Kiwi Technics KiwiSix Poly Six Hardware Upgrade & Power Board

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Includes additional power supply board

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Manufacturer: Kiwi Technics

Category: Cables & Accessories



Got some things going on in your Korg PolySix?

  • Board Corrosion Notice - how it has spread over most of the board
  • Closeup of track damage - Some tracks under the battery have lifted and are also nearly eaten through
  • Close up of track damage - Notice the legs of the ICs and other components are being damaged

A number of Polysix’s that arrive at our workshop have had extensive damage across multiple boards. It is our conclusion that this has been caused by overvoltage being applied to all the boards. This can only have come from the Power regulating board and because of this we no longer trust the original power regulating circuitry in the Polysix.

We have developed the Kiwisix Power Supply Upgrade for the Polysix which uses modern voltage regulators with built in safety systems. Because the failed Polysix’s have proven to be very expensive to repair with extensive chip failures throughout including the SSM chips we strongly recommend also fitting the Power Upgrade. This is bundled at a discount as we feel this is important. Note - Photo shows finished power upgrade after the old plugs have been moved over from the existing power board.




 The KiwiSix Upgrade features:-

• A complete replacement board for the troubled Korg Polysix KLM-367 circuit board. These are usually battery damaged which can be difficult and expensive to repair and render the synth unusable. • 1024 Tones can be stored and edited. It is also possible to temporarily edit any Tone. Tones are selected using a two button system. The first button selects the high digit (bank 1-8) and the second button the low digit (Tone 1- 8). This allows 64 tones (1-1 to 8-8) on any bank group. There are 16 bank groups that are selected using the A-D bank buttons.

• MidiCC and Sysex support all parameters. Sysex support for Tone Dump & Load and 4096 step parameter control.

• NRPN support on all variable controls giving 4096 step control. Release 1.20+ • 4096 step scanning on all front panel controls. Optional Fine midi control using sysex or NRPN (v1.20+) on all variable controls.

• Midi In & Out Channels can be separately set.

• Patch Editor Control of Parameters (requires PE v 5.0 or later)

• Two styles of Polyphonic (7th note override or 7th note ignored) and Last note priority Unison Key Assign Modes

• Chord Mode. Any chord with up to 6 notes can be set and played from any key

• The Arpeggiator can be clocked from the internal/external clock or midi clock divided by 3, 4, 6, 9, 12, 18, 24, 36, 48, 72, 96, 128, 144, 168 or 192.

• Arp modes are Up, Down, Up and Down, Random (midi only), 0, 1 or 2 octaves and can be controlled via midi.

• Key transpose allows transposition to any key in a range of 2 Octaves up to 1 Octave down

• Arpeggiator can be Started, Stopped & Continued using Midi Commands • Appeggiator will Output Midi Data

• Internet update system. All future updates will be at no charge.

• The Upgrade comes with a replacement metal plate for the power cord. This plate has an IEC socket for a standard power cord (note - Power cord is not supplied), screws and space to mount the Korg Serial Number plate and midi in and out sockets are mounted. An internal cable is supplied to plug into the KiwiSix Upgrade board for Midi I/O.

• Optional more reliable power supply using modern components.

• Installation instructions are supplied and some soldering is required for the Power wires to the replacement plate and two front panel modifications. The power supply upgrade will also need some soldering. Full installation instructions are in the User Manual and any parts required will be supplied in the upgrade.

• Metal KiwiSix Label

• Compatible midiCC control set for all Kiwitechnics products