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From Mixers to Amps

Kenneth and Dan When Kenneth Andersson and Dan Bävholm first met in their hometown of Kungsbacka, they were still young schoolboys who shared a passion for electronic tinkering. After absorbing the fundamentals of electronics from library books, they scavenged parts from old radio and TV sets in order to construct their own new devices. Neither youth was musically inclined, but mutual friends referred them to local musicians who were seeking quality equipment at low cost. The first products — hand-made audio mixers — were good-sounding and durable, and they were sold for less than the mass-produced models of the day. (The teenage builders were willing to work with essentially no profit margin.)

Their intermittent manufacture of mixers and guitar amplifiers continued through the formal establishment of Lab.gruppen in 1979. The company was originally located inside a local hi-fi store, where the duo serviced consumer equipment for additional income. In the meantime, they continued to develop new products such as the AXE-AMP and SS 300 power amplifier.

Shown here is Lab.gruppen’s original accounting ledger. The first two entries show Kenneth and Dan’s initial capital injection of 1000 SEK each. This is the only personal investment they ever made! By the way the third entry is for the purchase of a cash box!! The AXE-AMP featured a tube (valve) overdrive circuit combined with a low-noise solid-state preamplifier.

Famed Texas blues guitarist Johnny Winter was an enthusiastic user of an AXE-AMP. He is shown here with Lab.gruppen co-founder Dan Bävholm in a photo from 1981. The poster headline reads, ”The best qualities of Tube and Transistor amplifiers in the same cabinet!” The new, in-house designed power stage — doubled for stereo format — was incorporated into the first Lab.gruppen power amplifier, the SS 300.

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