4X 6N2P-EV 12AX7 ECC83 New in boxes Military USSR Voskhod tubes.1980

Description

Perfect 4x 6N2P-EV Military USSR tubes.
Same date 1980.
=12AX7 ECC83=
Please note that these tubes are not direct replacement of 12AX7!!!
You should rewire your amp or to buy special adapters.
OTK stamp - the sign of quality control.
Rhombus - a special sign of military use.
Condition: New in boxes NIB NOS - never used.
Made in USSR at Voskhod plant (Rocket logo).
Prefix "E" means perfect longevity and reliability not less than 1000 hours.
Prefix "V" means perfect shake and vibration resistance.
Ia has acceptable range 1.4--2.3--3.2 mA
S
has acceptable range 1.6--2.1--2.65 mA / V
I test tubes with the Best USSR tube tester L3-3. It has official verification (calibration) certificate.
You can see the photo of this document.
I ship to all countries in airmail parcels.
I combine shipping.
Parcels go WITH tracking number worldwide
.
It usually takes about 2-3 weeks to deliver to Europe and about 2-4 weeks to USA and Canada.
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