The Mesa 6L6 STR-448 Redbase is a premium grade 6L6, with a balanced voice and plenty of punch and headroom. They produce rich low end, tight, full midrange and pleasing top end that is present where it counts, yet also warm and cohesive. Structurally sound and high quality, these tubes are consistent and reliable, making them a great choice for any 6L6 powered amp and applicable to most any style of music.
Mesa power tubes are among the highest quality available and selected for their exceptional full-range tonal quality, consistency and reliability. All Mesa tubes offer unsurpassed consistency and reliability for ANY tube amplifier, and certainly Mesa amplifiers!