Vu meters on tape dec while recording on a Revox B77 reel to reel

Tape operating level aka 'reference fluxivity': what's it all about (and

Audio tape reel hi-res stock photography and images - Page 3 - Alamy

Tape spools hi-res stock photography and images - Page 3 - Alamy

Studer-Revox B77 MKII – BOGIN, JR.

Analogue electrical meters hi-res stock photography and images - Alamy

Audio tape reel hi-res stock photography and images - Page 3 - Alamy

Reel to reel tape deck hi-res stock photography and images - Page 2 - Alamy

Revox B77 Tape Recorder (HSR Dec 83)

Tape deck hi-res stock photography and images - Page 3 - Alamy