Description
MESA/Boogie 6L6 STR‑445 – precision 6L6 power tubes with rock-focused “Claw” character MESA/Boogie 6L6 STR‑445 is a premium matched pair of 6L6GC power tubes that combine accuracy, tight low-end response, and musicality. Featuring tonal characteristics similar to the 6CA7, these tubes deliver focused, punchy bass, well-balanced mids, and articulate yet smooth highs. They are the ideal choice for guitarists seeking powerful, controlled tones – especially in modern rock and heavy music contexts.
Key Features Matched pair of 6L6GC power tubes (factory selected) Tight and defined low end – no flabbiness or muddiness Balanced midrange – musical without overpowering Clear, smooth high-end without fizz or harsh overtones Perfect for MESA/Boogie Rectifier series amps Tested, matched, and selected by MESA/Boogie in the USA Clarity with edge – the “Rock/Claw” tone STR‑445 offers a tight low-end foundation that’s articulate and responsive. The mids are expressive but not overbearing, and the highs remain detailed and present without harshness. MESA/Boogie describes this tonal profile as ideal for the “Rock/Claw” range – powerful, aggressive, and defined, yet smooth and controlled. These tubes let your guitar cut through a mix without sounding brittle or harsh.
Applications & Compatibility Designed to handle demanding conditions both on stage and in the studio, the STR‑445 is highly recommended for MESA/Boogie Dual and Triple Rectifier amps. However, it’s fully compatible with any amplifier that supports standard 6L6GC tubes. It's a top choice for musicians playing hard rock, metal, grunge, stoner rock, and any style where punch, low-end clarity, and harmonic control matter.
Technical Specifications Tube type: 6L6GC (matched pair) Model: STR‑445 Function: Power amplifier tube Tested and matched in: USA Tonal profile: Tight bass, balanced mids, clear highs Build Quality & Selection Each STR‑445 tube is rigorously tested and matched by MESA/Boogie’s team in California. With strict performance standards, low microphonics, and enhanced stability, these tubes deliver outstanding consistency – even under high-load conditions. Thanks to their tonal precision and road-ready durability, the STR‑445 is trusted by professional guitarists worldwide.
What’s in the box 2 × MESA/Boogie 6L6 STR‑445 power tubes (matched pair) Original MESA/Boogie packaging Protective foam insert Summary MESA/Boogie 6L6 STR‑445 is the ideal choice for players looking for power, punch, and articulation. From tight rhythm tones to soaring leads, these tubes provide the precision, tonal focus, and smooth response needed to define your sound – especially in heavier and more aggressive musical styles.