Keeley Electronics Black Silk Mullard

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For those wanting a MkIII sound, this is it! Furthermore, design modifications have solved temperature problems that can affect vintage fuzz units. A reverse polarity germanium diode at the final gain stage prevents temp problems. Players have the needed power supply inversion built in so that they can use a regular 9 Volt power supply. Our design team focused on building a MkIII style circuit with a stash of Black Glass OC75 transistors that Keeley had in his collection. This type of PNP germanium pedal can be expensive, bulky, and can have variances in sound quality, so our goal was clear: create a best-in-class product that combines compact versatility, repeatable musical tone, and low noise in a compact effect. To achieve this, we employed several technical innovations from our Time Machine Boost and Holy Fuzz designs. We also use techniques to nearly eliminate temperature coefficient problems in germanium designs. The end result is that the Black Silk British Fuzz is vintage fuzz effect we are extremely proud of and excited to offer to our customers in this very rare and extremely limited edition and is ready for any stage, no matter how hot! Like all of Keeley Electronics’ designs, the Black Silk is hand built in the USA using the finest components and construction techniques. It is housed in a beautifully powder-coated and rugged enclosure, includes true bypass switching, and features a 2 year limited lifetime warranty with world-class Keeley customer support.


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