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Ambience super slim 1800 Floorstanding Loudspeakers Ambience 1800 ribbon tweeter, original owner this was purchases directly from Tony the builder. Actually was my favourite speaker to use in my office with all various qualities of Music (hi and low res) Just plugged in and still enjoy the sound. There are a few scrapes and notches and the wooden side panels. But ok and could be tidied up cause its just stained wood. 1800 model, 1780mm tall x 260mm wide. Specifications and Dimensions: Crimped Metal Type Ribbon. 180mm SEAS long throw woofer. Rear ported bass reflex design. Nominal impedance
With unknown condition on these used Seas Ambience Super Slim 1800 floorstanders listed at AUD$1,500, that's a red flag pushing the price firmly into ambitious territory. Our recent comps for similar used Seas listings show a tight median of AUD$243 (25th-75th percentile spanning AUD$243-AUD$838), suggesting pristine examples rarely exceed AUD$1,000 even with original boxes. Without clear photos or usage history, this feels overpriced by 2-3x unless it's mint and low-hours.
Buyers, prioritise verifying the drivers—Seas mids/tweeters can foam-rot after 15+ years, so demand close-up pics and a listening test for distortion. Check for both grilles, spikes, and serial-matched pairs; missing accessories or mismatched impedance (nominally 6 ohms) could signal rebuilds or fakes. Skip unless seller proves originality.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
SEAS (Scandinavian Electro Acoustic Systems) is a Norwegian manufacturer with deep roots in European audio engineering. Founded in 1950 as a spin-off from the radio manufacturers Radionette and Tandberg, the company emerged from Jan Wessel's vision to produce loudspeaker drivers for his own radio sets. Designer C.C. Nørgaard Madsen joined as co-founder, bringing expertise that would establish SEAS as a leader in driver innovation. The company's heritage traces back further to the late 1920s, when Norwegian engineers at the Institute of Technology designed the first Norwegian electrodynamic loudspeaker drivers—a lineage SEAS has maintained for over seven decades.
SEAS specializes exclusively in loudspeaker drivers and finished loudspeakers, positioning itself as a pure-play audio component manufacturer rather than a diversified electronics brand. The company produces high-fidelity drivers across multiple ranges, including their Prestige, Excel, and Exotic product lines. Known for tailoring solutions to specific customer demands, SEAS has evolved from supplying standard drivers for consumer radio and television sets to crafting sophisticated components for the contemporary hi-fi market. The company has also expanded into the AV segment since 2011, establishing itself as an independent supplier of quality loudspeakers.
SEAS occupies a respected position in the mid-to-high-end audio market, valued for its exceptional quality-to-price ratio and engineering excellence. Based south of Oslo, the company maintains manufacturing capabilities and rigorous testing facilities, including an anechoic chamber. Among discerning hi-fi enthusiasts and professional integrators, SEAS commands recognition as a serious European driver manufacturer—neither mass-market nor ultra-premium, but rather a specialist brand where engineering integrity and acoustic performance drive product development.
See all Seas listings on RADAR.
