What tubes are you using?

[Happy Camper]

As the title says, what tubes are you using in your pre/phono/amp?

For my DAC, I'm using a 6072 GE Command 5* blackplate/triple mica in place of a 12ax7. I wanted to get more focused and open sound and this has been a nice upgrade from the standard 12ax7.

In my headphone amp, I'm using a 2c51 adapter with a WE 2c51 driver and two TS 5998 output tubes. My amp offers many a tuberolling options as quoted below.

"In addition to the stock driver, you can also use a NOS 6SN7, 6SL7, 6188, 6SU7GTY. With optional ECC type 1 adapters you may implement the 12AT7, 12AU7, 5814, 5965, 6414, 6829, and 7062. Or, our ECC type 2 adapters are also available for the 6ES8, 6DJ8, 6922; 6DJ4, 6DJ8, ECC189, ECC88, E88CC; and Osram PCC88. Our third adapter type will allow for the implementation of the 5687, ECC182, and 7119. Other adapters available include 6CG7/6FQ7, 6GU7, and another for the 6350 and 6463.

The following NOS output tubes are available additionally for purchase: Raytheon 6080; GE 6080; Bendix 6080, 7802; RCA 6AS7; Tung-Sol 6080, 7236, 2399; IBM 5998(straight bottle), and Tung-Sol 5998(shoulder type)."

See any tubes in the lists above that has a better sound?

Edit: corrected my DAC tube.