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The owner's manual/operating instructions that I purchased was the original factory document and it was in at least three and maybe more languages. I no longer have it because I sold the tape recorder and included the owner's manual/operating instructions and a service/repair manual that I bought on ebay for the new owner.
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This manual is very useful. Because pioneer sx-q180 is unhandy to use without manual.
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Manual was destroyed and this purchase made it possible to recover my manual . It was easy to down load and smooth to use thanks .
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Turns out this was not the manual i was looking for. The concertmate 670 keyboard i have is a "Realistic" model made for Radio Shack and none of the diagrams on the owners manual i received matches up. HOWEVER, I must say the service Owners Manual provides was fast and efficient by being available online. The manual was in good readable condition and easily downloaded.
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Great price, Quick delivery, the document was very usefull A+++++++++++++++
9. History: The story behind the Electro 2 instruments
NORD ELECTRO 2 V2.0x
As shown here, Rhodes electric pianos had a different key-mechanism design than what was used in Wurlitzer electric pianos. The Rhodes mechanism was of simpler construction.
The Rhodes Mark II is very similar in design to the Mark I. The differences include an improved mechanical design, plastic hammers with neoprene rubber instead of felt. The keys were made of plastic and metal; previously, wood was used.
A Rhodes electric piano shown under-the-hood. The basic patent in the Rhodes comprised the tine, or metallic asymmetric tuning fork, which made the actual tone. The upper metal parts are the legs of the tuning forks; the underneath parts comprise the tines. The black part mounted on one of the upper tuning forks helps alleviate unwanted harmonics.
This shows quite well the tuning-fork design with the tines. This model features plastic hammers with neoprene tips. The dampers are underneath the tines. Note the springs attached to each tine. Moving them tuned the note. The coils are the white things to the left in the figure. The photo also shows the solution for tuning lower notes when the leg of the tuning fork needs to be curved to get the right balance and tone (top of picture).
Here is another viewing angle that illustrates the action of a Rhodes electric piano's mechanics. The lower note has been hit and the damper is now muting the decay. A secondary note is going to be hit. You also can see the magnet tip. In this case, the piano has been adjusted to "deep" timbre. You can see that the tine is set a bit above the center of the magnet tip.
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