File:初のベース用ペダルボード (pedalboard with Hartke, Bad Cat, Aphex pedals).jpg - Wikimedia Commons
ThePedalGuy Presents the Hartke HC33 Bass Chorus Pedal - YouTube
NAMM 2016 PRESS RELEASE: Hartke's New Bass Attack 2 Pedal Delivers Direct Box Capabilities, Along With Premium Preamp Circuitry And Overdrive Effects | Samson Technologies
Hartke Bass Attack | Reverb
Hartke VXL Bass Attack Pedal and DI | zZounds
Hartke Bass Attack VXL Tone Shaper Preamp/DI pedal for Bass Guitar | eBay