanship is . The knob was bought via EBay.

 

[cgb3]

None of those pictures are Bad Boys. The mica structure is a give away that they are not. Bad Boy has rectangular mica with 3 slightly downward turning triangular spikes in each short side of the top mica. None are present on the left tube and the right tube is a round spiked mica.

You went to school, started your career; ... did you ever imagine you'd be a tube DIVA? (I mean this in the best possible way).

 

[Ripper2860]

Never in my wildest dreams. I always thought I'd grow up and contribute something meaningful. I'm still just waiting to grow up.

 

[433521]

How many tubes did the military use? There's a guy trying to sell marconi's for airfare to Vietnam I mean, come on. Can't I just fly to Hanoi and source it myself for five bux?

 

[cgb3]

The plan was simply to try a new tube in my Lyr 3, casually, just something besides the JJ 6SN7 that came with it. Started looking for info on tubes and found this place. So naturally...

I've now received 10 of the tubes I've ordered on the way down the rabbit hole. This is fun. Question. Two of the tubes I ended up with are Tung-Sol 6SN7GTB, angled black T-plates, top D Getter. These seem well regarded, albeit not the most popular or sought after tubes. What I'm really wondering about though, is the branding. I haven't seen either of these mentioned here:

- Tung-Sol 6SN7GTB branded "EICO" (seller says 1957)
- Tung-Sol 6SN7GTB branded "STROMBERG -CARLSON" (seller didn't indicate a year)

Just wondering if anyone knows any history on 6SN7s with this branding or these specific tubes. Or anything about these TS 6SN7GTBs in general.

https://www.head-fi.org/threads/6sn7gt-6f8g-an-exploration-of-wwii-era-octal-tubes.890205/
and
https://www.effectrode.com/knowledge-base/the-6sn7gt-the-best-general-purpose-dual-triode/

Careful ... Lots of money can be wasted in rabbit holes.

 

[bcowen]

https://www.head-fi.org/threads/6sn7gt-6f8g-an-exploration-of-wwii-era-octal-tubes.890205/
and
https://www.effectrode.com/knowledge-base/the-6sn7gt-the-best-general-purpose-dual-triode/

Careful ... Lots of money can be wasted spent decorating rabbit holes.

FTFY.

 

[jonathan c]

https://www.head-fi.org/threads/6sn7gt-6f8g-an-exploration-of-wwii-era-octal-tubes.890205/
and
https://www.effectrode.com/knowledge-base/the-6sn7gt-the-best-general-purpose-dual-triode/

Careful ... Lots of money can be wasted in filling rabbit holes.

FTFY…[Reg. TM; © bcowen: 2021]

 

[Mr Trev]

FTFY…[Reg. TM; © bcowen: 2021]

Not try to kink-shame, but filling rabbit holes?? (man… I've been spending waaay too much time on Reddit)

 

[jonathan c]

Not try to kink-shame, but filling rabbit holes?? (man… I've been spending waaay too much time on Reddit Rebbit…)

FTFY…[Reg. TM; © bcowen: 2021]

 

[D Getter]

https://www.head-fi.org/threads/6sn7gt-6f8g-an-exploration-of-wwii-era-octal-tubes.890205/
and
https://www.effectrode.com/knowledge-base/the-6sn7gt-the-best-general-purpose-dual-triode/

Careful ... Lots of money can be wasted in rabbit holes.

Thanks for the articles! It's definitely easy to drop some coin on this stuff... I feel pretty well set at this point though, thankfully. Like I said I've got about 10 tubes to play with and just acquiring them has been a fun learning experience in itself. I've tried the stock JJ 6SN7, a 1940s Raytheon 6SN7GT/VT-231, a 1957 Tung Sol 6SN7GTB, and currently a 1954 RCA 6SNGTA (which I think may be my favorite so far).

 

[bob2299]

Can someone recommend a SS tube for my Lyr 3? Don't know much about tubes ._.