EICO HF-32 vintage tube amplifier, a classic American hi-fi integrated amp from the golden age of vacuum tube audio. Known for its warm analog sound and strong restoration potential, this unit is highly sought after by tube audio enthusiasts, collectors, and DIY restorers. Manufactured by Electronic Instrument Co. In the USA, the HF-32 remains a staple in vintage hi-fi systems. Type: Tube Integrated Amplifier. Inputs: AUX, Tuner, Tape, Phono. Speaker Outputs: 8? / 16? Note: This listing is for the HF-32 Tube Amplifier only. Up for sale is a vintage EICO HF-32 tube amplifier, a classic piece of American hi-fi history. These amplifiers are well regarded for their warm tube sound and are popular among collectors and restoration enthusiasts. This unit presents well with original knobs and faceplate, showing normal wear consistent with age. Also available separately: matching EICO HF-90 FM tuner. Check out my tuner listing if you’re looking to complete the set. The EICO HF-32 is a respected entry point into vintage tube audio, offering strong performance when restored and a timeless mid-century design.
EICO HF-81 Integrated Tube Amplifier – Restoration Candidate – Working Iron. Some units are plug-and-play. This is not one of them. This EICO HF-81 is a largely original example and should be viewed as a restoration project. The transformers appear healthy, but the amplifier will require electronic servicing for stable, long-term operation. This is for someone who will selectively change parts for stability but retain the sonic character the HF-81 is famous for. Operational Status (Please Read Carefully). Powered up slowly on a Variac. Output transformers pass signal. Video included demonstrating that both channels produce output. One channel is weaker and exhibits distortion. The stronger channel distorts at high volume. Power switch (integrated into treble knob) does not function properly. Unit is likely running on original capacitors. Given its age, full recap and restoration is recommended before regular use. Tube Complement (Installed & Working). The original Eico factory installed tubes tested weak or shorted and were replaced with. Quad Sylvania EL84 / 6BQ5 – New old stock (NOS) and new in box (NIB). Tubes are functional, but the distortion issue suggests underlying circuit components (likely caps or resistors) require attention. Classic gold faceplate with vintage wear. Appears largely unmodified internally (based on current inspection). Why This Is Worth Restoring. The HF-81 is widely regarded as one of the most musical EL84 integrated amplifiers ever made. Properly restored examples command strong market value and are known for. Balanced push-pull EL84 output. Highly respected transformer set. The transformers are the heart of these units – and this one passes signal. Collector seeking original platform for rebuild. If you’re looking for a fully restored, daily-use amp, this is not that listing. If you want a strong foundation with working iron and upside potential, this is an excellent candidate. Will require recap and service. Distortion present in one channel. Power switch requires repair. See video for operational demonstration.
EICO HF-90 vintage FM tube tuner, a classic American hi-fi component from the golden era of vacuum tube audio. Manufactured by Electronic Instrument Co. In the USA, this tuner is sought after by collectors and restoration enthusiasts for its period-correct design and compatibility with vintage tube amplifier systems. Ideal for pairing with classic integrated amps such as the EICO HF-32. Type: FM Tube Tuner. Output: Audio line output. Note: This listing is for the EICO HF-90 FM Tube Tuner only. Vintage EICO HF-90 FM tube tuner, a classic piece of American hi-fi history. Designed to pair with tube amplifiers, this tuner offers a timeless mid-century look and is a great candidate for restoration or integration into a vintage audio system. Cosmetically solid with original components and dial. Shows normal wear consistent with age. Unit has not been powered on or tested. Looking for the matching amplifier? Check out my tube amp listing for the EICO HF-32 to pair with this tuner. The HF-90 is a well-regarded tuner among vintage hi-fi enthusiasts and is commonly paired with EICO tube amplifiers to complete a period-correct system.
EICO HF-89 stereo tube amplifier – Complete bench test and serviced. This amplifier includes everything as shown including all tubes, Wireworld power cord, speaker wire adaptors, and even a bottom plate not shown in photos. Note that all capacitors and resistors were replaced as needed by a qualified technician. Also note that RCA inputs were added. In my opinion this updated vintage factory built amplifier betters most attempts to copy vintage gear and by far betters Chinese attempts.
EICO HF-12 Mono Integrated Tube Amplifier – Modified, Tested, Great Sound. A classic mono integrated amplifier from EICO’s golden era, the HF-12 is well regarded for its musical EL84 output stage and straightforward, no-nonsense design. Tested and fully functional at time of evaluation. Modified to use a solid-state rectifier in place of the original EZ81 tube. Provides more stable operation and consistent voltage. Evidence suggests some of the capacitors were replaced in the past by the prior owner. Exact timing and scope of this work are unknown, but several current capacitors do not look like original factory capacitors. A full recap is recommended for long term reliability. Three 12AX7 tubes (installed and included). Brand may vary but all tested strong, no shorts and gas detected. Old tubes were all replaced for reliable performance. Classic EICO iron and EL84 sound signature. Strong, engaging mono presentation-excellent for vintage speakers. Clean cosmetics consistent with age. Some corrosion typical of age. Solid platform for continued enjoyment or future restoration. This is a vintage tube amplifier.
