Akai/Roberts Preamp Mod - Roberts 720A and Akai M7 (and others)

Many people have modified tube-based reel to reel tape recorders from the 50's and 60's into microphone preamps and guitar amps. (You can see a cameo by one of these Akai/Roberts decks in Apocalypse Now -- not sure which model that is.) Rod Childers at Beyond Sanity Productions provided exceptional instructions (his website appears to be dead now -- this site now hosts most/all of the info/files that were on the Beyond Sanity site). I did this for a Roberts 720A and an Akai M7. I made this page for anyone trying the mods on the same models, and to provide information on the subject in general, since the M7 is commonly modded, and the 720A is basically identical to the other commonly-modded models.

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