I have no issues if someone wants to know the output of their tube, but the concern by the OP is that his tube is a jacked up lower wattage tube, done in the name of cost savings by the manufacturer. They have 1000's and 1000's of these tubes in the wild. They are out there and very dependable. There's zero reason to suggest they have made a cost savings decision that's shortchanging the end users of power. You bought an 80W. It's producing more than 80W. Be happy with that. My 80W Ceramic core tube cuts better than my 75W Synrad tube. The beam appears to be higher quality and cutting the exact same materials gives a noticeable difference in quality. The Ceramic Core on acrylic leaves a stunning edge. We've moved all of our acrylic cutting to that machine because the cut quality is superior.
Just run it and don't worry about what model tube someone lists on their website. It's completely irrelevant. You paid for 80W, you've got 80W.
Lasers : Trotec Speedy 300 75W, Trotec Speedy 300 80W, Galvo Fiber Laser 20W
Printers : Mimaki UJF-6042 UV Flatbed Printer , HP Designjet L26500 61" Wide Format Latex Printer, Summa S140-T 48" Vinyl Plotter
Router : ShopBot 48" x 96" CNC Router Rotary Engravers : (2) Xenetech XOT 16 x 25 Rotary Engravers
Real name Steve but that name was taken on the forum. Used Middle name. Call me Steve or Scott, doesn't matter.