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ZX Spectrum+ 128K

```php ZX Spectrum+ 128K | Mister Spectrum Home Hardware Peripherals Software Publications Projects ZX Spectrum+ 128K Introduction The ZX Spectrum+ 128K was the most substantial development of the Spectrum carried out by Sinclair Research. ...

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ZX Spectrum Sound Simulator

Home Hardware Peripherals Software Publications Projects INCOMPLETE ZX Spectrum Sound Simulator Explore the ZX Spectrum's BEEP and PLAY sound commands directly in your browser. ZX Spectrum BEEP Simulator Simulate the Standard ZX Spectrum's ...

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Expansion Systems (i)

Home Hardware Peripherals Software Publications Projects Expansion Systems (i) Backplane expansion Features Original Price Velleman Interface System Motherboard (K2616) provides space for up to 4 interfaces cards.Interface Cards for Motherb ...

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ZX Spectrum Sound Amplifiers and Synthesizers

Home Hardware Peripherals Software Publications Projects ZX Spectrum Sound Amplifiers and Synthesizers The beeper originally installed inside the ZX Spectrum is actually just a buzzer which explains why the sound which comes from it is of l ...

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Page Revised: 07/09/2026