Mesa Boogie 6L6 GC STR 448 Duet Amplifier Tubes - 750635D

Mesa Boogie 6L6 GC STR 448 Duet Amplifier Tubes

Balanced 6L6 punch, generous headroom, and a warm, cohesive top end

The Mesa Boogie 6L6 GC STR 448 Duet Amplifier Tubes are built for players who want clear headroom, firm low-end response, and a strong but controlled attack. Their balanced voicing combines rich bass, full mids, and present highs that remain warm rather than sharp.

Features

The STR 448 is a premium-grade beam power tetrode screened for consistency and reliability in high-voltage 6L6 amplifier circuits. A 30-watt plate-dissipation rating supports clean authority and powerful overdrive, while the tube's controlled low end and cohesive upper range work across blues, rock, high-gain, and clean-platform applications.

Specifications

• Tube Type: Beam Power Tetrode
• Tube Class: 6L6GC
• Set Format: Duet
• Heater Voltage: 6.3 V
• Heater Current: 0.9 A
• Maximum Plate Voltage: Approximately 500–550 V
• Maximum Screen Voltage: 450 V
• Plate Dissipation: 30 W
• Screen Dissipation: 5 W
• Typical Idle Current: Approximately 23–30 mA per tube
• Transconductance: Approximately 5,000–6,000 micromhos
• Base: Octal
• Approximate Height: 3.75–4.0"

Why you should choose the Mesa Boogie 6L6 GC STR 448 Duet Amplifier Tubes

This duet is an effective choice when a compatible amplifier needs dependable 6L6 headroom without sacrificing warmth or musical punch. Its even response allows the amplifier's own preamp and tone controls to remain the centre of the sound.