Reporting question for Vacuum Tube - 6550WE, Sovtek

Vacuum Tube - 6550WE, Sovtek

Are the Sovtek 6550WE tubes performance level rated with the Apex matching? If so what levels are available at AP?

Apex matched tubes are rated by plate current and transconductance. Similar to Groove Tubes, we have low. medium, and high ratings available and would be happy to supply you with the type of set you prefer. Please include an order note when making an order.