Ace Tone EC-20 Delay/Echo Ring Mod: Produce an octave

Ring Mod: Produce an octave higher when a signle note is played and the typical ring modulation when two or more strings are played

the center point can be set to a fixed position with the frequency control

Legendary piece of outboard

Waiting for service work

Ace Tone EC-20 Delay/Echo Ring Mod: Produce an octaveExcellent condition and working order the grandaddy of the mighty Space Echo, an Ace Tone EC 20 Echo Chamber. This is a vintage Japanese tape echo, fully serviced and refurbished with parts replaced as needed to bring it up to a high standard of operation. We really like these forerunners of the legendary Roland Space Echo tape echo units the slider controls lend themselves to being "played" maybe more than knobs. Ace Tone is the company founded by