I've seen comments from people desperately trying to sell their decrepit old Echoplexes on Ebay "this has huge warm sounding repeats fade beautifully, not digital sounding ike the new reissues."

(laughter)

Yah, the repeats are warm sounding because Echoplexes hissed and hummed so badly that Maestro/Gibson had to slap a .1uf capacitor straight to ground off the playback head to cut all the highs (and the hiss). So if you want that muffled sound... turn the TTE's tone "echo tone" knob all the way OFF and guess what, you get a .1 cap straight to ground and that lovely muffled old echoplex tone.