Black Mass Electronics Ceremonial Show of Force

The Ceremonial Show of Force is an all-analog, discrete overdrive pedal from Black Mass Electronics. Where most overdrives lean on opamps and a pair of clipping diodes to generate their grit, this one forgoes both: the maker states it relies solely on cascading transistor gain stages to create the overdrive, which is what the "discrete" in its description means, no integrated opamp chips in the signal path¹.

Black Mass describes the pedal as bridging the gap between vintage and modern overdrive tones, and says it is designed to help you hit your target overdrive tone whether you play into a clean amp or a dirty one¹. Delicious Audio, covering the pedal in August 2024, summed it up the same way: an all-analog, discrete overdrive that forgoes opamps or diode clipping, relying entirely on cascading transistor gain stages to deliver its character².

How the circuit works

Two details of the design matter to a player comparing it against other overdrives. First, the input stage uses a JFET input buffer and transformer isolation, which the maker pairs with what it calls high quality components throughout¹. Second, the input voltage is internally boosted, which Black Mass says gives the pedal greater headroom and clarity than it would have running straight off the 9V supply¹. More headroom means the circuit is less likely to choke or compress when hit hard, a common complaint with low-voltage overdrive designs.

The pedal also carries overvoltage protection, so an accidental wrong-polarity or over-spec supply is less likely to kill it¹².

The controls

The control set is Level, Drive, Tone, Body and Bias. The Bias control is the unusual one: it sets the internal bias voltage of one of the gain stages, which changes both how much gain that stage produces and how the overdrive feels¹².

The Bias control works as a switch with two defined characters¹:

• Low Bias: lower gain, looser texture, vintage feel¹
• High Bias: higher gain, tighter, thick modern tone¹

Black Mass suggests two starting points: bias left with the Drive turned down for vintage pushed clean tones, or bias right with the Drive up for a dirty, textural, modern overdrive¹. In practice that makes the Bias switch the pedal's main voicing decision, with Drive then setting how far into saturation you go from whichever baseline you picked.

Powering it

The Ceremonial Show of Force runs on 9V DC only, through a standard 2.1mm center negative connector, drawing 30mA¹.

Where it sits among overdrives

Most familiar overdrives, from Tube Screamer-family pedals to countless derivatives, use an opamp with diodes in a feedback loop to clip the signal. The Ceremonial Show of Force takes the discrete route instead, letting the transistors themselves saturate. That approach is closer in spirit to how vintage transistor amps and some fuzz circuits break up than to a typical distortion or diode-clipped overdrive, and it is the main thing that separates this pedal from the mainstream options. For a player who already owns a diode-clipped overdrive and wants something with a different clipping character, that topology is the reason to look here¹².

Videos

Click to load

Click to load

Click to load

Questions