unknown USED EVA Electronics S-Booster Dynamics (SB-D) keeley Fully analog design from input

Fully analog design from input to output

Its specifications include a 5AB shape with a long taper

``string-like'' attack

there are no scratches or dents that would detract from the appearance and it is in excellent condition

A JFET operational amplifier is used in the amplification stage to achieve distorted sound with rich overtones

unknown USED EVA Electronics S-Booster Dynamics (SB-D) keeley Fully analog design from inputBargain second hand items have arrived. This booster and sound stabilizer is made by Eva Electronics, based in Osaka. The design is based on their BOOSTER series, but a new V switch position has been added to easily produce a slap bass sound. This circuit processes the sound of instruments like JB type basses into the ideal slap sound. It can also recreate the distinctive sound of basses from the 1960s and 70s. This device works not only with bass