A forum name that became a Helsinki company.

Darkglass Electronics was founded in Helsinki in 2009. English Wikipedia and Bass Gear Magazine name two founders, both from Chile: Douglas Castro, who settled in Finland and ran the company as chief executive, and Hugo Villarroel, who stayed in Chile and handled sales and artist relations. Guitar World, reporting the company’s sale in 2022, described it simply as founded by Castro, so Villarroel’s role as co-founder is documented mainly by the bass press and Wikipedia.

The name came before the company. Castro told Bass Gear Magazine in 2015 that he had first used “darkglass” about a decade earlier as a forum name, when he was sharing his progressive-metal recordings online, and that it stood for an idea he called “isolated togetherness”: people can share and learn from one another at great depth, “but at the end we are by ourselves.” “All we see from and show others is what we chose to let us see, just like dark glass would,” he said. “You can almost see through but you really can’t. The name sounded cool, so it kind of stuck.”

By mid-2015 the company was small and spread across continents. Bass Gear Magazine described a “multi-national” team: Castro in Helsinki, “the official home of the brand”; Villarroel in Chile; a brand manager living in Australia; a marketing manager from Chile; and three people building the pedals in Finland. It had five pedals in production at the time — the Microtubes B3K, Microtubes B7K, Microtubes Vintage, Vintage Deluxe and the Duality Dual Fuzz Engine — and had just introduced the Tone Capsule, a preamp designed to be wired directly into a bass guitar. Castro described the mission plainly: to “create and make tools that help musicians sound better.”

Distortion first, then amplifiers.

Darkglass made its name with distortion for bass. Its first pedals, English Wikipedia says, were bass overdrives and fuzzes such as the Microtubes B3K and Microtubes Vintage, and, citing a 2015 review of the B3K in Bass Player, it notes that the pedal used CMOS-based clipping rather than the more typical diodes or LEDs. Premier Guitar reviewed the Duality Dual Fuzz Engine in October 2014. The Alpha Omega followed, with two distortion circuits that can be selected or blended with a single knob, as did the Super Symmetry compressor; the larger Microtubes B7K and Vintage Deluxe expanded the feature set, and the Ultra series gave the core distortions a second channel.

From pedals it moved to amplifiers. English Wikipedia names the Microtubes 500 and Infinity 500 heads; Guitar World in 2022 mentioned the Exponent 500 head and the ADAM distortion pedal; and the company added cabinets, combos and the Anagram, a floor unit that models amplifiers digitally. In April 2025 Bass Gear Magazine reviewed two combos that show both sides of the range: the Microtubes 500 Combo 210, an analog design priced at $1,229.99, and the Infinity 500 Combo 112, at $1,329.99, which relies on digital processing and connects to the company’s Darkglass Suite software by USB-C or Bluetooth. The reviewer called Darkglass “a sophisticated company with a keen eye for aesthetics.”

The circuits also live on in software. Neural DSP, the modelling company Castro left Darkglass to focus on, sells plug-ins based on Darkglass pedals — first Darkglass Ultra, modelled on the B7K Ultra and Vintage Ultra, and then Darkglass Ultimate, which adds effects and cabinet simulations, English Wikipedia says.

Design and documentation.

The seven makers here were founded across five decades. Gallien-Krueger is the oldest: Robert Gallien began building amplifiers in his garage in San Jose, California, in 1968, English Wikipedia says. It is now based in Stockton, California, and Wikipedia lists it as privately held.

Eden was founded in 1976 by David Nordschow in Montrose, Minnesota. English Wikipedia says it passed to U.S. Music Corporation in 2002 and to Marshall in 2011, and that in March 2021 the British retailer Gear4music bought the brand and its assets; it gives Eden’s headquarters as York.

Trace Elliot grew out of a music shop in Romford, Essex, at the end of the 1970s; English Wikipedia names Peavey Electronics Europe as its parent, and its products are listed on Peavey’s website. Ashdown was founded in 1997 by Mark Gooday, Trace Elliot’s former managing director, and is based at Heybridge in Essex; since July 2024 the UK companies register has recorded the French music group Algam as its controlling shareholder.

Hartke traces its aluminium-cone speakers to Larry Hartke and Ron Lorman, the company says, and its website carries the names of Samson Technologies and Samson Distribution. Aguilar speaks of its “deep New York City roots.” Darkglass was founded in Helsinki in 2009 by Douglas Castro and Hugo Villarroel, English Wikipedia says. Both now sit with Korg USA: it announced the acquisition of Aguilar in January 2021, and bought a controlling stake in Darkglass in May 2022, Guitar World reported.

This guide sets out what can be checked about each brand — who founded it, who owns it, and what it says about where its products are made — and marks clearly what rests only on the company’s own word.

“Designed and engineered in Finland.”

In May 2022 the company changed hands. Korg USA, which already distributed Darkglass in North America, bought a controlling stake for an undisclosed sum, Guitar World reported on 20 May 2022; Korg USA’s president, Joe Castronovo, said the deal was “aligned with our strategy to position Korg USA as a leader in the bass gear category.” Castro sold his stake and left the firm in the hands of Korg and its managing director, Marcos Barilatti; “as a former owner and now future user,” he said, he was sure “the best is yet to come.” English Wikipedia’s article on Korg dates the purchase to September 2022, but its own source is the May report, which we follow. The buyer was Korg’s American arm, which had taken over the New York bass-amp maker Aguilar in January 2021.

Where its products are made depends on the product. The company’s website describes “premium handmade bass gear designed and engineered in Finland” — wording that stops short of saying where everything is built. In 2015 Castro told Bass Gear Magazine that the pedals were built in Finland and that, for the Vintage Deluxe, “the chassis and all metalwork is done in Finland actually.” The magazine’s 2025 review, by contrast, listed both new combos as “Designed in Finland, manufactured in China.” The same review said Darkglass still operates in Helsinki with its own designers, engineers and production staff, many of them employed since before the Korg investment. Its website gives its legal name as Darkglass Electronics Oy.

Its look has drawn comment from reviewers: English Wikipedia credits the early pedals with “a sleek design aesthetic,” and Bass Gear Magazine called it “remarkably mature.” Its website sets type in Montserrat. We found no published brand guidelines, so the palette here is our own.

For a design guide, Darkglass shows how a name chosen for a mood can become a whole identity. Compare Neural DSP, Castro’s own modelling company, also in Helsinki, and Aguilar, its Korg USA stablemate in New York. For this guide we use a smoked charcoal, a frost and an amber with a sans, an unofficial interpretation; no product or logo is reproduced.

Keep Darkglass’s identity on hand — save it to a board in the Made Good inspiration library.