Vintage Tube Amp

Comes with two of everything. Everything powers on and the tubes light up. That’s all the testing that was done.

Vintage Eico Tube Amplifier Model 32 Powers On and Tubes Light Up.

The HTF-90 and the MX99 lit up when plugged in and appear to get power. The HFT-94 does not appear to get power. That is the extent of my testing.

For Parts or Repair – See Description. Up for sale is a vintage Eico HF-20 20-watt tube amplifier. This unit powers on and passes a tone signal, but it has a noticeable hum and low output, so it will require service. Powers up, but has hum and low output. Many capacitors appear to have been replaced. All tubes are present, including. Two original Eico-branded 6L6 tubes. Knobs and top cover. For parts or repair only. This is a great candidate for restoration or salvage for parts. If you need more pictures or information, please let me know. The item will be securely packed to ensure safe transit.

This vintage amp is in good condition for the most part. The knobs have aged pretty poorly, but they should clean up fine. I did not even plug this in, in fear of hurting something. I also do not trust the power cord. Please feel free to ask any questions and throw me an offer.

Vintage Eico HF-20 TUBE AUDIO AMPLIFIER 6L6 G Hammond 290CX Fixed Power Amp 14W gsaudioinc. This item comes in the condition shown in the photos and video. This is in very nice cosmetic condition. The power transformer has been replaced with a current Hammond 290CX. The operation has been change to operate a as fixed power amplifier with no tone input, or attenuation control. We can probably put it back to original operation, but it would be pricey. We always provide accurate descriptions and explanations to the best of our ability. The item in the photographs is the one that you will receive. If the ad has multiple quantities, the picture is representative of a representative item. There may be slight cosmetic differences but no functional differences. Please reach out if you have any questions. We will try to answer them as quickly as possible. We still stand behind everything we sell. The picture is of a representative thing if the ad has multiple quantities. Your item will include contact information and all claims will be resolved quickly and professionally. GS Audio is a small business located in Colorado. We provide a full service electronics repair facility through The Sound Shop in Colorado Springs, with over 40 years of experience repairing and restoring home and professional audio equipment. We are a 2nd chance employer working with ex offenders to reintegrate them back into the work force.

Up for sale here is this single vintage Eico HF-14 tube amplifier, with serial number 2109. This came from a local tube guy, and came to me just as you see it. This has a fair amount of rust, which you can see in the pictures. There is no bottom cover or top cage/cover. The tubes are not included, but the tube shield/cover for the 12AX7 is included. I will guarantee the transformers to be good. If you have any questions, please ask. I have more amplifiers and other vintage electronics listed–feel free to take a look!

Eico HF-20 Tube Amplifier (2 monoblock included) tested – works but needs replacement of capacitors and some work. Transformers work quietly and do not heat up.

One Pair Eico HF-14 Tube Amplifiers. Measures 13″ x 4 1/2″ x 4. Total net weight 14.6 lbs/6.6kg. This pair appears to be all stock and original inside and outside. Has not been used in years. Electrolytics inside needs to be replaced for sure. Cosmetically in average condition. Some rust on transformers. Tubes layout are 2 x EL84, 1 x 12AX7 and 1 x EZ81. Also one rubber feet is missing at the bottom. Thank You and Good Luck.

This a Great estate sale find, it is an EICO HF20 Monoblock Audio Amplifier. It is in Excellent working condition, with two 12AX7 preamp tubes. This amplifier has been in storage for fourteen years. It belonged to the owner of a high end audio transformer company. It is a kit build, very cleanly done, but the storage had taken its toll. All of the tubes were gone and I’ve replaced them. I have not cleaned the rust or corrosion off of the amplifier, that’s up to you to do and you can do as much or as little as you desire. What we’re talking about there is cosmetics, this amp it sounds great; all of the pots and switches have been cleaned, and the voltages checked. The amplifier is an Ultra-Linear Williamson type, with a 20 watt output. The preamplifier/equalization section uses inverse feedback allowing it to match the low distortion of the power amplifier. Bass and Treble EQ is ±15db. It has outputs for 4, 8, and 16? , plus a Tape Recorder output. There are seven inputs, two Phono with Equalization, Tuner and four high level jacks. The amp weighs 24 lbs. A copy of the manual and assembly instructions is included. I played it for six hours; it had no glitches, no smoke and a wonderful sound. If you need more pictures or information please let me know.