C2600 Tube Rolling

[akitared]

Hello all, I am seeking guidance and feedback from forum members on Tube Rolling for the C2600 preamp.

I know that the main input is a 12ax7 and that the main output is 12at7.

What have other forum members mixed and matched for rolling these tubes? I swapped out the standard tubes with Golden Lions for the past year, now I am feeling the urge to play around with the tubes.

I hear good things about Siemens, Mullards, Brimar and Mazda along with Telefunkens of course.

Another thing, has anyone had experience of dealing with tubemonger.com?
I have bought tubes from Brent Jesse previously but hadn’t come across Tubemonger.

Look forward to your thoughts and suggestions