The Maxon AD-9 Pro Analog Delay is an improvement on the original AD9. Featuring bucket brigade components, the Maxon AD-9 Pro has up to 450ms of crystal clear analog delay. Imitated but never duplicated, check out the Maxon AD-9 Pro.
The Maxon AD-999 Analog Delay produces warm, lush, round delays akin to older tape units. With Maxon's specially sourced BBD IC's and 900ms of delay time, the Maxon AD-999 is the ultimate analog delay pedal on the market today.