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Best_Pair_2_5687WA_and_5687WB_GE_black_plates_like_new_1970_s_39_38_5ma_and_37_41ma_Highest_Ma_and_Gm_Title_5687WA_and_5687WB_GE

Best_Pair_2_5687WA_and_5687WB_GE_black_plates_like_new_1970_s_39_38_5ma_and_37_41ma_Highest_Ma_and_Gm_Title_5687WA_and_5687WB_GE

(!!!!!) (Best Pair #2) 5687WA and 5687WB GE black plates like new 1970”s (39/38.5ma and 37/41ma) (Highest Ma and Gm) Title: 5687WA and 5687WB GE

Category: vacuum tube SKU: TOY393229

$21.00 ~~$69.99~~

Rated 0 out of 5

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1 low noise tube) 5687WA and 5687WB GE black plates – same build – test like new 1970”s in white boxes

1 tube) 39.0/38.5ma Gm=11,400/12,000

1 tube) 37.0/41.0ma Gm=11,150/11,650

Good Ma range 30-35ma

Recommended for

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