olá,
venho por meio deste disponibilizar o esquemático do Delay DL4 da Line 6.
https://music-electronics-forum.com/attachment.php?s=643cf4b144cdf56d55c1091d77d8df84&attachmentid=46196&d=1513714930 (https://music-electronics-forum.com/attachment.php?s=643cf4b144cdf56d55c1091d77d8df84&attachmentid=46196&d=1513714930)
:tup