Korg 900PS Preset Synthesizer

Korg 900PS Image

This is the rare Korg 900PS analog Preset Synthesizer. There seems to be some confusion about the naming (sometimes called PS900), especially since the face plate says "Synthesizer Korg Preset." The 900PS is quite a basic but very interesting monosynth. The 900PS definitely 'borrowed' some ideas from the Pro-Soloist. Instant selection of 29 different tone colors. From the sweet sound of a violin to the chugging of a steam locomotive. Sensitive soft-touch switches and plentiful controls provide a wide variety of effects including vibrato, repeat, even the harmonics you need for a Hammond organ tone.

The 900PS has 29 presets: Timpani, Electric Bass, Synthe Bass, Piano, Harpsichord, Shamisen, Banjo, Mandolin, Xylophone, Tuba, Bassoon, Horn, Cello, Trombone, Saxophone, Voice, Clarinet, Accordion, Trumpet, Funky Trumpet, Synthe Trumpet, Oboe, Violin, Recorder, White Noise, Scale Noise, Harmonics I, Harmonics II, Harmonics III.

Korg PS-900 Image

You can edit: Portamento, Repeat, Vibrato: Speed/Depth, Attack Control, Sustain Control, Harmonics Control, Traveler Control (= filter cutoff), Pitch Bend, Forte, Volume.

Korg PS-900 Image

There is also avery unique chromium rod 'touch bar' that runs the length of the keyboard in front of the keys to control: Repeat, Forte, Pitch, Vibrato, Portamento.

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9 Visitor comments
Richard
March 9, 2012 @ 5:52 am
A player's mono, with a sweet, warm sound. The peculiar metal modulation bar works great. The switches feel less than solid, but it's not as bad as on the ARP Pro/DGX. A fine classic which unfortunately suffers more from the inflated prices for all things analog than some, so it'll be hard to find one that sells for a price that's worth it.
suburbanimal
July 4, 2011 @ 9:31 am
One of the first synth Korg released(the second one has I recall) right after the MiniKorg 700.It was my first analog synth and now it's one of my favourite to compose melodies. By chance I bought it for 30€ at a garage sell, surely the biggest bargain I ever had. In my opinion 400€ is a fair price for one in really mint condition.

Nowadays some i***ts sell them 800€ which is of course completely overpriced!
suburbanimal
July 4, 2011 @ 9:04 am
A great synth for solos and smooth bass, but mostly solos or melodic lines.

Not a modulation monster at all.
A good analog synth that sounds warm, smooth and clean.

It's not fat at all in comparison to many monophonic analog synths, the low pass filter sounds very stable and the resonance is almost non existing

It's perfect if you need a clear lead sound.

The main interest is that it's limited enough to avoid messing around during hours to find a sound. I love using the vibrato and the portamento to get a psychedelic leading sound.
Corey
January 1, 2010 @ 2:45 pm
I own this little synth and it is a joy to play. Yes, it does have some limitations even compared to synonymous units of 1975. However, it does allow a fair amount of control and the tap bar on the front is a fairly unique feature to the synth world at its time. The tap bar function was more often found on some organs at the same period. My 900PS comes with a big chunky converter as it was originally set up for use in the British Isles. It plays gert and the sounds produced are quite tremendous! If you get the chance to find one of these don't pass it up! It is a fantastic part of musical tech history. Due to the rarity of this unit you can expect to pay somewhere around $400 for one in fair to good condition and up to $800 - $1000 for one in mint condition. Honestly, unless your a professional collector I wouldn't pay more than $600 but, if you can get one with all the manuals and it's 100% mint a price tag of $900 would be an honest one.
Boris
November 10, 2009 @ 1:51 pm
even with its limited features compared to modern synths of its kind. just the thing i would like to have to jam on and feel great about its creativity-stimulating simplicity. a would like to have.
 
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  • Check Price
  • The link above will take you to an eBay search for this synth to see active listings. If you don't find it there, try looking in our forum marketplace or post a wanted classified.
  • Specifications
  • Effects - Vibrato, Portamento
  • Filter - Yes "Traveler"
  • VCA - Attack, Sustain
  • Keyboard - 37 keys
  • Memory - 29 Preset Sounds
  • Control - None
  • Date Produced - 1975
  • Resources & Credits
  • Images from Korg Japan

    Reviewed November 2007.

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