Tung Sol Flasher !exclusive! Jun 2026
Vintage units are collector items. Modern reissues capture 90% of the look and feel for $40-60/tube.
If you are writing a report or researching the technology, here is the technical synopsis of why this specific flasher is significant in engineering history: tung sol flasher
If you are looking for the definitive technical document on this device, it is the classic filed by Tung-Sol engineers, coupled with the application notes found in vintage electronics manuals (like Radiotron Designer's Handbook ). Vintage units are collector items
The Tung-Sol flasher utilized a Self-Heating Bi-Metal Mechanism . also known as the 6L6GC
The Tung-Sol Flasher, also known as the 6L6GC, was introduced in the mid-1960s and quickly gained a reputation among guitar players and amp builders for its exceptional tone and durability. The Flasher was designed to provide a high level of gain, headroom, and clarity, making it an ideal choice for guitar amplifiers.
This patent outlines the specific innovation Tung-Sol brought to the market. Unlike earlier flashers that relied on complex clockwork mechanisms, the Tung-Sol flasher used a simple heating element wrapped around a bi-metallic strip.