Need a More Capable Bias Supply? Often, when implementing mods or improvements, you’ll need a raw bias supply that is higher in magnitude or capable of more current delivery than your existing bias supply. Low Impedance and High Impedance “Low-impedance” supplies are either a tap or dedicated winding, with a rectifier and filter cap. Minimal[…]
Tag: bias supply
RBX Raw Bias Auxiliary Supply – When Do You Need It?
Here is why some amps will need London Power’s RBX Raw Bias Auxiliary Supply along with a Power Scaling kit. Most guitar amps that are fixed biased have very poorly designed bias supplies, barely adequate to support the tube grids connected to them. Few have enough control range to actually turn the tubes ‘off’. Two[…]



