2 X 5687 CALVERTRON TUBE. 1950s TUNG-SOL PROD. D-G. MATCHED PAIR. 43. CB400
2 X 5687 CALVERTRON TUBE. 1950s TUNG-SOL PROD. D-G. MATCHED PAIR. 43. CB400
2 X 5687 CALVERTRON TUBE. 1950s TUNG-SOL PROD. D-G. MATCHED PAIR. 43. CB400
2 X 5687 CALVERTRON TUBE. 1950s TUNG-SOL PROD. D-G. MATCHED PAIR. 43. CB400
2 X 5687 CALVERTRON TUBE. 1950s TUNG-SOL PROD. D-G. MATCHED PAIR. 43. CB400
2 X 5687 CALVERTRON TUBE. 1950s TUNG-SOL PROD. D-G. MATCHED PAIR. 43. CB400
2 X 5687 CALVERTRON TUBE. 1950s TUNG-SOL PROD. D-G. MATCHED PAIR. 43. CB400
2 X 5687 CALVERTRON TUBE. 1950s TUNG-SOL PROD. D-G. MATCHED PAIR. 43. CB400
2 X 5687 CALVERTRON TUBE. 1950s TUNG-SOL PROD. D-G. MATCHED PAIR. 43. CB400
2 X 5687 CALVERTRON TUBE. 1950s...
2 X 5687 CALVERTRON TUBE. 1950s...
2 X 5687 CALVERTRON TUBE. 1950s...
2 X 5687 CALVERTRON TUBE. 1950s...
2 X 5687 CALVERTRON TUBE. 1950s...
2 X 5687 CALVERTRON TUBE. 1950s...
2 X 5687 CALVERTRON TUBE. 1950s...
2 X 5687 CALVERTRON TUBE. 1950s...
2 X 5687 CALVERTRON TUBE. 1950s...

2 X 5687 CALVERTRON TUBE. 1950s TUNG-SOL PROD. D-G. MATCHED PAIR. 43. CB400

€129.99

Description

2 X 5687 TUBE. NEW OLD STOCK IN ORIGINAL BOX.

BRAND: CALVERTRON. 1950s TUNG-SOL PRODUCTION.

BLACK PLATES, D-GETTER, COPPER RODS, MATCHED PAIR.

TESTED IN AMPLITREX AT1000 TUBE TESTER:

85/88% EMISSION (EM) 92/92% TRANSCONDUCTANCE (GM) 0.4/0.4mA/V GAS

96/93% EMISSION (EM) 92/96% TRANSCONDUCTANCE (GM) 0.6/0.4mA/V GAS

Product Details

Brand
CALVERTRON
Model
5687
1 Item

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