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12AX7A HITACHI Labeled Baldwin Short Gray Plates Matched Tubes Made in JAPAN '63

  • 12AX7A HITACHI Labeled Baldwin Short Gray Plates Matched Tubes Made in JAPAN \'63
  • 12AX7A HITACHI Labeled Baldwin Short Gray Plates Matched Tubes Made in JAPAN \'63
  • 12AX7A HITACHI Labeled Baldwin Short Gray Plates Matched Tubes Made in JAPAN \'63
  • 12AX7A HITACHI Labeled Baldwin Short Gray Plates Matched Tubes Made in JAPAN \'63
  • 12AX7A HITACHI Labeled Baldwin Short Gray Plates Matched Tubes Made in JAPAN \'63
For English Language see below

12AX7A HITACHI Brand Baldwin Short Gray Plates O Getter Matched Tubes MADE IN JAPAN '63
Prodotte da HITACHI etichettate Baldwin.
Stesso data di fabbricazione
Loghi usurati come da foto
Testate su AVO VCM 163 Tube tester:
Voltage Test: Va = 250V, Vg = -2V, Vf = 6,3V
Media 100% Gm = 1600
RISULTATO DEL TEST: FORTE/MOLTO FORTE
Valvola 1:
Sezione 1: Gm 1500 Ia 1,1 mA
Sezione 2: Gm 1600 Ia 1,3 mA
Valvola 2:
Sezione 1: Gm 1600 Ia 1,3 mA
Sezione 2: Gm 1400 Ia 1,0 mA
Ulteriori test eseguiti con SUPERIOR INSTRUMENTS TV-II Tube Tester:
Test Microfonicità
Qualità dell'Emissione
Test per Cortocircuiti
Spedizione con imballo protetto per una maggiore sicurezza.

12AX7A HITACHI Brand Baldwin Long Gray Plates O Getter Matched Tubes MADE IN JAPAN '63
Manufactured by HITACHI labeled Baldwin.
Same data code
Logos worn off as pictured
You are bidding for a Matched Pair
Tested on AVO VCM 163 Tube Tester:
Voltage Test: Va = 250V, Vg = -2V, Vf = 6,3V
Average 100% Gm = 1600
TEST RESULT: STRONG/VERY STRONG
Tube 1:
Section 1: Gm 1500 Ia 1,1 mA
Section 2: Gm 1600 Ia 1,3 mA
Tube 2:
Section 1: Gm 1600 Ia 1,3 mA
Section 2: Gm 1400 Ia 1,0 mA
Other test made with SUPERIOR INSTRUMENTS TV-II Tube tester:
Test for Microphonics
Test for Emission Quality
Test for Shorts
Shipping with protected packaging for best security.

Versions

12AX7 Baldwin by HITACHI

00391
€50.00

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