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.

The Rare Vintage Harman Kardon Ballad A230 Integrated Tube Amplifier is a highly sought-after piece for collectors and enthusiasts of vintage audio equipment. Made by the renowned brand Harman Kardon in the United States, this amp combines a sleek design with top-notch sound quality. The A230 model is known for its exceptional performance and is a rare find for those looking to add a piece of audio history to their collection. Unit is tested and working perfectly, pictures are of actual unit! 15 watts per channel into 8? (stereo). 3mV (MM), 300mV (line). Signal to noise ratio. 60dB (MM), 70dB (line). 1 x GZ34, 4 x EL84, 2 x ECC82, 3 x ECC83. 13-13/16 x 4-5/8 x 11-1/2 inches.

Untested – no power-on or signal testing performed. Vintage Stromberg-Carlson AR-37 tube amplifier paired with a Fisher preamp/equalizer. Both units are from the late-1940s to early-1950s era and were part of an early hi-fi/record-reproduction setup. The AR-37 is known for its 10-watt output, five-tube design, and built-in equalization network intended for pre-RIAA record curves. The Fisher preamp adds tone shaping and gain control typical of early Fisher engineering. Both units are untested. No power-on or functional checks were performed. They are offered AS-IS for parts, restoration, or display. Five-tube amplifier (6SN7GT, 6SN7GT, 6F6, 6F6, 5Y3GT). Rated around 10 watts output. Bass boost, treble attenuation, and compensation controls. Metal chassis design typical of late-40s Stromberg-Carlson engineering. Cosmetics show age-appropriate wear. No guarantee of completeness or functionality. No cables or accessories included. AI has added the following description after all the photos were loaded. ? Identification of Your Components. A Stromberg-Carlson chassis with a 50-60 cycle, 105-125V plate. A large power transformer and multiple octal tubes. A front panel with Fidelity / Treble / Bass / Volume controls. Serial numbers consistent with late 1940s-early 1950s SC sound equipment. This is not an AR-37. It appears to be a higher-power Stromberg-Carlson PA/Hi-Fi amp, likely in the 20-30 watt class, closer to models like the AMP-1, AMP-2, or AMP-24 family. These sell higher than AR-37 units because they have more output and better transformers. Early Fisher bird logo. Markings for AES, NARTB, LP, 800, etc. This is an early Fisher phono preamp/EQ, late 1940s-early 1950s. These are collectible because they predate the Fisher hi-fi receivers of the 1950s-60s. The wooden case with a handle and combined front panel is a period custom build. These were often used in. Collectors like these because they show real-world use and originality.

Unit powers on condition is unknown – I do not have the equipment or knowledge to fully test it safely. Cosmetically it shows normal wear from age and use including scratches, marks, dust, and handwritten markings around knobs. Interior appears largely complete from what I can see in the chassis. Please review all photos carefully for condition and completeness. Features dual meters, large tuning knobs, and original Heathkit styling. Great candidate for restoration, ham radio project, or parts donor.

Comes from a clean non-smoking home. This listing is for one Vintage Bell & Howell 6v6 Push-Pull Mono Block Tube Amplifier from a Filmosound 179 projector. These amplifiers are popular for modified guitar amp projects by big-name guitarists. Untested unit and untested tubes. If there is a difference between the item description and the photos, use the photos to resolve. Pictures are of the exact item(s) you will receive. Thanks for looking at our listing!

Cleaning up at my folks house.. This has been up in the attic for decades. Please review my pictures.. Untested but i did plug it in and tubes lit up and some stuff on the face did.

Sony SRA-3 Recording Vacuum Tube Amplifier in beautiful cosmetic condition, untested. The SONY SRA-3 Recording Vacuum Tube Amplifier is a vintage recording amplifier made by Sony, a classic addition to any home audio setup, offering a warm and rich sound quality. It’s historical value and the brand’s reputation make it a desirable collector’s item for audio enthusiasts. Feel free to ask any questions.

Hohner VINTAGE RARE 1960s Bartell Designed Contessa 55R 6L6 Tube Amp Head.

I’m letting go of a few things from from my collection, including this Precision Electronics PA25 vintage tube amplifier project. These make killer guitar amps! Can keep stock circuit, or chase F3nd3r or Dumbl3 circuits, etc. The amp is in good condition, and has an incredible look – needs typical updates like new. Servicing, desired mods/conversion – pictured tubes are included.