TAD 6550ASTR/6 Selected Power Tubes Sextet

Discover the TAD 6550ASTR/6 select tubes, a sextet that pays homage to the classic GE6550A. These premium tubes have been manufactured since September 2010 with an improved and exceptionally pure anode metal combination. Thanks to the extensive TAD fire-in and formatting process, the 6550A-STR offer unparalleled consistency and stability. They even surpass the performance of the 6550C and are ideal for demanding applications such as the Ampeg SVT (note: suitable without tube bracket).

The TAD 6550A-STR features a heavy, straight glass envelope, a polished metal base, and authentic triple-getter construction. This balanced tube is renowned for its impressive lows and rich midrange. Enjoy smooth, natural tones with a wide, open character, making it exceptionally popular for bass guitars and high-end hi-fi applications. With specifications that surpass the classic 6550A tubes, the TAD 6550ASTR/6 performs perfectly in any environment requiring 6550 tubes.

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