
SR-71 Blackbird - Vacuum Tube Preamp
Soar to new sonic heights with the Effectrode Blackbird SR-71, a vacuum tube preamp that delivers the power and versatility of high-end amplifiers in a compact pedal. Inspired by the legendary SR-71 reconnaissance jet, this all-analog marvel blends the pristine clean tones of Fender's classic Blackface circuits with the harmonically rich overdrive of hot-rodded Dumble, Soldano, and Boogie amps. At its core are two distinct vacuum tube channels, each meticulously crafted to provide unparalleled tonal flexibility. The clean channel replicates the glassy, dynamic response of a Blackface preamp, allowing you to coax out shimmering cleans or push it into smooth, organic breakup. The drive channel, meanwhile, employs a four-stage tube clipping circuit that seamlessly transitions from subtle crunch to searing lead tones, with an optional "Creamy" voicing that drenches your sound in lush, saturated distortion. But the Blackbird's true magic lies in its customization options. Swap out the stock 12AX7 tubes for 12AU7, 12AY7, 12AT7, or 5751 variants, and use the external bias switch and internal trim pot to fine-tune the pedal's response, emulating a wide range of vintage and modern amplifier characteristics. It's a tonal chameleon that adapts to your playing style and musical needs, whether you're tracking direct or driving your favorite amp. Crafted with military-grade components and built to withstand the rigors of the road, the Blackbird SR-71 is a true high-performance instrument, delivering the sonic depth and responsiveness of a full-size tube amplifier in a pedalboard-friendly format. Prepare for takeoff and unlock new sonic horizons with this exceptional vacuum tube preamp.



