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This is a listing for a Yamaha PS-20 Preset Analog Synthesizer Combo Organ Keyboard – SLIGHT FAULTS
THIS ITEM IS BEING SOLD FOR SPARES REPAIRS FAULTY DUE TO THE FOLLOWING FAULTS – WHEN THE SINGLE FINGER CHORD BUTTON IS SELECTED, THE FIRST 11 KEYS FROM LEFT TO RIGHT, WILL NOT WORK – THEY DO HOWEVER WORK WHEN OTHER FUNCTIONS ARE SELECTED.THERE SEEMS TO BE SOME CRACKLING AND SLIGHT DISTORTION WHEN THE VOLUME IS PUSHED HIGH, COULD BE A POWER ISSUE, NOT SURESOME OF THE BUTTON FUNCTIONS DON’T SEEM TO WORK.
BE AWARE THERE MAY BE OTHER FAULTS, SO BEAR THIS IN MIND WHEN BIDDING!!
The item is in SOME working order and in GOOD, USED condition. The item does have a few small surface scratches, scuffs and wear marks to the entire item, tried to get these in the pictures. You can see the condition in the pictures.
Please see pictures and zoom for a better view.THERE IS NOTHING ELSE INCLUDED!!
Specifications49 fullsizebuilt-in speaker10 note polyphony (only 4 notes with accompaniment)4 note polyphonic chordsmonophonic solo voice10 semi- OBS preset orchestra sounds {organ 1, trumpet, clarinet, piano, accordion | organ 2, string, oboe, harpsichord, vibraphone} selected by 5 OBS buttons + bank switch button8 semi- OBS preset solo sounds {violin, trumpet, trombone, piccolo | saxophone, guitar 1, guitar 2, funny} selected by 4 OBS buttons + bank switch button8 semi- OBS preset rhythms {march, waltz, tango, rhumba | disco, rock, swing, samba} selected by 4 OBS buttons + bank switch buttonlocking multi- contact push button switches to select sounds and rhythmssustain switchfingered & single finger chord”chord memory” switch (means simply that chord is held when releasing keys)2 bass variations (“multi bass”)2 arpeggio variationsrhythm “8 bar variation” switch (inserts a fill-in every 8th bar)tempo sliderseparate rhythm, chord, arpeggio and solo volume slidersAll main voice timbres seem to be made from a mixture of multiple analogue filtered squarewaves with a common digital envelope.analogue percussion {base, snare, hihat, low & high tabla(?)} sounds rather unspectacular, although possibly more realistic than many other analogue percussions. The hihat is likely mixed from 2 digital shift register feedback noise outputs at the CPU. The base is a dull popping noise.CPU “Yamaha YM1011, 16 2056” (40 pin DIL) + separate sound chip “Yamaha YM1101 E, 16 1853” (40 pin DIL).solo voice CPU(?) “Yamaha YM1102 F, 1Z 2258” (24 pin DIL) + sound chip(?) “Yamaha YM-1002, 1Y 20 28” (16 pin DIL) + filter IC “1G02611, 112 400” (14 pin DIL)solo voice tuning trimmerjacks for AC adapter, headphone, cinch sound input(!) & output and “expression” volume pedalinternal power supply module that plugs into the battery compartment
AS THIS IS BEING SOLD AS SPARES REPAIRS FAULTY – THERE WILL BE NO RETURNS OR REFUNDS ON THIS ITEM!!
All photos shown are of the actual item the winning bidder will receive. Any accessories not shown in the pictures will not be included, unless otherwise stated. We will not post this item outside of the UK or end the auction early so please do not ask. I will post this item via COURIER. Insurance is included in this price. Our preferred method of payment is PayPal. To ensure speedy dispatch please pay on day of purchase. Should the winning bidder wish to collect the item in person to save postage costs, then payment is to be made by cash on collection from Boscombe, Bournemouth , Dorset during business hours. Please check out my feedback and bid with confidence, and if you have any questions please don’t hesitate to email me directly!
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Category: Musical Instruments:Keyboards and Pianos:Electronic Keyboards
Location: Bournemouth, Dorset