The Elektor polyphonic synthesizer was a design published in Elektor magazine from October 1981 to July/August 1982, based on Curtis ICs .
Description The synthesiser design is an expansion of the monophonic Elektor new synthesiser , with a Z80-A CPU to scan the keyboard and to store preset sounds. It can have up to ten voices each consisting of one or two VCO modules, one combined VCF /VCA module and one dual ADSR module. The design of a compatible digital oscillator was published in June 1985.[1]
List of articles
Issue
Month
Year
Article name
Author
PPNo
Key components
Corrections
078
Oct
1981
Synthesiser IC's
H. P. Baumann
10-18
080
Dec
1981
The new synthesiser - The VCO module
Not Given
12-39
2 x CEM3340
081
Jan
1982
Combined VCF/VCA module
Not Given
1-22
CEM3320, CA3080
082
Feb
1982
Dual ADSR and LFO/noise modules
Not Given
2-24
2 x CEM3310
083
Mar
1982
Polyphonic synthesiser
Not Given
3-51
085
May
1982
Polyphonic synthesiser
Not Given
5-17
085
May
1982
Z80-A CPU card
U.Goetz and R. Mester
5-28
Z80, 2114 RAM
Jul/Aug 82, 8-02
086
Jun
1982
The 'poly' bus
Not Given
6-36
087/088
Jul/Aug
1982
Output unit and keysoft for polyformant
Not Given
7-92
ZN426
Sep82,9-53
122
Jun
1985
Digital oscillators
Not Given
6-54
[2] See also References
^ Elektor magazine from October 1981 to March 1985.
^ Compiled by Mike Gorman from the original magazines.
External links Scans of Elektor at Archive.org
Scans of Elektor at World Radio History 
