FREQUENCY CENTRAL / MATSUMIN: Valvemaster

Valvemaster schematic v1 a8ab7e84c8de

A variant of the Matsumin Velvecaster, the Frequency Central Valvemaster. I really like Valvecasters, so I was looking forward to making this, but it just wasn’t working for me on the breadboard today.   I might try a different valve / test the valve I’m using in a valvecaster circuit just to make sure it … Read more

Frequency Central Promiscuous Girlfriend

Promiscuous Girlfriend 8072fe1906e9

Another tube booster/overdrive created by frequency central over at FSB, schematic. What does it do? Well it does clean boost with the Gain set at minimum, flick on the Dirt switch and you get some nice diode clipping too. Turn up the Gain and you’e into overdrive territory with diode clipping, flick the Dirt switch … Read more