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Plinius Sa250 mk iv Power Amplifier This is the Plinius mkiv, the last one made by the legendary Peter Thompson. 250w power and 100w class A power. no box. Pick up only unless you want to use pack and send, I can help out that’ way Condition: Excellent Payment Method: PayPal, eft, cash Region/State: (NSW) New South Wales/Australia By marinemania2002 1 Comments AUD $5,200 Date: March 9, 20251 yr
Is A$5,200 a smart entry for this Plinius SA250 Mk IV, or just market noise? The asking price sits slightly above the median of A$4,736 from your two recent AUD comparables, landing between the 75th percentile (A$4,902) and the top of that range, so it’s ambitious but not absurd for excellent condition. Given the 25th–75th spread (A$4,569 to A$4,902), this is a fair—if not bargain—price, reflecting the seller’s confidence in the unit’s state.
This Kiwi-made brute is well-regarded for its massive current delivery, smooth Class A warmth, and rock-solid build, delivering 250Wpc into 8 ohms with bridged mono power up to 900W. Its 57kg chassis and original-owner condition suggest minimal wear, and at A$5,200, it’s a credible buy for those seeking dynamic, authoritative sound without the Reference-model price tag. No red flags here; just a solid opportunity for a serious listener.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Plinius Audio: New Zealand's Amplifier Specialist
Plinius Audio Systems was established in 1980 by Peter Thomson, a mechanical engineer based in New Zealand who developed a passion for high-fidelity amplifier design. The company gained rapid recognition within its home market and solidified its position through a 1987 merger with Craft Audio Limited, bringing designer Gary Morrison into the fold. This partnership proved pivotal, establishing Audible Technologies Limited as the production entity and introducing the asymmetrical circuit design philosophy that would define the brand's engineering approach. Today, Plinius remains headquartered in Christchurch, New Zealand, where all design, manufacturing, and marketing operations are conducted in-house.
Plinius has built its reputation almost exclusively around power amplifiers and preamplifiers, with particular acclaim for their Class A designs. The company's product lineage spans from early dual-mono configurations in the 1980s through sophisticated monoblock amplifiers and refined preamp stages. Their engineering ethos emphasizes meticulous hand-assembly and attention to sonic detail, with each unit individually built by dedicated craftspeople. This focused product strategy—rather than diversifying into speakers, digital sources, or accessories—reflects the brand's deep specialization in amplification.
Positioned as a high-end, boutique manufacturer, Plinius commands respect among serious audiophiles despite limited mainstream visibility outside New Zealand and select international markets. The brand is recognized for producing powerful, sophisticated amplifiers that prioritize sonic purity and engineering integrity over mass-market appeal. While once more prominent in enthusiast circles, Plinius maintains its standing as a niche, quality-focused producer valued by discerning listeners who prioritize amplifier excellence and New Zealand craftsmanship.
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