Correction: This amplifier is an EICO HF-32, not an HF-81. The listing has been updated accordingly. Vintage EICO HF-32 integrated tube amplifier paired with matching HFT-90 FM tuner, classic American hi-fi components from the golden age of tube audio. Featuring mid-century industrial design, point-to-point tube architecture, and collector-grade aesthetics, this untested EICO amplifier and tuner set is ideal for vintage audio restorers, tube amp collectors, and enthusiasts seeking authentic 1950s-1960s high-fidelity equipment. Models: HF-32 Integrated Amplifier & HFT-90 FM Tuner. Model identification has been carefully verified against chassis markings and faceplate labeling. Era: Late 1950s-Early 1960s. Type: Vacuum tube hi-fi components. Condition: Untested / As-Found. Included: Amplifier + Tuner only (no accessories). Stereo (2-channel integrated amplifier). Country of Manufacture: United States. Some machines are built to be used. Others are built to be. This pair belongs to the latter. The EICO HF-32 is a well-regarded integrated tube amplifier from the American hi-fi era, appreciated for its musical warmth, straightforward design, and the unmistakable character that early tube circuits deliver. It is the sound of living rooms where jazz records spun late into the night, where voices came through the air with presence and humanity, not compression. Paired beside it is the EICO HFT-90 FM Tuner, a companion piece that completes the picture – a reminder of a time when radio was not background noise, but an event. Together, they form a visual and historical symmetry that collectors seek but rarely find intact. Look closely and you’ll see the story written in metal and paper: the perforated steel cages, the understated typography, the surviving schematic labels still clinging to the underside like handwritten notes left behind by the engineers who built them. They are the difference between equipment and artifact. This set has not been powered on. Tube audio collectors understand that preservation comes before assumption, that restoration is a personal journey best left to the next steward. What is offered here is honesty – untouched, unaltered, and ready for the hands of someone who understands what they are holding. This is not a shortcut to sound. It is an invitation to history. Professionally packed with care appropriate for vintage electronics. The HF-32 occupies a respected place in EICO’s tube amplifier lineup for a reason. HF-32 is often spoken of in reverent tones for a reason. It occupies that rare intersection of engineering excellence, musicality, and aesthetic restraint that modern equipment rarely attempts. When paired with its matching tuner, it transcends utility and becomes a statement – a moment frozen in the golden age of American hi-fi. Opportunities to acquire a matching EICO amplifier and tuner pair, preserved in this state, do not present themselves often. This is a piece for the collector who values authenticity over convenience, and legacy over immediacy. Collectors familiar with EICO’s lineup will recognize exactly where this piece fits.
Cosmetically in good shape but shows signs of its age. It will be well packaged very well. The Eico HF 81 Vacuum Tube Stereo Integrated Amplifier is a vintage audio component that offers a classic sound experience. This unit, designed by EICO, is a tube amplifier with the model number Eico HF 81. While untested, this piece of vintage electronics holds the potential to deliver high-quality audio performance and add a touch of nostalgia to any audio setup. The included manual provides insight into the operation and maintenance of this unique amplifier, making it a valuable addition to a vintage audio collection for audiophiles and collectors alike.
Cosmetically in good shape but shows signs of its age. It will be well packaged very well. The Eico HF 81 Vacuum Tube Stereo Integrated Amplifier is a vintage audio component that offers a classic sound experience. This unit, designed by EICO, is a tube amplifier with the model number Eico HF 81. While untested, this piece of vintage electronics holds the potential to deliver high-quality audio performance and add a touch of nostalgia to any audio setup. The included manual provides insight into the operation and maintenance of this unique amplifier, making it a valuable addition to a vintage audio collection for audiophiles and collectors alike.
This is for a vintage Eico model HF-20 mono tube amplifier which uses a pair of 6L6 output tubes. It has various EQ curves for correctly playing various brands of 78 RPM records. It weighs approximately 23 lbs. It has NOT been tested, and will require restoration before use (new capacitors at a minimum). It appears to be complete, and original inside. You will receive the amplifier shown.
Eico HF-87 stereo amplifier that will require 4x EL34, 2x 6SN7GT and one 12AX7 tubes. No tubes or cage are included. This unit is stamped by Eico on the underside of the chassis so it leads one to believe this unit was factory built. I see capacitors and resistors were replaced sometime in the past and a surge protector was added. I used my spare tubes to test and it sounds great, no hum. This weighs 31 lbs.
