Original Price according to SPOT/SPEX:
sound effects; originally for ZX-81, but Spectrum adaptor available
"Make amazing sounds with your Spectrum." 8 octaves, 3 channels with full control over pitch, volume, tones and noise, all with envelope control. Usable in your own Basic or M/C programs. Because this devices used the A4 address space, it is not compatable with the Interface 1 and Micrdrive. Because this was originaly a ZX81 interface, a small additional board is required. It sits between the ZON X and the Spaccy, and conatins a 3.5Mhz oscillator to stabalise the frequency.
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