Definitely not a tube amp. A tube amp usually has only one or two tubes. This number of tubes implies that they are being used as primitive transistors for logic functions, you can also see a number display made from nixie tubes at the top of the image.
What is this sexy thing?
That’s her exhaust fan, you pervert!
Google image search says it’s a desk calculator with electron tubes.
https://www.technikum29.de/en/computer/electron-tubes.php
Tube amp maybe? An odd one though if so.
Definitely not a tube amp. A tube amp usually has only one or two tubes. This number of tubes implies that they are being used as primitive transistors for logic functions, you can also see a number display made from nixie tubes at the top of the image.