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(!!!!) (Recommended Pair 1956) JTL-5687 Tungsol black plates "U" getter halo like new 1956 (36/37ma and 34.5/36ma) (High Ma and Gm)

$ 129.99

1 low noise pair) JTL-5687 Tungsol black plates "U" getter halo like new 1956 in white boxes

1 tube) 36/37ma Gm=11,000/11,200 (620=1956)

1 tube) 34.5/36ma Gm=12,000/12,200 (607=1956)

 

Matched on Amplitrex 

Good Ma range 30-35ma

Good Gm range 10,000-12,000 

 

  

Recommended for

Manley

Modwright

Audio Note

Ray Samuels

Ayon

Kondo

Mastersound

Audio Thrills

Loth

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