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Wednesday, September 07, 2011

Unlocking Yamaha E70 organ into Yamaha CS80 synthesizer


YouTube Uploaded by allvek597 on Sep 5, 2011

"Mystery is resolved. Chopped and completely electronically modified analog Yamaha E70 organ into Yamaha CS80 synthesizer. What You see now is 2 fully programmable polyphonic synths 2 OSC's per voice + fully programmable 2 OCS's per voice monophonic synth in a body of Yamaha E70. Same P.A.S.S sound technology, same analog filters and same sound, same offspring of legendary Yamaha GX1.
Any questions, please visit www.alvek.us"

Update: it looks like this one is up for auction on eBay.
Update: according to sounddoctorin in the comments below: "The E series are digital sound generation from wave memory cards. Unless there are IG00153 vco's in place of that stuff then this is to a cs80 what a Kawai K3 is to a polysix basically."

via this auction
"Here's one more organ from my collection: Yamaha E70 . What You see in the pictures is completely modified Yamaha E70 in body and electronically. Organ after chop work went 327lbs down to 130-140lbs(Yamaha CS80 is 242lbs) and under the hood all electronic carts are located pretty close to like inside of CS80. It's been a while people talking about E70 which has same P.A.S.S technology like CS80 and electronic carts, all wiring are practically the same like CS80. Yes, E70 has absolutely the same analog filters like CS80, same sound synthes and it does sound like CS80. This particular E70 has beed modified from organ into 2 and half fully programmable CS80. All presets still have same functions except FUNNYII preset green buttons. Those 3 green buttons(1 for upper, 1 for lower keyboard, 1 for pedal board or extra keyboard) function now differently. When You push FUNNY II E70 starts to work as most powerful and expensive programmable synth-Yamaha CS80. On left top of organ You see control box. The box has 3 sections: 1st for upper keyboard, 2nd for lower keyboard, 3rd for footpedal/or extra keyboard you can hook up. You can see all signs under the switches(3 waves forms sawtooth and 2 square waveshapes) and pots, they have same function like on CS80. So after all this E70 has 2 polyphonic 7 voices 2 OCSs per voice CS80 synths and one monophonic 2 OCS per note synth (pedal or extra keyboard which can be connected to E70 is monophonic, it's perfect for bass lines and pretty good even for leads as far as You will move 2 OCS slider from 16' up to 4'). Oscilators can be detunes between each other and between keyboard. Does E70 sound like CS80?. Yes, it does. Main different between E70 and CS80: no velocity and aftertouch on E70. Big flaw. On another hand You have 2 and half CS80 under the hood. You can build sound on upper keyboard and MIX IT with sound you built on lower keyboard. Also you can add organ/orchestral section(they all can be saved in memory-see small control panel on a botton of organ to left-very much the same look like on CS80) from upper keyboard AND organ/orchestral section from lower keyboard. Same thing can be done between lower polyphonic and monophonic keyboard/pedals: monosynth also can be played on first 2 octave of lower keyboard. Now You realize CS80 is kind of kind of behind! PLUS very powerful arpeggiator! and even cheesy drum machine and 100 lbs less. From control box You can see 3 cables coming inside of E70, each cable has 25 pins . The connector 9 pins in a middle of a back of E70 serves expression pedal. 3 inputs 1/4 on back are not hooked up. Could be 1/4main output(original main output on a bottom of organ)or sustain pedals-it's easy to hook up. Same about 6 inputs on control panel-they are not hooked up. It's your choice how to use them. I didn't connected any inputs for 1/4 jack, coz basically all extra functions are on control panel of organ. I don't play on stage, so I can turn on sustain effect simply by hand. The organ is absolutely stable in tune and doen't have overheat problems like CS80 Anyway, if you are still skeptical about what You read here, please check some INFO on line about unlocking Yamaha E70 and Yamaha CS80 both children of Yamaha GX1. And don't forget how much money you will save not buying CS80. Please check, read and watch all links below and You will see it's not a dream anymore. You can get 2 and half CS80 more than 4 times cheaper... compare to ebay price for last month. "

Update: new video and description in this post.













2 comments:

  1. Beautiful work. If you can make it velocity response and polyat, I am interested :)

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  2. A lot of the 'charm' of real vco synths is their ability to respond contiguously to everything that is done. The E series are digital sound generation from wave memory cards. Unless there are IG00153 vco's in place of that stuff then this is to a cs80 what a Kawai K3 is to a polysix basically. There's a reason the K3 sells for 100 or so and the polysix sells for 900 or whatever. All analog. Everything contiguous. The ability to portamento naturally between notes on the cs series. The slight drifting of oscillators creating a LIVING sound. The variation in EG lengths in the natural envelopes I might add. A living machine all the way around. Sure it's more maintenance but certain people who want precisely those things pay the price for it.

    To say something with digital tone generation is like a CS80 is missing a huge percentage of why people pay the bucks for a cs80.

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