Yamaha Electone EL-90|
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An EL-90 is an open design with open space between the speakers and the pedalboard
An EL-90T is a cabinet housing
An EL-90I is white (Ivory)
An EL-90 can easily be disassembled into 5 pieces:
Also the volume and expression pedals can easily be disassembled by removing only one screw.
- the upper part (2 screws under the keyboards, just in front of the speakers and 2 screws in the back between the upper part and the speaker part)
- the speakers and amplification part (4 screws on the top and 4 screws behind plastic caps on the back)
- two side panels (two screws each, on top of the pedalboard, under a plastic cap)
- pedal board
The visible differences between an EL-90 and an EL-70 are:
Less apparent differences are:
- EL-70 has 8 & EL-90 has 16 presets between the keyboards
- EL-70 has 1 & EL-90 has 2 pedal voices
- EL-90 has an expression pedal
- EL-90 has a bigger screen (same resolution!)
Beware that I accept no responsibility for any problems that may occur when you read (and proceed) beyond this point
- EL-70 has 79 & EL-90 has 131 voices (for instance panflute)
- EL-70 has 4 & EL-90 has 6 speakers
- EL-90 has better sounding voices
- EL-90 has initial & after touch on the pedals
- More software is available for EL-90
- and some more
Read and watch me fix a pedal problem with my EL-90.
To put an EL-90 (probably the whole EL-series) in SELF CHECK MODE:
Hold down the C# Chord on the lower keyboard, starting with the second C# - while switching on the organ.
(This also displays the software versions)
Software versions I have ‘seen’ so far are:
EL-70: (C)'91/03/13 V.4.2(MAIN) V.5.0(MDRI)
EL-90: (C)'91/05/29 V.5.1(MAIN) V.9.0(MDRI)
EL-90: (C)'91/09/05 V 5.3(MAIN) V.E.0(MDRI)
I have no idea what the differences between these versions are.
Unfortunately software of the EL-x0 series can only be updated by replacing ROM's.