Boss Dd-3 Digital Delay Made In Japan Operation Confirmed From Japan Used #3079,BOSS / DD-3 Digtal Delay (日本製)レビュー - △▽エフェクターレビューとメモ△▽,中古]BOSS / 1988 DD-3 ,Boss DD-3 Digital Delay 1986 Vintage Guitar Pedal Made in Japan Blue Label PSA,Boss DD 3 Digital Delay Version 1, Long Chip, Japan 1990 Effect For Sale Soundgas Ltd,