From: SMTP%"firstname.lastname@example.org" 30-MAR-2001 04:49:39.05In projects in which I have been involved it has been our practice to use the following connection system for non-bi-amplified loudspeaker patch panels: -
Subj: Comment on DRAFT AES45-xxxx
All sockets are 4-pole type. Amplifier outputs are connected to pins 1+ and 1- on panel sockets. Inputs to loudspeakers are connected to pins 2+ and 2- on panel sockets. Patch cords are 'cross-wired' with 4-core cable, having pins 1+ and 1- connected to 2+ and 2- on the other end.
This method has the advantage of allowing simplified operation by the user, since patch cords may be used with signal flow in either direction. The method retains the advantage of preventing the outputs of two amplifiers being connected together. Patch panel assembly is also simplified, since only one connected type is used.
Dear Mr. Meachin,
Thank you very much for your comment on AES45-xxxx which concerns connectors for loudspeaker patch panels. We gather from your comment that you do not object to the wiring specification in the draft, but are suggesting an alternative.
The SC-05-05 Working Group on Single-Programme Connections did give consideration to the scheme you have suggested, its consensus was to limit the standard to the single wiring configuration favored by most of the group. We feel therefore, that the standard should not be reconsidered at this time. Nevertheless, we have placed your recommendation on the agenda for review of AES45 for possible revision or amendment.
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