Is it possible to directly connect the Hammond-Suzuki XK3 keyboards to the HX3 instead of using midi? Is there a latency difference i.e. faster without midi?
Paul
Hammond XK3 direct keyboard connection
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Re: Hammond XK3 direct keyboard connection
There is no way to connect any keyboard directly to HX3 mainboard.
For using FATAR keys You need the FATARscan2 board, which supports two keyboards ( upper and lower manual )
If any other key with simple contacts You can use the normal scanboards like Scan61-inline.
Only in case of SAME MATRIX and Connections of named XK3 Hammond keys You can try it at own risk.
We don´t know how these keys are constructed
For using FATAR keys You need the FATARscan2 board, which supports two keyboards ( upper and lower manual )
If any other key with simple contacts You can use the normal scanboards like Scan61-inline.
Only in case of SAME MATRIX and Connections of named XK3 Hammond keys You can try it at own risk.
We don´t know how these keys are constructed
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Re: Hammond XK3 direct keyboard connection
One final question before I go the Fatar keyboards route — I found the Hammond-Suzuki XK3 keyboards matrix diagram (the lower keyboard is the same). Is it possible this could attach to the Fatar scan board? The first connector is 16-pin but the second connector is 20-pin presumably because of the preset keys. Possible or should I give up the idea?
Paul
Paul
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Re: Hammond XK3 direct keyboard connection
If You want to use this control properly the polarity of the diodes !!!
I know that the same Fatar keys used in VISCOUNT drawbar Organs have opposite
polarity of the diodes !!
If You use Hammond Suzuki keys You have to buildt up a interface corresponding to
the micromatch plugs and their number of pins
I know that the same Fatar keys used in VISCOUNT drawbar Organs have opposite
polarity of the diodes !!
If You use Hammond Suzuki keys You have to buildt up a interface corresponding to
the micromatch plugs and their number of pins
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Re: Hammond XK3 direct keyboard connection
Paul, do you also have access to a schematic of the XB-5 keyboard matrix? If it is the same matrix, we may have a solution. The inverse keys must be separated anyway and wired to a Preset12-2 or an Extend16 board, the latter allowing to use four more digital inputs for switches or buttons.
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Re: Hammond XK3 direct keyboard connection
@christian
perhaps it will be the same configuration as at FATAR 6 octave keys.
The rubber contact boards just begin with their matrix at lowest key -
anyway if this is a negative preset key or normal key..
In my HX 3 in B3 look I used such 6 octave FATAR keys and it was necessary to use
for the HX 3 keys 5 octave rubbercontact boards an a separate 1 octave rest
for the preset keys.
I expect at the HAMMOND XB key that because there is a 16 pol and 20 pol plug
that the rubbercontacts just begin at lowest key of the 6 octave keyboard
The used FATAR Keys in HX 3 have only two 16 pol plugs to connect the 61 dynamic rubber contacts.
For the XB Key with 20 + 16 = 36 plug pins for 72 keys this will mean that only 4 pins are reserved for the
12 preset keys.
That makes no sin so her we will have a other configuration of the matrix.
Easiest way just post a pic from the XB keys how it´s made there with the matrix ...
perhaps it will be the same configuration as at FATAR 6 octave keys.
The rubber contact boards just begin with their matrix at lowest key -
anyway if this is a negative preset key or normal key..
In my HX 3 in B3 look I used such 6 octave FATAR keys and it was necessary to use
for the HX 3 keys 5 octave rubbercontact boards an a separate 1 octave rest
for the preset keys.
I expect at the HAMMOND XB key that because there is a 16 pol and 20 pol plug
that the rubbercontacts just begin at lowest key of the 6 octave keyboard
The used FATAR Keys in HX 3 have only two 16 pol plugs to connect the 61 dynamic rubber contacts.
For the XB Key with 20 + 16 = 36 plug pins for 72 keys this will mean that only 4 pins are reserved for the
12 preset keys.
That makes no sin so her we will have a other configuration of the matrix.
Easiest way just post a pic from the XB keys how it´s made there with the matrix ...
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