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Kronos LS and aftertouch
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mrpanoff



Joined: 05 Aug 2011
Posts: 28

PostPosted: Wed May 22, 2019 12:40 pm    Post subject: Reply with quote

KK wrote:
mrpanoff wrote:
KK wrote:

It's quite likely the LS action uses a diode matrix, otherwise it would end up with way too many wires, a totally different logic, etc.


So do you think a qualified tech can scan these matrices and make them work together?

The Triton uses dedicated KLM-2332 and KLM-2331 boards to fit the Fatar, but the KLM-2089 SCAN BOARD can be directly connected to a Yamaha FS-E76 type keyboard.

It's complicated. You have to find a tech good at logic circuits to compare/define the custom rows/columns/phantoms arrangement of both units (note that he might need to design a custom "fitting circuit" to match both). He might also need to match the op-amp AT circuit on the unit you want to modify. Call your local music stores, sometimes they have guys with lots of experience.

Of course, a much simpler and less risky/expensive solution would be to MIDI control one synth with the other.


Sure, even if the guy knows what he does, the need for the custom extra circuit kinda dissuades from the idea.

Do you think a Fatar TP/8 76 semi-weighted key matrix is fully compatible with the 88-key Fatar TP-30 TP-40 hammer-weighted type inputs? If that's not the case, perhaps the contact boards themselves can be swapped given the key width is the same, can't they?

It seems the PA-X series has preserved the same old-style two-ribbon Aftertouch layout and controller scheme: http://www.korgforums.com/forum/phpBB2/viewtopic.php?t=42753&postdays=0&postorder=asc&start=15

On the other hand, the LS 88 is said to have a much lighter touch than both TP/8 types found in PA4X and Kurzweil PC3K7. I wonder if it's plausible to have a tech make a MIDI-controller out of an LS then, if it ultimately doesn't fit the Triton. Korg wouldn't approve that no doubt.
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karmathanever
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Joined: 12 Jan 2004
Posts: 8517
Location: Australia (Oz !!)

PostPosted: Wed May 22, 2019 1:07 pm    Post subject: Reply with quote

Quote:
On the other hand, the LS 88 is said to have a much lighter touch than both TP/8 types found in PA4X

It was this that was the showstopper for me - the keys are way too light for me and coming from the Kronos-61 and PA4X-76 really spoilt me in terms of semi-weighted keybeds.

Pete Very Happy
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Korg:------- PA4X-76, Kronos-61, WaveDrum Global
Roland:---- Integra-7
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