Sinclair ZX Spectrum 48K rubber key with composite video mod and original Sinclair PSU


Thanks for looking at our Sinclair ZX Spectrum 48k computer with PSU, upgraded with composite video modification to work on modern TV’s!

In stock


Thanks for looking at our listing for this Sinclair ZX Spectrum 48k rubber key

RDR Spectrum 48k - 001-653044-IMG_4756This really is another nice Spectrum that we are selling from our collection of retro computers.

Issue 3 Board

Work done:

  • Changed voltage regulator for 2amp 78S05
  • Full recap – replaced all electrolytic capacitors
  • Composite mod performed – replaced the innards of the RF modulator with a PCB that will let you use the RF phono socket on the back of the Spectrum to connect to a newer TV AV socket
  • Power socket replaced
  • Replaced ULA with tested 6C
  • Z80 socketed and replaced
  • New keyboard membrane fitted
  • Cleaned the cases inside and out
  • Re-capped PSU

RDR Spectrum 48k - 001-653044-IMG_4764RDR Spectrum 48k - 001-653044-IMG_4766Serial Number: 001-653044

The Speccy has been tested for 2 hours using a diagnostic ROM.  Tape loading has also been tested using a MaxDuino.

This is a genuinely nice Sinclair ZX Spectrum 48k.  See pictures for detail.

Any questions please get in touch!

Additional information

Weight 3 kg
Dimensions 80 × 40 × 30 cm

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