*****SELLING TO WORLDWIDE*****
***** Testing for "ONE" of anyone listed Western Electric & etc.. 300B,,274B/274A,,437A,,448A,,418A,,435A & 8233 ,,7868,,PX25,,596,,1641,,etc.We test tubes for transconductance and plate current on Class A testing using Dan Nelson's newly calibrated NATO specs TV7.
****Four or more get 15% discount.
>>>Please include in sending the same amount of your shipping for return shipping & please mark your tubes before sending to avoid mixing.
****** Worldwide shipping WILL BE BY USPS MAIL.
******PLEASE CHECK MY OTHER COOL AUDIO STUFF..
*****QUESTIONS ARE ALWAYS WELCOME.