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Kawai K1m



kawai k1mkawai k1m

audio demo trend price : 100€
manual factory patches   demo video comments

Kawai k1m digital synthesizer (1988)


Desktop version from digital synthesizer K1 based on 8 bits short cycled waves.

whole K1 synthesis structure lacks of filters.

kawai k1m logo


info LAPTOP (weight: 2 Kg)
The main panel features a 16 X 2 lines display, 25 rubber buttons, a slider edit for data entry and a vector joystick for volume mix.

Back panel terminal connectors:
- Midi Interface
- main out
- headphones out

acPower supply is external with 9V DC with -) polarity.


edit VOICE
the K1 engine manages up to 16 digital oscillators or voices.


WAVETABLE ROM contains 256 PCM waves at 8-bits resolution, organized in 2 families:
- 204 VM: cyclic waveforms generated by additive synthesis process out of 128 harmonics
- 52 ACOUSTIC:shots sampled from true percussions & drums

VM SYNTHESIS cyclic wave groups is composed by 2 categories:
- BASIC classic basic waveforms such as square, saw and sine.
- FREQUENCY RANGE are spectral transients from piano, strings, brass, lead, bell and organ

signal flow

PERFORMANCE machine manages up to 8 individual parts with these parameters:
- zone
- voices reserve
- level
- Midi channel
- transpose
- tune
- volume

a 4-segments + 1 time EG DADSR for each source.
The vector joystick controls a global mix amplitude EG moving between 4 oscillators.
There are 18 preset velocities curves and no possible edit.

lfo LFO
a single oscillator modulates pitch or amplitude with 4 different waveforms:
- triangle
- saw
- square
- random

midi MIDI
standard implementation with just a few CC# but full compliant to Midi Exclusives data for both edit and backup.

memory MEMORY holds:
- 64 RAM standard patches
- 32 RAM multitimbral
RAM is doubled with memory card model DC8, also compatible with DC16 and DC32.
TECH: RAM chip is a NEC D4464C with lithium battery 3V Cr-2032.

lithium battery

internal k1m


kawai k1 circuit bent!

K1m model has been mutilated and bent: sound is just crazy!

hear the demo.

EDIT there are some editors like: soundquest (mac/pc), soundiver (mac/pc) soundlib (pc), caged artist (atari ST) and K1edit (atari st)

atari st k1 edit

memory K1 related models:

kawai k1 k1 II family


Kawai K1: original keyboard version.


Kawai k1r rackmount version of k1 without joystick.


Kawai K1 II: add reverb , higher sample resolution and some new drum waveforms


Kawai K1 rII: rackmount version of K1 II minus joystick and effect DSP



audio demo

effet Soundcloud K1m

track1 track2 track3


KAWAI K 1-M DEMO 2012 Kawai K1M demo Kawai k1 100% sounds
KAWAI K 1-M DEMO 2012 Kawai K1M demo uh... my demo!

k1m picture




original scan




original scan




original scan




dc8 ram cardmemory




original scan





kawai k4

Discover the model Kawai k4 :enhanced k1 with better DAC and filters!




kawai eporm motherboard p106


- bargain price
- Lo-fi industrial sound
-k1 save space!


- no filter
- edit interface

for LO-FI geeks

"The k1m is a classic for Lo-fi sounds or noisy textures.
Don't be fooled by presets and give a good edit try."



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all snapshots, sounds, texts copyright Polynominal.com / Eric Pochesci

kawai k1m 4.5 out of 5 based on 28 ratings. price €100