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Tube Database (7,341 tube types · 1,270 archive entries)

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Test instrument record

NRI Professional Model 69

69

Nri

Archive ID
81mrdzsy
Type
Dynamic Mutual Conductance
Model
69
Type B
Tube
Country
USA
Brands
Nri
Brand Extended
National Radio Institute

NRI Professional Model 69 tester details

Archive ID
81mrdzsy
Type B
Tube