microphonic_singles_JAN_5687WB_Tungsol_branded_Raytheon_black_plates_U_getter_NOS_1950_s_3_in_stock

(!!!!) (microphonic singles) JAN-5687WB Tungsol branded Raytheon black plates “”U”” getter NOS 1950”s (3 in stock)

Category: SKU: TOY391169

$3.00 $9.99

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3 microphonic single tubes) JAN-5687WB Tungsol branded Raytheon black plates “”U”” getter NOS 1950”s in white boxes

Tested on Amplitrex

Vplate=120V

Vgrid=-2V

Good Ma range 30-35ma

Good Gm range = 10K-12K

Recommended for

Manley

Modwright

Audio Note

Ray Samuels

Ayon

Kondo

Mastersound

Audio Thrills

Loth

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