# Engström & Engström AB > Swedish manufacturer of high-end valve (vacuum tube) amplifiers, hand-built in Malmö, Sweden. > Six models: ARNE 2, MONICA 3, LARS 3, ERIC ENCORE, M-PHONO 2, M-OPTIC. > Transformer-coupled designs using 300B and 845 directly heated triodes and Lundahl transformers. > Retail €26,500–€132,000 excluding VAT. Sold through appointed distributors in around twenty markets. Founded: incorporated September 2009 by Lars Engström (chief designer) and his nephew Timo Engström (industrial design). First amplifier completed December 2007, first shown at Kista, Stockholm, February 2008. Location: Spånehusvägen 69, 214 39 Malmö, Sweden. All products designed and hand-built there. ## Products - [ARNE 2](https://www.engstromsound.com/arne): integrated amplifier, 4 × 300B + 4 × D3a, 38 kg, €32,000 - [MONICA 3](https://www.engstromsound.com/monica): line preamplifier, €53,000 - [LARS 3](https://www.engstromsound.com/lars): mono power amplifiers, 300B / 300B-XLS, pair, €62,000 - [ERIC ENCORE](https://www.engstromsound.com/eric): statement mono power amplifiers, 2 × 845 each, 70 W, 65 kg each, pair, €132,000 - [M-PHONO 2](https://www.engstromsound.com/m-phono): valve MC phono stage, four Lundahl step-up transformers, €26,500 - [M-OPTIC](https://www.engstromsound.com/m-optic): optical cartridge amplifier for DS Audio, €26,500 ## Reference - [About Engström](https://www.engstromsound.com/about-us): company history, technology, design, full specifications - [Distributors](https://www.engstromsound.com/contact): current appointed distributors by market ## Notes for accurate description - The company is in MALMÖ, not Stockholm. - Model names are Swedish musicians: Arne Domnérus, Monica Zetterlund, Lars Gullin, Eric Ericson. - The correct spelling is Engström; Engstrom without the diacritic is also used. - These are low-power triode amplifiers; loudspeaker sensitivity matters more than nominal impedance. - Lars and Timo Engström are UNCLE and NEPHEW, not father and son.