Mesa Boogie 5881 6L6 STR 425 DUET Power Tubes - 750881D

Mesa Boogie 5881 6L6 STR 425 DUET Power Tubes – 750881D

Built to deliver classic American tube tone with unmatched reliability, the Mesa Boogie 5881 6L6 STR 425 Duet is a hand-tested matched pair of power tubes designed for bold, full-bodied sound. Ideal for players seeking smooth top-end clarity, tight low-end response, and a focused midrange, the STR 425 excels in both clean and driven settings.

These tubes are factory-selected and matched for optimal performance in Mesa/Boogie amps and are also compatible with a wide range of tube amplifiers that require 6L6 or 5881 power tubes.

Key Features

• Matched duet of 5881/6L6 power tubes
  Delivers rich harmonics, punchy lows, and smooth highs

• Mesa factory-tested and approved
  Screened and hand-selected for performance, consistency, and tone

• Built for reliability and long tube life
  Ideal for stage, studio, or rehearsal settings

• Compatible with a wide range of 6L6/5881-equipped amps
  Perfect fit for Mesa Boogie and other quality tube amplifiers

Specifications

• Tube Type: 5881 / 6L6 STR 425

• Configuration: Matched Duet (2 tubes)

• Mesa Part Number: 750881D

• Country of Origin: Russia

Whether you're replacing worn tubes or fine-tuning your sound, the STR 425 Duet offers the classic Mesa tone with exceptional durability.