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Condition is unknown, but at £4,299 this sits below the £4,419 25th percentile and well under the £4,539 median of your recent UK comparables, so it reads as a strong deal rather than a merely fair one. It is also comfortably below the £4,659 75th percentile, which leaves some room for negotiation if there’s no service history or accessories.
The Jumbo Shrimp is well liked for its clean, high-headroom tube line stage sound, with enough drive to suit serious systems while keeping the presentation smooth and open. For a buyer, the upside is mainly in the pedigree and relative rarity: if the valves are healthy and it’s been cared for properly, this is the kind of preamp that can anchor a system for years. If anything is missing, or if it hasn’t been checked recently, I’d want that reflected in the price or confirmed before buying.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Manley Laboratories emerged in the late 1980s in Chino, California, as a collaboration between EveAnna Manley and her then-husband, David Manley, founder of Vacuum Tube Logic (VTL). Their initial offerings were high-fidelity vacuum tube amplifiers and preamplifiers, hand-built at VTL's facility. By 1989, the brand expanded into professional audio with the Reference 60dB Microphone Preamplifier, followed by iconic equalizers and microphones debuted at the 1990 AES Show. In 1993, Manley became an independent entity, operating from its Chino factory until 2025, where custom transformers became a signature of its warm, detailed sound.
The company specializes in premium tube-based audio gear, spanning professional studio tools like the VOXBOX channel strip, Massive Passive EQ, Variable Mu compressor, and Reference microphones, alongside hi-fi amplifiers, preamplifiers, and equalizers. All products feature in-house design, assembly, and quality control, emphasizing analog purity over digital conveniences such as speakers, turntables, DACs, headphones, or cables.
Manley holds a commanding position in the high-end boutique market, revered by recording engineers and audiophiles for its rich tonal character, uncompromising build quality, and iconic styling. Trusted in top studios worldwide, its gear commands premium prices and a devoted following, recently transitioning under new ownership by audio veteran Dirk Ulrich in 2025 while upholding its American-made legacy.
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