Donner Yellow Fall Vintage Pure Analog Delay No power supply included (requires 9v) but comes with short jack lead. Full working order, condition as pictured. Specifications: Sound: Pure analog-style circuit providing warm and natural echo, often described as brighter than a MXR Carbon Copy but still warm. Controls: Features straight forward controls: Echo (delay level), F.BACK (feedback/number of repeats), and Time (delay length). Design: Mini-series size, perfect for crowded pedalboards. Power: Requires a 9V DC center-negative adapter. Bypass: True bypass circuitry to maintain signal transparency.