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Electronic Organs => Electronic Organs => Topic started by: dragonser on May 29, 2011, 10:43:25 PM

Title: general switches/pistons on an old Johannus ?
Post by: dragonser on May 29, 2011, 10:43:25 PM
Hi,
sorry for a question that may seem to have a straightforward reply.
I'm working on the insides of a really old analogue  Johannus Organ [ it is a long story ].
anyway it seems to have had a set of general pistons marked
PP P MF F FF T   , TA and HR
the first set of six pistons I can work out, but I'm wondering if the Ta piston might be a "reeds silent" piston ?  the Hr   switch seems to switch between the Normal stops and the preset combinations. does that seem reasonable ?

regards Peter B
Title: Re: general switches/pistons on an old Johannus ?
Post by: Barry Williams on May 29, 2011, 11:23:01 PM
That sounds about right.  HR was certainly Hand Registration.

Barry Williams
Title: Re: general switches/pistons on an old Johannus ?
Post by: dragonser on May 30, 2011, 12:10:43 PM
Hi,
many thanks for explaining what HR means !
regards Peter B

Quote from: Barry Williams on May 29, 2011, 11:23:01 PM
That sounds about right.  HR was certainly Hand Registration.

Barry Williams