Amperite 3TFV4 Ballast Tube NOS NIB Stereo PPSD-98009 2 hertz vibrasender / vibrasponder

2 hertz vibrasender / vibrasponder appears fresh and new

35 and 42 where minimum (65%) is 26 and 100% is 40

5 milliamps' plate current and measured 2760 micromhos

This Zaerix 6CU7 / ECH42 tube tested to spec on our Paul Hart-calibrated TV7/U

Amperite 3TFV4 Ballast Tube NOS NIB Stereo PPSD-98009 2 hertz vibrasender / vibrasponderThis new old stock, new in box Amperite 3TFV4 ballast tube tested to spec on our Paul Hart calibrated TV7 U. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS ITEMS