Solid state to tube

They came with tubes installed I see some extra ones but not sure if they are good.

I aimed Dan  at modwright. Very impressed that he actually took the time to email back almost immediately. He mentioned a few tubes to try  here is what he said

"Hi, the SWL 9.0SE uses a 5AR4/GZ34 and two 5687's. Tung-Sol and Raytheon 5687's are some of the best. For the rectifier, a good Amperex, Brimar or other English GZ34 will sound best"

@ecpninja that's good.  I'd recommend following his advice him knowing the design and how different tubes respond.  Also good to see he recommended those particular rectifier tubes if you don't already have them installed now.  

 Modwright customer service is excellent. Congrats on your new pre.Enjoy

Tube preamp Solid state amp best combo JUMP ON IT ASAP!!!

I too was a SS guy for decades. Then a buddy brought over a tube integrated for me to try. I knew in the first few seconds that the sonics killed my Yamaha A-S3000 integrated. I thought the Yamaha was the last amp I was ever going to buy.

The amount you need to spend on a tube amp is determined by how demanding your speakers are. If your speakers are really efficient you can do very well with a low power tube amp which are more affordable than higher powered amps.

I bought my speakers after a demo because I loved how they sounded. I didn’t think too closely about efficient and less efficient speakers. After hearing the tube amp in my rig, I realized that if I wanted my speakers to reach their potential using a tube amp, I needed a ton of power because they are very inefficient. I thought my new PrimaLuna EVO400 power amp would have sufficient power but after several months of listening and listening to another system with Magico speakers, I knew my speakers still didn’t have enough power driving them. I contacted an expert who recommended NAT Audio Generator 805 mono blocks. My speakers are very happy now and so am I!

You won’t regret the switch to tubes!