The 8AB2D1A TAD Reverb Can with 3 springs, also known as the TAD-BLACK HAMMERTONE FINISH Hallspirale 3-Feder, is primarily used in the Roland JC120 (old), Roland Space Echo RE-501, RE-301, RE-201, and Bolt 60. 

specifications:

• Length**: 23.5 cm
• Springs**: 3
• Input Impedance**: 10 Ohm / 0.8 DC Ohm
• Output Impedance**: 2575 Ohm / 200 DC Ohm.