The vintage analogue Spring Reverb Tank by Yamaha, designed for guitar, or organ  amplifiers in 1980, offers a unique sound with a long decay and single spring mechanism. 
This unit is compatible with any guitar or organ or similar  amplifier brand and model, providing a classic reverb effect for musicians looking to add depth and character to their sound. 
With its vintage appeal and reliable Yamaha brand, this Spring Reverb Tank is a sought-after piece for guitarists and bassists seeking to enhance their music with a touch of nostalgia and authenticity.
the unit is in good shape and will ship worldwide and pack safe.