1 pair) 811 RCA used/strong same style ribbed plate – different internals
1 tube) 60/36 (1940”s) branded RCAF Made for Canadian GE (1) large “”D”” getter and (4) metal clips supporting top mica
1 tube) 57/36 (1953) branded JAN-CDZ-811 Electronic Enterprises (2) small “”D”” getters and (2) mica spacers supporting top mica
– WAVAC MD 811A
– ALTEC LANSING 1570B
– Ideal Innovations, Canada
– Nat. Audio


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