Tube Reviews

Our tube reviews are written by third parties who are not employees of or any of the manufacturers that are reviewed. These reviews are a vital resource for learning about manipulating your amplifier’s tone through better tube choices.

JJ EL34-II Review

Review – JJ EL34-II

4:37 pm
JJ has upped their game with the new JJ EL34-II, and the design change is truly big enough to warrant the use of the new name. Many companies put an existing tube into a new…
JJ E34L Tube Review EL34

Review – JJ E34L / EL34

4:35 pm
Are you a fan of rock and roll music? If you answered yes and use EL34 tubes then this could be, your go-to bargain. JJ makes great tubes at affordable prices and the JJ E34L…
JJ 6CA7 Review

Review – JJ 6CA7

4:34 pm
Prior to this JJ 6CA7 tube being introduced the choice in a 6CA7 tube was NOS or the Electro Harmonics 6CA7EH. JJ has provided another choice and another price point. JJ tubes tend to be…
Gold Lion KT77 Review

Review – Gold Lion KT77

4:30 pm
Gold Lion KT77 – This tube was a treat to listen to. Since many of us have never actually listened to a KT77 from the original producer, I can not say that they nailed the…

Review – TAD 6L6WGC-STR Tube

4:52 pm
A completely different animal than the TAD 6L6GC-STR. That’s not a bad thing and shows that the company is really working on developing unique products. A completely different plate structure than their other 6L6. These…
Svetlana 12AX7 Review

Review – Svetlana 12AX7

4:14 pm
For several years the original Svetlana 12AX7 tube from St. Petersburg (Winged “C”/SED) tried to develop a good 12AX7 and mostly failed. The current production Svetlana 12AX7 is a New Sensor product and is a…