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(!!!!) (#1A 5687WB Sylvania Pair) 5687WB Sylvania black plates NOS 1980 (Highest Ma and Gm) 1% matched

(!!!!) (#1A 5687WB Sylvania Pair) 5687WB Sylvania black plates NOS 1980 (Highest Ma and Gm) 1% matched

$ 67.99

1 low noise pair) JAN-5687WB Sylvania black plates NOS 1980

1 tube) 39.0/41.0ma Gm=12,400/12,800

1 tube) 39.0/40.5ma Gm=12,200/12,800

 

Good Ma range 30-40ma

 

 

Recommended for

Manley

Modwright

Audio Note

Ray Samuels

Ayon

Kondo

Mastersound

Audio Thrills

Loth

 

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