* The Spectrum +2 case design is comparable to the CPC464's case design because of the internal datacorder. The Spectrum +3 design shares some similarities with the CPC6128, the case design is similar with it's internal 3" disc drive, and the disc controller is the same as the CPC6128's. The CPC464 and CPC6128 came before these Spectrum's, so it is clear Amstrad used those as inspirations to update the Spectrum design.
* In France, every machine that didn't provide an RGB output was doomed as TVs were in SECAM, not PAL. Had Sinclair understood the need for an RGB output in France, the ZX Spectrum would have certainly been a success there, just like it did in the UK and Spain. The success of the [[Oric 1/Atmos|Oric]] in France proves it.
=== General Sound ===
"General Sound" (GS) is a sound card for ZX-Spectrum 48/128/etc... developed by X-Trade in 1997 as a commercial product. It is a 4 channel, 8-bit sound board with similar capabilities as the Amiga Paula chip. It has its own Z80 CPU onboard running at 12MHz, and 128KB of memory (16KB ROM and 112KB of RAM). The GS was very popular in Eastern Europe.
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