[rodgersorgan] Re: [Fwd: re: Thank you, too!]
- From: William E Ehrke <diapason@xxxxxxx>
- To: rodgersorgan@xxxxxxxxxxxxx
- Date: Sat, 21 Jun 2003 18:45:49 -0500
Richard, each of the cables requires a 5-prong plug on one end and a five-hole
socket on the other. Connect one end of the cable to an amplifier/speaker, and
the other end to the appropriate socket in the organ. For a 32C, those sockets
are on the output chassis mounted vertically inside the bass end of the organ.
Sockets on the output chassis are labeled as follows:
Diapason
Flute
Main (Swell or mixed)
Pedal
Assuming you have stock Rodgers cables, the pinouts for plugs and sockets are
as follows:
Pin 1 - audio ground (shield)
Pin 2 - Relay + (red)
Pin 3 - Relay - (black)
Pin 4 - no connection
Pin 5 - signal (white)
Some technicians reverse the polarity of the relay connections. This is
unimportant unless one of the speaker systems has an active crossover that
derives its operating voltage from the relay lines - not likely in a 32C
installation. Make the wiring of the plug agree with that of the socket on
each cable.
Since you have five amplifiers (and presumably five speaker systems), the organ
may have an echo (antiphonal) chassis. If it is a four-channel echo adapter
(other options were available) all the cables will connect to the echo chassis.
Mixing switches on the output chassis allow the Diapason, Flute and Pedal
channels to run through their own individual speakers or to be mixed with the
Swell channel and routed to the Main socket. Overall volume adjustments for
the four channels are located on the output chassis. Other volume and voicing
parameters are found elsewhere in the organ.
There are no wiring connections to the pedalboard itself. Each of the wires
behind the "brown board" is connected to a small glass-enclosed reed switch.
The end of each pedal lines up with one of these switches and operates it
magnetically.
Good luck -
B.E.
!
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