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Mesa Boogie 6L6 GC STR 445 (DUET)
MESA/Boogie 6L6 STR‑445 is a premium matched pair of 6L6GC power tubes offering tight and punchy low end, beautifully balanced mids, and clear but smooth highs. Ideal for MESA Rectifier series amps, they deliver focused rock tone with clarity and power – without hiss, fizz, or harshness. Perfect for modern rock and heavy genres.
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Product attributes
Model :
6L6 GC STR 445 (DUET)
SKU :
SUP_nj1881952
Warranty :
2 years
Producent :
Mesa Boogie
Product Description
Details
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.
Shipment
Product delivery details Mesa Boogie 6L6 GC STR 445 (DUET)
Shipment from Warsaw, Poland.
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Product faq
Mesa Boogie 6L6 GC STR 445 (DUET) - Frequently asked questions.
Which amps are compatible with MESA/Boogie STR‑445 tubes?
They work with all amps that use 6L6GC power tubes. Especially recommended for MESA/Boogie Rectifier series (Dual, Triple).
What makes STR‑445 different from STR‑441 or STR‑448?
STR‑445 shares tonal qualities with 6CA7 tubes – tight bass, focused mids, and clear highs – making it a great option for controlled, aggressive rock tones.
Are these tubes delivered as a matched pair?
Yes. STR‑445 is sold as a matched pair – hand-tested and selected by MESA/Boogie to ensure performance and consistency.
Which music styles are best suited for STR‑445?
Rock, hard rock, metal, grunge, and stoner – any style where tight low-end response and cutting presence are essential.
Do these tubes require a bias adjustment?
Yes. Proper bias adjustment is recommended after installation to ensure optimal tone and tube life.
Where are STR‑445 tubes manufactured?
They are tested, selected, and matched in the USA by MESA/Boogie under strict quality standards.
How does STR‑445 compare to STR‑441 in terms of tone?
STR‑445 delivers more definition in the low end, tighter mids, and brighter top – great for a more modern, articulate tone.
What are the key advantages of STR‑445 tubes?
Precision, clarity, high reliability, low noise, and a wide dynamic range – built for modern amps and demanding players.
