Fulcrum Products

Hillside Steep Lane, W. Sussex UK


Provides missing feedback. Beep in SLOW and FAST modes. Fits inside case under keyboard or PCB; suits most full size keyboards.
TS 1000
Removes guesswork from adjusting cassette recorder volume. Optimum level attained when red and green LEDs flash in unison. Plugs between computer and recorder.
TS 1000
TS 1000
Black with red lettering: “Sinclair ZX81”.


  • Letter from England (Sync v3 n1)
    One of the advantages of living in England, home of Sinclair Research, is that we get to try out some of the “extras” before anyone else. Here are some of the things that may cross the Atlantic from England for the ZX81.
  • New Products and Services (Syntax v3 n9)
    New products from f/22 Press, NIM Electronics, Stuart Software, Norris Electronics, G. Russell Electronics, Lyon Ware, Fulcrum Products, Martin Irons.
  • Resources (Sync v2 n5)
    Listing of new user groups, books and other resources.



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