Ken Rad 50 tube Engraved Base strong tested
This is a single Ken Rad 50 tube big balloon. Engraved base, very early. Tested strong please look at the results below. Base says Ken Rad MADE IN U.S.A. MK3. You get what you see. For more details please look at the pictures. Tube will be triple boxed and fully insured.
Testing results:
Ua=250V
Ug1= -45V
Uf=7,5V
Than Ia= 27mA
Mutual Conductance uMhos 1580 or 1,58mA/V
Ua=300V
Ug1= -50V
Uf=7,5V
Than Ia= 40mA
Mutual Conductance uMhos 1550 or 1,55mA/V
Shipping is 30 Euro by insured Airmail to USA, Asia, Russia etc. (about 10 - 20 days)
Payment is possible via PayPal (+5% for the PayPal fees) or bank-to-bank transfer.
Please look at my other offers with audio equipment (Save shipping cost).
This price is the price for any customer OUTSIDE the European Union. This item will NOT be sold inside the European Union, unless you have a valid VAT-ID (only companies) or you are willing to pay 17% extra VAT. Please note that it is possible that you have to pay customs in your country. Items sold are vintage and used. So there is no guarantee. Buyer takes all risks of using and damage - of the item itself and caused by the item! Using the items needs special knowledge - technical and about security. Only use the items if YOU really know how to do!
Thank you.
