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"Dear LP2CD, Hi, again! I just wanted to let you know that I received my vinyl and CD in the mail yesterday! Thanks again for the safe packaging and the receipt! The CD is just fabulous ^^;! I've been dreaming of this for at least a decade now 8D! Thanks again, and I'll probably be e-mailing or calling again soon for another conversion! Sincerely,"

Delay line, acoustic

A delay line, in which the delay is accomplished acoustically, as in a long tube with a speaker at one end and a microphone at the other.