On the upper manual dere is a switch under the first preset key (see picture). How does that switch work? For me it seems the switch goes in the whole under the key and is not activated when pressed?
I believe that's simply an alignment device.
The actual "switch" part of the key is under the black felt like all the other keys.
But i've been wrong before.
No it is an actual switch. I think someone has worked on this organ before and that B preset key has missing parts. I found this picture on the web (see attached). That black key clearly has something blocking this hole. Do anyone has any more detail pictures. Seems I have to build a similar mechanism.
Do you want the upper manual volume to dip when percussion volume is set to "normal"? I'm asking because many people disable that feature, and if you're one of those who aren't very keen on it you can just omit the little switch altogether.
Current organs: AV, M-3, A-100
Current Leslies: 22H, 122, 770
The little phenolic pusher is fragile.No doubt some 'repair' inadvertantly snapped it off and discovered how to 'accomplish' the volume drop mod without actually knowing SFA.
Blessed are those who know not what they do....for the tech who knows how do do this the 'other' way,actually did some homework before charging right in.
This one is a working example.I also have a broken one somewhere.
I found the problem. Seems someone previously, before I bought, it has open it up and done something. The B presetkey for the lower manual was changed with the B preset key in the upper manual. I removed the keys for the lower manual and found what I was looking for, see pic. That special B presetkey for the upper manual has this metal plate in the hole that makes the switch work when pressed.
Maybe they did this on purpose to carry out the volume mod! Does anyone has a sound clip with and without it?
There's nothing magical or tone altering about this modification. It's just that in standard form, switching the percussion to "normal volume" does not one but two things: sets the percussion volume higher, and also reduces the volume of the normal tones.
In percussion "soft", the percussion volume goes down and the manual goes back up to its standard volume.
Many don't like this (myself included), they wish that the percussion level switch should only have an effect on the percussion volume; the manual volume should stay the same regardless of percussion (this is also the way it was wired in subsequent models like L-100, M-100, E-100, H-100 etc).
Current organs: AV, M-3, A-100
Current Leslies: 22H, 122, 770
A variable level with a potentiometer finds the sweet spot.Sometimes that 'in between' volume or 'paradise' decay is warranted.
Have used both with mods and ended up liking a fixed 56K resistor and a shorted 1meg inside the MT's with an on/off switch.
Moving the decay closer to the player is possible,found no real need for it though.I just like to mix my levels to suit the tune.
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