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For sale is a classic Conrad-Johnson MF 2100 stereo power amplifier, recently fully restored and professionally re-capped, bringing this legendary amplifier back to peak performance.The MF 2100 is well known for its rich, musical presentation, excellent midrange warmth, and powerful, controlled bass—an ideal match for a wide range of speakers.HighlightsFully restored & re-cappedExcellent working conditionOriginal factory box includedClassic Conrad-Johnson build quality and soundClean, well-cared-for unit from a smoke-free environmentSpecificationsPower output: 100 W per channel @ 8 ohmsHigh current design, stable into difficult loadsDual mono constructionMade in USACosmetically in very good condition for its age, with only minor signs of normal use. This amplifier has many years of reliable service ahead and delivers the unmistakable Conrad-Johnson sonic character that has made these units so sought after.Pickup preferred, but shipping can be arranged at buyer’s expense.Located in Quebec, Canada.Feel free to message me through CAM with any questions or to discuss serious offers.Feel free to message me here on cam or contact me directly at 514-737-4531For any additional Info by Email put to the Att : DanFor a shipping quote I need your full addressShipping not includedNo TradesDuties ,Brokerage ,Any type of Custom fees not included
The unknown condition on this Conrad-Johnson MF2100 at USD1,268 keeps it from being a slam-dunk buy, but the price still looks like a bargain against our database of 7 recent comparable used listings—median USD8,000, with the 25th percentile at USD1,158 and 75th at USD17,997. Fully restored/recapped examples often push toward the higher end, so if it's truly plug-and-play with no hidden gremlins, you're stealing it; otherwise, it's fairly priced at the low quartile for a quick flip or project.
Before biting, verify the recap quality—ask for receipts on capacitors and any bias adjustments, as these old beasts suffer from drifted output stage values leading to channel imbalance. Confirm the original box includes the manual and power cord, and test for hum or thermal runaway on both channels; at 30+ years old, even "restored" units can hide tube socket wear.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Conrad-Johnson emerged in the mid-1970s from the dissatisfaction of two American economists and audiophiles, Dr. William Conrad and Dr. Lewis Johnson, with the inconsistent performance of contemporary amplifiers. Founded in the United States, the company launched its inaugural product, the all-vacuum-tube PV-1 preamplifier, in 1977, quickly earning critical acclaim and establishing a benchmark for musicality. This debut propelled Conrad-Johnson into the forefront of the tube renaissance, with the iconic MV75 power amplifier following in 1978, solidifying its heritage as a pioneer in high-end audio craftsmanship.
The brand specializes in vacuum-tube preamplifiers and power amplifiers, renowned for their warm, engaging sound that prioritizes musical satisfaction over sterile measurements. While tube designs remain its cornerstone, Conrad-Johnson expanded into solid-state amplifiers and phonostages in the 1980s, alongside limited ventures like the Sonographe turntable line and electronics acquired in the late 1980s. All components are hand-built in the USA using simple circuits and premium custom parts, reflecting over four decades of refined design philosophy.
Conrad-Johnson holds an exalted position in the high-end market as an American classic, beloved by audiophiles for gear that "just sounds right." Its products command lust among enthusiasts worldwide, blending vintage appeal with sustained relevance, and consistently rank among the most musically rewarding options available.
See all Conrad-Johnson listings on RADAR.
