2x Tube Valvo ECC83 Ecc 83 12Ax7 Audio Tubes short ribbed plate r tested  good

 AF twin triode. AF amplifiers phase-splitting stages
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All Valvo Audio Tubes are slightly used with the VAlvo Logo on the tube . VAlvo is the german brand of Philips which is same quality like Mullard which was philips UK Brand

Tubes are selected and tested good on my calibrated tubetester . I tested them also on audio equipment - they sound great! 

this tube have both same code I63 (Delta) 0J3 -> made on the same day and same machine

here are the tested mesurements (Va=250 V , Vg = -2 V Ia= 1,2 mA = 100 % , good begins at 0,7 mA)

Tube 1: 1,3 / 1,3 mA  
Tube 2: 1,3 / 1,4 mA

no boxes for these tubes
 
If you have any questions about this item please feel free to mail.

I ship your item immediatly after receiving the payment.

I send all items in very save packing and add no cost for packaging. If you won several items, no problem to ship them in one package, please ask for shipping rates. it´s possible to ship up to 20 tubes for 29 us$