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ES LAB ES LAB EHT-7 Headphone Amplifier Selling ES Lab EHT 7 electrostatic energiser for Stax headphonesJapanese Transformerwith original box bought in Dec 2025selling due to upgrade to tube amp can send by post by Australian post Condition: As New / Mint Payment Method: cash/ bank transfer Region/State: (NSW) New South Wales/Australia By medjohn 0 Comments AUD $900 Date: January 1Jan 1
At A$900 for a like‑new unit, this ES Lab EHT‑7 is a genuine bargain, sitting well below the typical used range of roughly A$1,100–A$1,600. The EHT‑7 is a respected electrostatic headphone amplifier/converter known for its clean, low‑noise drive and excellent transparency, with two transformer variants: a “Japanese”‑transformer version with an 8/16 Ω input switch (MSRP ~A$1,050) and a premium Lundahl‑transformer version without the switch (MSRP ~A$1,500). Used listings in Taiwan have appeared around NT$28,800–NT$39,800, which converts to approximately A$1,350–A$1,850, confirming that A$900 is well under the median.
This is a strong buy because the EHT‑7 delivers polished electrostatic performance at a fraction of the cost of big‑name electrostatic systems, and the like‑new condition suggests minimal wear and likely original accessories. If you can confirm which transformer version you’re getting, the Lundahl variant adds extra appeal for its premium components, but even the Japanese‑transformer version is a capable, well‑regarded entry into electrostatic listening. With no red flags in the listing and a price that’s a clear deal, it’s a timely opportunity to grab a quality electrostatic amp without stretching your budget.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
ES Lab is a Hong Kong boutique brand built around electrostatic headphone design and restoration, with roots in years of repairing discontinued Stax models before moving into its own products. The company is closely associated with Benson, the technician-turned-founder most often credited in coverage of the brand, though publicly available information on the exact founding details is limited.
Its focus is unusually narrow: ES Lab is known primarily for electrostatic headphones and related repair work, not for a broad lineup of amplifiers, speakers, DACs, or turntables. Reported models include the ES-1a / ES-1 alpha, ES-2a, and other electrostatic designs that reference classic Stax and Sony forms, with some products using repurposed or custom electrostatic drivers.
In market terms, ES Lab sits in the niche boutique high-end segment. Its products are aimed at serious headphone enthusiasts who value rare electrostatic performance, vintage-inspired industrial design, and hand-built craftsmanship, rather than mass-market buyers. Review coverage consistently frames the brand as small-scale, specialist, and premium-priced, with a strong appeal to collector-minded audiophiles and electrostatic devotees.
See all ES Lab listings on RADAR.
