RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
At £135, this LEAK Stereo delta 70 is a strong deal, sitting well below the 25th percentile (£144) of recent GBP comparables and the median (£171) from our listings database. While some older forums suggest working units can appear near £50, the current market anchors firmly higher, making this £135 asking price a genuine bargain for a verified model.
The Delta 70 remains well-regarded for its warm, musical British sound and robust build, offering 10–15W of clean power ideal for vintage speakers or small rooms. Buying now at this price gives you upside on rarity and potential original-owner condition, especially if accessories are included. With no material caveats triggered by this low price, it’s a clear buying opportunity for enthusiasts seeking authentic vintage tone without the usual premium.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Founded in 1934 by Harold Joseph Leak in London, England, LEAK emerged as a pioneering force in British hi-fi, initially crafting public address systems and cinema amplifiers before pivoting to high-fidelity home audio amid post-war innovation. With engineer Ted Ashley's contributions, the brand rode the 1950s hi-fi boom, producing landmark valve amplifiers like the TL/12 series, which set benchmarks for low distortion and performance, establishing LEAK as a global leader in affordable excellence.
LEAK specialized in integrated amplifiers, such as the iconic Stereo 20, Stereo 30, and Stereo 50, alongside innovative loudspeakers featuring the patented "Sandwich" foam-core drivers for precise bass and clarity. The lineup extended to radio tuners, pickups, tonearms, and turntables, blending valve warmth with emerging transistor tech to dominate the stereo era.
Acquired by the Rank Organisation in 1969 and dormant by the late 1970s amid Japanese competition, LEAK's revival under the IAG Group since 2020 honors its heritage with modern classics like the Stereo 130 and 230 integrated amplifiers, plus CD transports and streamers. Revered by vintage collectors for cult models like the Stereo 30, it holds mid-tier prestige today—delivering high-end British sound at accessible prices for discerning buyers seeking timeless refinement.
See all LEAK Stereo listings on RADAR.
