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Elka OMB-5





 

elka OMB5

info Country: Italy
Weight: 8 kg
Dimensions: n/a
audio demo trend price : 100€
manual demo video comments

Elka Omb-5
One Man Band (198x)


Cheap Italian keyboard arranger with different preset styles and auto-rhythm functions.

info NOTE: I sold this machine a long time ago. Some info may not be complete as schematic uses internal ELKA code and not true IC name ... I miss many clues. if you have more details or send me some more demos, just drop a line.

the omb5 one man band!
logo omb5

info KEYBOARD 37 keys, no velocity.
Main panel features a segments display, 9 sliders and 76 buttons.

Rear panel terminal connectors:
- Midi interface
- main signal out
- drum rhythm separate out
- master tune knob
- swell pedal input *
- chord pedal input *

* Special custom pedalboard T-150k with link to the optional accordion Elkavox 83.

 

 

 

edit TECH main CPU based on Texas Instruments 8 bits "7000" family (TMS7000NL-2) most part of the board is based on CMOS TTL technology.


imb synth



edit STRUCTURE
basically the OMB sound generation is based on digital waves with low resolution:

imb synth

- Synth instruments are generated by digital DCO based on probably - a "M" SGS chip which waveforms are stored on a separated EPROM.

 


- Drums are plain PCM samples.




editSYNTH
section contains 24 preset sounds and no possible edit but a simple layers stacking of 2 sounds.

harp

Instrument list contains:

flute, guitar, brass, tuba, marimba, clavinet, piano, strings, piano, rhodes, harp and various synths.


 

trigger PCM WAVETABLE internal memory contains 32 PCM from drum machine ELKA Drumstar DR-80

drum omb5 demo HEAR drum patterns




lfo SEQUENCER arranger zone is split into 9 parts:

- preset bank 1-2
- arrangement
- functions
- songs
- rhythms
- variation
- tempo set
- autobass chords


demo HEAR arrangement

omb5 tech





lfo LFO
a single vibrato with fixed rate and depth.

vibrato




memroy MEMORY:
- 24 sound patches
- 20 styles
- 20 drum rhythms
RAM cartridges expands sequencer memory to a maximum of 6 songs.

circuit omb with TDA1022 - LEFT - spotted some TDA1022 for internal chorus

 


memroy MIDI
basic implementation with no control change, no exclusives Midi sysex.

 



memroy MAINTENANCE
many OMB5 not working, frequent technical issues - not always worth to repair

circuit omb with TDA1022 "sitting on my repair bench since 1992"


 


memroy RELATED MODELS:

ELKA OMB3

OMB3 sounds like another arranger, No info but this ebay description:

"Includes Treble solo bank of 15 timbres plus 2 custom. Has Chord/Treble Orchestra bank of 15 timbres plus 2 custom. There is a ryhthm section with 18 ryhthms plus 4 custom. Has a full arrangment section /Bass section /chord section and much more
OMB3 Has a Midi in port so can be intergrated into your setup.Rear panel has sockets for footswitches (Fill in&Start)-2 outputs L&R plus expression pedal All 1/4″ jacks- input for keyboard chord playin"g OMB3 PICS

elkavox 83

ELKA VOX ACCORDION an Accordion model Elkavox 83 can be linked to OMB5 by a custom connector.
If you want to get an idea, have a look a this video:

elkavox83



video VIDEO SELECTION

omb5 demo Elka OMB Demo ambient jam with omb5
did you say... weird? Demo ambient jam


Company: Elka
Model: OMB-5
Class: arranger
Keyboard: 37 keys
Dates: 198x
Synthesis: digital
Sounds: 24 presets
N waves: 32 drum PCM
LFO: 1 modulator (vibrato)
Effect: analog Chorus
Sequencer: 9 tracks
Memory: 20 styles
CPU: TMS7000NL-2
Demo: 2

 

demoDEMO:

demo various arrangement
demo drum machine patterns

 

 

thumb

manual
MANUAL
(ITALIAN)

manual
SCHEMATICS

wan ted

- SOME OTHER DEMOS
- FREE SAMPLES


elka omb5 advertising
triggeroriginal advert

 

elka omb5 synthesizer
triggeroriginal advert


elka omb5 synthesizer

triggeromb5 original bag
(pic from ebay auction)

 

OMB5 FOR SALE

ELKA OMB5 for sale

CHECK OUT EBAY OFFERS

 

 

clock tempo omb5 presets omb5 sequencer

awardSPECIAL AWARDS:

solid solid
Cheesy achievement unreliable master

comment

REVIEW "Sounds very basic, but internal sequencer-arranger is quite fun! Consider many OMB5 users reported frequent technical issue."

manual manual
- retro style - no edit
-cheap - unreliable



Add Comment or Review

 

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all snapshots*, sounds, texts copyright Polynominal.com / Eric Pochesci* OMB3 pictures from ebay auctions polynominal.com is not associated or affiliated with ELKA or TEXAS INSTRUMENTS in any manner.

Elka Omb-5 Elka Omb-5 One Man Band
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