Sovtek 6550R Power Tube

The Sovtek 6550R boasts a higher gain and output compared to others, resulting in a bold and powerful sound. This tube is highly recommended for bass applications and many Hi-Fi amplifiers. It also has a slight midrange bump, making it a top choice for lead guitar.

All RUBY™ Tube power tubes come already matched. There is no extra charge for this service. Our Magic Parts matching process is very exact and our tubes are matched within +/- 1 mA (mille amp) of each other.

  6 month warranty on all tubes