Mesa Boogie EL-34 STR-447 Output Valves / Tubes EL34 (Pair)

Mesa® EL-34 STR 447

Duet (matched pair)

The MESA® EL-34 STR 447 is our very best overall, premium grade NOS equivalent EL-34 and our tube of choice in the production of all new MESA EL-34 powered models. It offers traditional EL-34 tone & feel – urgent and aggressive – and is an excellent choice for all styles of gain, especially classic rock, alternative rock & metal. This tube is true to it’s British origins with tight, focused low end, crushing midrange crunch and crystal-like highs. It’s one of our favorites for authentic Brit tones.

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!

Remember… our dedication is to create the world’s finest tube amplifiers. And to achieve that goal requires a deeper commitment to tube quality… because the reputation of our amplifiers depends on it.

• Mesa EL-34 STR 447 tubes offer premium NOS quality
• Traditional EL-34 tone with urgent, aggressive feel
• Perfect for classic rock, alternative rock & metal
• Tight low end, crushing midrange, crystal-like highs
• Highest quality tubes for exceptional tonal consistency
• Reliable for any tube amplifier, especially MESA models
• True to British origins with authentic Brit tones