* [[File:Amstrad SSA-1_User_Instruction_Manual.pdf]] (pdf)
* [[Manual of the Amstrad SSA-1 Speech Synthesizer]] (jpg's)
* [https://framagit.org/offset/ssa-1-acepansion SSA-1 ACEpansion] on Framagit
== Other Speech Synthesizers ==
* [https://github.com/lambdamikel/Speak-SID Speak-SID ''SSA-1 emulation''] Speech Synthesizer, SID Soundcard, MIDI IN SID+AY Synthesizer
* [[Dk'tronics Speech Synthesizer]]
* [[MHT Speech Synthesizer]] (MHT Ingenieros)