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(!) (Recommended Pair) 1619 RCA NOS 1956 made for Marconi Canada (53ma and 58ma)

(!) (Recommended Pair) 1619 RCA NOS 1956 made for Marconi Canada (53ma and 58ma)

$ 27.99

1 pair) 1619 RCA NOS 1956 made for Marconi Canada in white boxes

1 tube) 53ma Gm=4950

1 tube) 58ma Gm=4850

 

Matched on Amplitrex

Vplate=300V

Svcreen=250V

Vgrid=-8.3V

Good Ma = 44-50ma

Good Gm = 4000

 

2.5 Volt filament

15 watts

 

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