KEP Bluetone Overdrive Pedal – Bluesbreaker KOT Style Overdrive

The KEP Bluetone Overdrive Pedal is a handmade overdrive pedal modeled after the Marshall Bluesbreaker circuit with modifications drawn from Analogman’s King of Tone, built in a durable 1590B enclosure (4.425″ L x 2.382″ W). It adds gain and a larger input capacitor for a more balanced tone; internal presence trim adjusts tone response. An external toggle selects hard clipping (NOS 1S1588 diodes), soft clipping (BAS33), both, or neither. JRC4580 op-amp, Lumberg jacks. Hand-soldered, true bypass relay switching built to hold up under regular use.

Once assembled, each pedal is played through a looper pedal for several hours before it ships to confirm reliable, consistent performance. Not affiliated with, sponsored by, or endorsed by Marshall Amplification or Analogman.

$89.95

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The Bluesbreaker & King of Tone Story:

The name traces to 1966, when Eric Clapton recorded John Mayall’s Bluesbreakers album through a Marshall JTM45 combo nicknamed “the Bluesbreaker.”[1] Marshall released a pedal version in 1991 that sold poorly and was discontinued — until John Mayer’s use of one during the mid-2000s Continuum era revived demand.[2] Around the same time, Analogman’s Mike Piera worked with The Band’s Jim Weider to develop a modified, dual-circuit version released in 2003 as the King of Tone.[3][4]

Sources:

  1. Delicious Audio — “The 14 Best Blues Breaker-Style Pedals” — https://delicious-audio.com/best-blues-breaker-style-pedals/
  2. Equipboard — “Marshall BluesBreaker: The Transparent Overdrive Legend” — https://equipboard.com/posts/marshall-blues-breaker
  3. Wikipedia — “King of Tone” — https://en.wikipedia.org/wiki/King_of_Tone
  4. JHS Pedals — “What Is A Bluesbreaker?” — https://jhspedals.info/blogs/news/what-is-a-bluesbreaker