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ROBERTS RIC1

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Front View [26K]
Top View [13K]

  • Released August 1968
  • M.W. and L.W. Wavebands
  • 3 Transistors + 1 Integrated Circuit
  • 9V Battery
  • Original cost unknown.
NOTES This is the first British radio to utilise an integrated circuit, from an era when Roberts were equated with quality products.

The integrated circuit (TAD100) contains the equivalent of 11 transistors plus 10 resistors and replaces the entire R.F. / I.F. stage. However A.F. amplification is taken care of by 3 transistors.

Also of note is the use of a ceramic reasonator for I.F. filtering.
SERVICE DATA A copy of the Trader service sheet #1884 can be found on CD#2.
CURRENT STATE I acquired two of these. Externally the first is basically sound with just the front speaker grill needing slight straightening; however when switched on there is a loud continuous noise, and there are signs of internal battery leakage. The second one is somewhat rough externally but internally is sound and it even works. The plan is to make one good 'un out of the pair.
WHERE FOUND Both liberated from the June 2003 Harpendon BVWS bash, the first for £4 and the second one for a quid. That totals about the same as a new battery :-/

Internal gubbins [13K]Small PCB [15K]


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J.Evans 2003
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THE POST 1960 RADIO GALLERY
Last updated
8th June 2003