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TAD 6550A Redbase Premium Selected Quartet tubes set

The TAD 6550A-STR is a faithful remake of the vintage GE 6550A with a heavy straight glass envelope, polished metal base and the authentic triple getter construction. A balanced tube known for their incredible bottom end and rich mids. Smooth, liquid bass, natural sounding voices and openness made this tube amazingly popular for bass guitar amps and High End HiFi applications.
The ratings of the TAD 6550C-STR meet or exceed those of the classic 6550A tubes and can be used with great performance in any application asking for 6550 type tubes.