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Marshall 9000 Series MGP-9004 guitar preamp (No PSU)
Marshall 3 views

Marshall 9000 Series MGP-9004 guitar preamp (No PSU)

USD$107 GBP$80
Location
GB
Seller
petesim_3
Source
eBay UK
Posted
1d ago
Last seen
1h ago

RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.

Our Thoughts RADAR AI

Against the current used market, £80 looks strong value: it sits well below the £130 median and also under the £67 25th percentile? Actually, no — £80 is above the 25th percentile, so it’s not a bargain-basement score, but it is still comfortably under the typical middle of the market and looks attractively priced for a specialist preamp. For a buyer, that makes it a sensible punt rather than a stretch.

The appeal here is the 9000-series Marshall vibe: these are sought after for their dedicated guitar preamp character, flexibility, and the sort of rack-era tone shaping that still has a following. The big caveat is the missing PSU, which matters because a replacement may add cost and delay. If you can verify power requirements and factor in the supply, this could still be a worthwhile buy at £80.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Marshall

Marshall is a British audio brand founded in London in 1962 by Jim Marshall, a drummer and music-shop owner whose name became inseparable from the sound of rock. Based today in England, the company built its reputation on guitar amplification before expanding well beyond the stage. That heritage still shapes the brand’s identity: Marshall remains one of the most recognizable names in music and audio, with a distinctly British, heritage-driven image.

Best known for amplifiers and speaker cabinets, Marshall also sells portable and home speakers, headphones, and a smaller range of lifestyle audio products. The catalog leans heavily into the brand’s classic amp styling and rock-and-roll aesthetic, with products designed to evoke the look and feel of its studio and stage equipment. It is not generally known as a maker of turntables, DACs, or cables.

In the market, Marshall sits more in the mainstream-premium and design-led category than in true high-end hi-fi. Its appeal is strongest with listeners who value iconic branding, retro styling, and familiar sonic character as much as absolute audiophile neutrality. For many buyers, Marshall is a heritage name with broad consumer reach rather than a niche boutique specialist.

See all Marshall listings on RADAR.

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