Vintage Eico HF-20 Tube Audio Amplifier – for parts / not working Experience the vintage charm and impeccable sound quality of the Eico HF-20 Tube Audio Amplifier. This tube amplifier is a true classic and is perfect for collectors and enthusiasts who are looking for a restoration project.
Estate Find, older couple downsizing. They said they haven’t used the stereo in years but it was magic when they did. You get the pair of Eico HF-60 power amps. See photos, what you see is what you get. I have a HK Citation IV preamp listed that was part of this stereo. I did not try to plug these in to test. Tubes will be removed and packed securely. Close serial numbers 7379, 7381.
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.
EICO 2080 Tube Amplifier – Vintage 1970s USA. The EICO 2080 is a classic tube amplifier manufactured in the United States in the 1970s by the renowned EICO company. This vintage audio component delivers a warm, nostalgic sound that perfectly complements any retro audio setup. It’s an excellent choice for collectors and audio enthusiasts who appreciate authentic tube amplifier character and build quality. Some of the tubes are original and labeled EICO. The amplifier has been tested and adjusted. I have not replaced any of the original resistors or capacitors. The unit is in working condition, all the four 7591 tubes are in the best performance and proper channel balance. ? Please review all the photos carefully for details of the item’s condition. ? Feel free to message me if you have any questions. ? Serious buyers only.
OPEN TO FAIR OFFFERS. The listing price is for a. EICO HF-60 Mono Tube Amplifiers based on EL34/6CA7 Tubes. No tubes are included. The tubes shown are for testing only; not included. The output transformers are the sough-after Acrosound TO-330 As far as I can tell, they are in original configuration. I hooked them up on a variac, set up to 80v. Both powered up OK. One amp generated hum sound but did pass music through to the connected speaker. The other didn’t produce music nor hum. On this amp, the connected speaker did produce cracking noise as I wiggle the small tubes. So, at least, the output and power transformers are all good. By visual inspection, I can tell they are reasonably nice; no signs of abuse, burn, damage. Shot me any questions and I’ll try to answer. I have other audio equipment, like. Accuphase, Acurus, Adcom, Aragon, Arcam, Audio Research, Audioquest, Ayre, B&K, B&O, Bang Olufson, B&W, Bowers Wilkins, Bryston, California Audio Labs, Cary, Classe, Cambridge, Carver, Conrad Johnson, Creek, Denon, Dynaco, Dynaudio, Goldmund, Infinity, Jadis, JBL, Jolida, JM Lab, Kef, Kimber, Klipsch, Krell, Levinson, Lexicon, Linn, Marantz, Martin Logan, Mccormack, Mcintosh, Meridian, MIT, Musical Fidelity, Music Hall, NAD, Naim, Nakamichi, NHT, Paradigm, Parasound, Pass, Pioneer, Proceed, PS Audio, PSB, Quad, Rega, Revel, Rotel, Rowland, Sonic Frontiers, Sonus Faber, Spendor, Sunfire, Tandberg, Tannoy, Theta, Thiel, Threshold, Totem, Transparent, Vandersteen, Vmps, VPI, VTL, Velodyne. AR, Audio, Audiophile, Amplifier, Amps, Arcam, Acurus, Aragon, Adcom, ADS, Advent, Bose, Boston, Beovox, Bryston, Bedini, B&K, B&0, B&W, Bowers & Wilkins, Celestion, Counterpoint, Canton, Cello, Creek, Cerwin Vega, Dahlquist, Denon, Dcm, Dynaco, Dynaudio, Ess, Spica, Epicure, Ensemble, Electrostatic, Elite, Fisher, Fosgate, Harman kardon, Harbeth, Integra, Infinity, JBL, Jadis, Jolida, Linn, Luxman, KEF, Klipsch, KLH, Krell, Kenwood, Martin Logan, McIntosh, Mirage, Mission, Monitor Audio, Nad, Onkyo, Paradigm, Proac, Sony, Pioneer, Polk-Audio, Preamplifier, Quad, Rogers, Rotel, Rega, Stanton, Speakers, Audio, Stereo, Studio, Vandersteen,, Snell, Spendor, Thorens, Vandersteen, Wharfedale, Yamaha, Speakers, Turntable, M&K, Accuphase, Dali, Wilson Audio, Sonus Faber, Definitive Technology, PSB, NHT, Magnepan, Eminent Technology, Monitor Audio, Vienna Acoustic, Meridian, Behringer, Acoustat, Genesis, Opera, Mirage, Energy, Pinnacle, Musical Fidelity, Sonic Frontiers, Cambridge Audio, Sunfire, Velodyne, SVS, HSU Research, Audio Research, Tannoy, Subwoofer, McCormack, Meadowlark, Conrad Johnson, Parasound, Magneplanar, Audible Illusions, Mark Levinson, Vintage, REL, Revel, Nakamichi, ESS, Emotiva.
