The Telefunken EC88 (also known as 6DJ8) is a miniature dual triode tube, highly regarded in high-end audio and preamplifier circuits for its exceptional clarity, low noise, and detailed sound. Originally designed for RF and TV tuner applications, it became a favorite among audiophiles for its balanced tone, wide soundstage, and musical transparency. Telefunken’s German-made EC88s are especially prized for their precision engineering, long life, and consistent performance, making them some of the most sought-after vintage 6DJ8 variants.
Ruby Tubes
Telefunken EC88
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