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5687WA Raytheon black plates used/very good 1960 era (38/39ma) (High Ma and Gm)

5687WA Raytheon black plates used/very good 1960 era (38/39ma) (High Ma and Gm)

$ 17.99

1 low noise tube) JRP-5687WA Raytheon black plates used/very good 1960 era in white box

38ma Gm=11,900

39ma Gm=12,500

 

Good Ma range 30-35ma

 

Recommended for

Manley

Modwright

Audio Note

Ray Samuels

Ayon

Kondo

Mastersound

Audio Thrills

Loth

 

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