Boss DD-3 Digital Delay drum See the detailed photos and

See the detailed photos and click on them to see large versions

See our Instagram demo below to hear this superb echo

minor scuffs and scratches to finish

The following description from Robert L's Synths about the EC-504 also sums this up well:

Boss DD-3 Digital Delay drum See the detailed photos andBlue Label, rare long chip version of this classic vintage Japanese delay pedal. This is a Version 1 DD 3 and so is effectively the same pedal as the DD 2 (see below). Tested and working well. Has some scuffs and signs of age but overall it's in good condition see the detailed photos for more information. From bossarea. com: The early DD 3 is the same pedal as the DD 2. Because of the price drop on DRAM in 1986 it was possible to produce the pedal