Used Blackstar s1 100 Tube Guitar Amp Head

The Blackstar Series One 100 (S1-100) tube amp head is a professional-grade amplifier that delivers exceptional tube tone, reliable performance, and tonal versatility—making it a smart choice for discerning players. This used unit is in excellent working condition, offering 100 watts of EL34-driven power and a responsive preamp section with four ECC83 tubes, ensuring rich valve character whether you're on stage or in the studio. With Blackstar’s acclaimed ISF (Infinite Shape Feature), it provides seamless control over tonal character, allowing you to dial in everything from classic British crunch to articulate American high-gain sounds. Its four footswitchable channels—Clean Warm, Clean Bright, Crunch, and Super Crunch—offer serious flexibility, while master volume, presence controls, a pro-level effects loop, and MIDI switching provide the tools to shape and control your sound with confidence. Light cosmetic wear is present but does not impact performance, making this amp an excellent value for anyone seeking dependable, high-end tube tone without the premium price.