TC Electronic SpectraDrive Bass Preamp – Eastside Music Supply
Allegro Music - Check out this TC Electronics Spectra Drive bass preamp pedal. This one pedal/DI box has Tubedrive with Toneprint, Spectra Compression with Toneprint, built in EQ, and many many more
TC Electronic SpectraDrive Bass Preamp | Reverb
TC Electronic Introduces SpectraDrive Bass Preamp & Line Driver - Bass Musician Magazine, The Face of Bass