Expired
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Excellent condition rare amplifier. Fully working with original packaging and CJ power cable.
The listing title mislabels the item as a “Power Cable,” but the details and comparable sales confirm this is the Conrad-Johnson Premier 350SA stereo amplifier in excellent condition, making the £3,200 asking price ambitious yet justifiable. It sits just below the 75th percentile of £3,426 from 47 recent GBP listings, where the median is £1,784, so this is a fair-to-high-market price for a pristine unit, not a bargain.
This amplifier is a revered first solid-state Premier model, delivering 350Wpc into 8 ohms and up to 600Wpc into 4 ohms with exceptional current capability (66A peak), making it ideal for demanding speakers. Its excellent condition and high power reserve offer meaningful upside for buyers seeking a rare, high-performance solid-state amp that bridges the gap between CJ’s tube heritage and modern drive, especially if original-owner quality is confirmed.
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.
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