Tested
Tube-1 Gm 2900/2900
Tube-2 Gm 2700/2700
Minimum Gm 1560
Gray Wing Plates, Halo "O" Getter
Date Codes na
RFT stands for Rundfunk- und Fernmelde-Technik - a group of state-owned technology companies in the former German Democratic Republic (East Germany). This company produced valves for Telefunken and Siemens and made the famous Siemens EL34. These valves are of very good quality and have excellent consistency.
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All tubes are tested using my Amplitrex AT1000 (Fixed Bias) or Calibrated Western Electric KS-15750-L2
(Similar to Hickok 539B) or my Hickok 539C
New items added every week, so check back often! (Similar to Hickok 539B) or my Hickok 539C
Shipping insurance is offered and is highly recommended!
I always combine Shipping when Possible
International bidders please e-mail me for shipping & handling quotes if not otherwise listed in Ad drop-down box. Your items will be shipped promptly after your payment is confirmed. Payment is due within 7-days of sale! Please e-mail me with any questions!