[BC] RCA phono plugs - How far back?

[Larry Lamoray]

1/8" Bantam / TRS Jacks were used in recording console patchbays back to the 
early 1970's, and probably earlier.

There is a European "Post Office" version that is "stepped" per an earlier 
post.


----- Original Message ----- 
From: "Milton R. Holladay Jr." <miltron at mindspring.com>
> WE style TRS phone plugs were made in 3/16ths and 1/8th inch as well as
> 1/4". The 1/8th" type were mostly used in patch bays of large recording
> studio consoles starting around 1980 (AFAIK) and generally made lousy
> contact if not squeaky clean.