VF4 Vacuum Tube Clock

$279 AUD

Ships in 2-5 days

Free delivery Australia wide

Combining four Soviet-made vacuum-fluorescent (VF) tubes, sustainably-sourced Tasmanian Oak, and clear laser-cut acrylic, this tube clock is hand-made and designed in Brisbane, Australia. It is USB powered and offers high accuracy time, with temperature and date displays. When connected to your computer, a range of clever features allow maximum customisation, including its built-in RGB tube-lighting LEDs, and programmable on-off times to ensure long tube life.

Four tubes

Four original Soviet-made ИВ-6 (IV-6) seven-segment vacuum-fluorescent tubes

RGB Lighting

RGB under-tube LED lighting with customisable colour and adjustable rainbow modes

Supercap Backup

5-Day supercapacitor time backup, with all settings saved permanently

Temperature

Temperature (°C or °F) and date display, with option to show automatically every 30s, one or five minutes

USB Connected

USB powered with web-based configuration app. Many settings accessible via the built-in buttons

More Features

Calibrated and temperature compensated time with accuracy around 1 minute per year.
Selectable 12/24-hour time and date format, with option to show/hide leading zero.
Adjustable tube and LED brightness with automatic night-dimming.
Optional tube anti-poisoning effect with four patterns and LED effects.
Up to two configurable on/off timers each day to maximise tube lifetime and reduce power consumption.
Web application offers easy firmware upgrades for new features, with diagnostics and event logging.

Specifications

Power Supply: USB-C 5.1V, 1.3W / 260mA
Timekeeping Accuracy: < ±3ppm (8 sec/month) with digital temperature compensation
Temperature Accuracy: < ±1.5°C typical (Resolution = 0.1°C/F)
Power-loss backup duration: 5 days typical for time, >10 years for settings
USB-C PC Interface. Web app supports Chrome and Edge on Windows, Mac, Linux, and Android
Warranty: 3 years (including tubes)