The Monsterpiece PNP Fuzz was the second Monsterpiece to come along. It has undergone several transformations over the years, and I believe that the current version is the definitive version. This is a 2 transistor hybrid fuzz utilizing mixed silicon/Germanium transistor set. The circuit is based on the classic fuzz face circuit, but is by no means a straight up clone. Like the Monsterpiece NPN, the PNP is an extremely musical, dynamic, and responsive fuzz. A world of fuzz tones lurk within.
There are currently 2 versions of the Monsterpiece PNP – the standard 4 knob Monsterpiece PNP which has the “voice” mini toggle switch to switch between a fuzz tone with more or less bottom end. Then there is the 5 knob Monsterpiece PNP dlx which has a tone control circuit that you can bypass.
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The controls are all external – Volume, Fuzz, Input Bias, Transistor Bias. There is also a mini-toggle “Voice” control that switches between a fuzz tone that has more or less bottom end. The controls are all very interactive – so experimentation is key.
*** Note regarding the transistor bias control on pedals shipped prior to 7/27/2017 – when this control is set past half way, the fuzz will start to become very gated, and then eventually cut out as you continue to turn it up. This is normal, and as designed to get the maximum usable bias range out of the transistors. I now have a control that allows the entire sweep of the control to be within the usable range yet still get the maximum usable bias range out of the transistors ***
On the PNP dlx version the “Voice” mini toggle is replaced by a tone control bypass for the switchable tone circuit in place of 2 fixed “voices” like on the standard 4 knob PNP Fuzz.
The Monsterpiece PNP can be powered by 9 volt battery, or by 9 to 9.6 volt dc adapter that has a center negative barrel plug. There is also a battery on/off mini-toggle switch standard. Because the circuit is positive ground, you cannot daisy chain power with an adapter.