CASIO MT-540 KEYBOARD SYNTH with MIDI + Power Supply

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CASIO MT-540 KEYBOARD SYNTH with MIDI + Power Supply

This is a great looking and sounding Casio MT-540 keyboard, from the 1980's. This unit is in good condition, with some scuffs. The underneath has some marks where it was placed on a hot amp or something that left the round marks on the bottom, but this does not affect play at all. The Keys, Buttons, switches, sliders and speakers are all in great shape. There are some removable note stickers on the keys, and these can come off if you wanted to do so. It also has the battery cover, which often gets lost on these keyboards! It will come with a power supply as well, not shown in the photo.

There are preset tones and drums, with a wonderful stereo sound, accompaniment bass and chord sounds, and MIDI, which can be used to play other intstruments, and / or a Midi controller. The colorful buttons in the center of the keyboard are ambient sound effects, very cool! 

It has an output jack for external speakers, headphones, amp, stereo, PA system, analog or digital recorder or anything else you want to plug it into. Below are some great specs taken from a great website on these type keyboards : CYBERYOGI =CO=Windler's keyboard site "WarrantyVoid" link

main features:

• 49 midsize keys (well responding)
• 2 built-in 11cm speakers (of reasonable quality, stereo)
• main voice polyphony up to 10 notes (only 4 with accompaniment, 5 with dual voice sounds, 2 with dual voice + accompaniment)
• 20 semi- OBS preset sounds {piano, harpsichord, vibraphone, jazz organ, pipe organ, brass ens, flute, bells, percussion, sound effect 1 | elec piano, funky clavi, jazz guitar, organ, accordion, strings, chorus, synth-ens, bass, sound effect 2} (selected through 10 OBS buttons + bank switch button)
• 10 additional hidden preset sounds {metallic sound, honkytonk piano, marimba, oboe, synth-reed, harp, synth-celesta, synth-clavi, fantasy, miracle} (accessible through MIDI or circuit bending)
• 20 semi- OBS preset rhythms {rock 1, 8 beat 1, 16 beat 1, disco 1, pops 1, slow rock 1, swing, samba, bossa nova, waltz | rock 2, 8 beat 2, 16 beat 2, disco 2, pops 2, slow rock 2, reggae, tango, beguine, march} (selected through 10 OBS buttons + bank switch button)
• 8 OBS sound effect pad rubber buttons {forest, ocean, street, space wars, rainy day, evening, concert hall, wild western} (with additional hold and "fade in/ fade out" pads, apparently also used to set MIDI channels in MIDI mode)
• master volume slider
• separate accompaniment (with rhythm) and sound effect volume slide switches (each 5 steps)
• "210 tone bank" button (to layer any 2 preset sounds for dual voice mode)
• single finger & 2 fingered accompaniments (only standard chords, manual chord with rhythm off)
• fill-in & intro/ ending buttons
• tempo +/- buttons (43 steps?)
• wavetable sound generator with sounds based 2 mixed medium resolution loop samples with independent, partly complex algorithmic volume and pitch envelopes. Apparently there is an oversampling feature built-in, because low notes do not turn rough, grainy or hissy but only duller.
• multi- chip hardware:
  • CPU= "NEC D938GD  005, 8843XK204, Japan" (120 pin SMD)
  • ROM?= "NEC D23C2000AC-1 501, 8845KD001, Japan" (40 pin DIL)
  • RAM?= "HN62404P, 9A1, 693, Japan" (40 pin DIL)
  • MIDI controller IC= "NEC, D4364C-15LL, 6808BU003, Japan" (28 pin DIL)
  • IC "Sanyo LC7880, 85Y38" (20 pin DIL)
• simple sequencer (record & playback of all sounds and changes, no edit)
• demo melody "Night Birds" by Shakatak (latin/ fusion music with effect sounds)
• auto power-off
• jacks for AC- adapter & sound output, MIDI in & out

This Casio will come with a power supply, but it can also take batteries if you're on the go!

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For the beginner, the collector, kids or circuit bender!