4 US-Made 12K5 Vacuum Tubes Valves NOS NIB Lot Of Four 5850 It is somewhat microphonic

It is somewhat microphonic

These tubes have dark-gray

crenelated mica spacers and excellent flashing

The vinyl is heavy with a light to lightly-moderate amount of pops and ticks

There are six new old stock

4 US-Made 12K5 Vacuum Tubes Valves NOS NIB Lot Of Four 5850 It is somewhat microphonicThese four new old stock, new in box US made 12K5 tubes 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 UP