GlassHertz

GlassHertz is a companion for tube rolling, built for enthusiasts who care about how every tube sounds in their amplifier.

Keep your entire tube collection organized in one reliable place. Add tubes to your Tube Vault with their model, brand, sound notes, and accumulated burn-in hours. Whether you are testing a new tube, revisiting a favorite NOS find, or comparing different options, GlassHertz helps you keep track of every detail.

Track each burn-in session with a live timer and automatically record total hours directly for the tube in your vault. Save your listening impressions and discover which tubes work best with your headphones by recording specific tube-and-headphone combinations and your personal notes.

Compare American, European, and military tube designations side by side to quickly identify equivalent tubes from different manufacturers and regions. Search the database instantly and check the 9-pin Noval socket diagram whenever you need a quick pinout reference.

Your collection, your hours, your listening notes — organized and always at hand.