Jim Kelley  was a small manufacturer of boutique amps who started his business in the late 70ies. He started with only one amp model, a single channel amp with 6 tubes and just 3 knobs. The  later dual channel was still based on this model. Compared to other boutique amp that were favourits at that time – namely Mesa Boogie or Dumble – the Kelley amps followed a different approach. […]