• Tycobrahe Analog Delay Line
• Modular Guitar Effects
• Electro-Harmonix Memory Man An overview of the Memory Man analog delay
• Electro-Harmonix BBD Echo Issue A (Memory Man version 1) A technical look at the very first Memory Man analog delay
• EH-7810 Memory Man
• EH 7850 Deluxe Memory Man with Chorus/Vibrato
• EH 7811B Stereo Memory Man with Chorus
• EH 1307 Deluxe Memory Man with Squelch