Vintage Tube Amp

Dynaco Stereo 70 ST-70 Tube Amplifier – Classic Vintage High-Fidelity Power Amp. Stereo 70 (ST-70) is a legendary tube amplifier known for its high-fidelity sound, robust performance, and compact design. Featuring Dynaco Super-Fidelity A-470 output transformers and a patented circuit design, the ST-70 delivers exceptional tonal balance and dynamic response, whether used in stereo or bridged for monophonic 70-watt operation. Each channel operates independently, providing ample power for any efficiency of speaker system, while the low internal impedance ensures tight damping and precise control over your loudspeakers. Key Features & Highlights. Dual 35-watt channels (stereo) or paralleled 70-watt output (mono). High-quality A-470 output transformers for full-range, low-distortion performance. Designed to maintain exceptional fidelity under real-world loudspeaker loads. Dynamic transient response : reproduces percussive and piano notes with clarity, sharpness, and no muddiness. Compact yet robust construction, ideal for home stereo or studio use. This unit is previously used, shows light cosmetic wear consistent with age, and is fully functional, delivering the authentic sound and performance that made the ST-70 a classic. Whether you’re a vintage audio collector, a tube enthusiast, or a musician seeking warm, musical amplification, the Dynaco ST-70 remains a highly sought-after reference tube amplifier with unmatched character and tone. We’re not just sellers, we’re passionate musicians, gear aficionados, and seasoned professionals dedicated to the craft of making music. We take pride in our curated music collection. We love giving these vintage and rare pieces new life through maintenance and upkeep. Our goal is for these units to be at their optimal performance before going to their new homes. Every item you acquire from us undergoes a meticulous inspection process conducted by our team of enthusiasts, studio engineers, and live performers. With full-time technicians on staff, rest assured that each piece is thoroughly examined and tested before being professionally packed. Once your order is in transit, automatic tracking information is provided, allowing you to monitor its journey from our shop to your doorstep with ease. The units/items you see in our pictures are precisely what you’ll receive. Additionally, we offer custom modifications, within reason, to many of the guitars and products we sell, ensuring they perfectly suit your unique requirements. If, for any reason, you’re not completely satisfied, please reach out to us before leaving feedback. Your happiness is our priority, and we’re here to ensure your musical journey is nothing short of exceptional. We’re here to address any concerns and ensure you have a positive experience with Tone House.