Philips
ECC83 Philips 12AX7 Ribbed plates, Big O getter, Heerlen Delta codes NOS NIB
ECC83 Philips 12AX7 Ribbed plates, Big O getter, Heerlen Delta codes NOS NIB
Regular price
€174,50
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€174,50
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One (1) tube, rare ECC83 12AX7 Philips Miniwatt, Ribbed plates, Big O getter, Delta codes NOS NIB, made in Holland, Heerlen tube plant in 1960.
They are tested with 250V on plates and -1.5V on grids:
Tube : 2.55 / 2.45 mA
100% value for NOS tube is 2.15mA
