Never heard of an S. I have an M400SM, I think it is a sound Sales machine. I think my power supply was in a different place in the case. John Bradley moved it when he came over to the US with Martin and spent a few days field servicing our machines at a gathering.
On Wed, Mar 26, 2014 at 8:46 AM, Bill Rudloff <doctorwho8@aol.com> wrote:From the other group
Sent from my iPhone4
Begin forwarded message:From: <ceswert@comcast.net>
Date: March 26, 2014 at 7:43:23 AM CDT
To: <Mellotronists@yahoogroups.com>
Subject: [Mellotronists] M400-M400S
hat are the differences between an M400 and an M400S?
--Gino Wong BirgeloBSComm, BSEE,ReRED Recording, Analog Sound Design