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Mullard ECL86 Tested Triode Beam Power Tube Audio Frequency Valve Rohre Radio :
$17.93
FOR SALE
Mullard ECL86 Triode Beam Power Tube AudioFrequency
Noval B9A
Triode+Beam-Output-Tetrode. With only 12%space volume, 70% heater power and 4 to 3.8 watts output power against theECL11, the ECL86 represents the final perfection of this kind of tubes.
Date Code: WS3 / B5E2.
ECL86 = 6GW8
Testedon Calibrated AVO 160 With:
a) Triode
Uf: 6.3 V~
Ua: 250 V
Ug1: -1.9V
Results: Ia = 2.4 mA (1.2 = 100%)
S = 2.0 mA/V (1.6 = 100%)
b) Pentode
Ua: 250 V
Ug1: -7 V
Ug2: 250 V
Results: Ia = 55 mA (36 mA = 100%)
S = 11 mA/V
All ourtubes are tested for shorts and gas leak.
Combined shipping is nevermore than 14.95 $ Worldwide.
Feel free to visit my store ‘euromoments’ for more vintage tubes
Items will be carefully packed to ensure save arrival.
Thank you for checking the other listings.
We ship usually within one day after payment.
