Telefunken 6L6GC-TK Black Diamond Series Vacuum Tubes (Matched Set of Four)

This matched set of four Telefunken 6L6GC-TK Black Diamond Series Vacuum Tubes is ideal for use in guitar and bass amplifiers and hi-fi equipment in homes, studios, and live stage applications. For personal enjoyment, live performance, or commercial recording, they grant a clear midrange and sparkly highs. Slightly larger than an EL34, each 6L6GC octal power tube delivers bite, definition, and plenty of headroom.

Inspired by the 6L6, which was developed by RCA in 1936 as the first power tetrode

Strongly associated with the sound of American amplifiers

Great for instrument amplifiers and hi-fi equipment

Tight and defined lows, transparent midrange, and shimmering highs

Focused bite with defined articulation

In comparison to the EL34 and EL84, the 6L6GC is characterized by higher headroom before breaking up

Each tube is meticulously measured for all critical parameters of performance including transconductance, gain, noise, and microphonics

Tubes are selected by hand, rigorously tested, subjected to an extended burn-in period for stability, and remeasured before final packing