6 RCA 6DW4 6DW4B Vacuum Tubes NOS NIB Lot Of Six August 19 2025 It is somewhat microphonic

It is somewhat microphonic

This matched pair of RCA black plate triple mica 6CL6 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

new in box RCA 6LU8 tubes tested to spec on our Paul Hart-calibrated TV7/U

It sounds terrific and has great bass and sparkling highs and Donald Fagan’s voice is warm and clear as a bell

This new old stock-testing Raytheon 6L7 tube was tested on our Paul Hart-calibrated TV7/U for shorts

6 RCA 6DW4 6DW4B Vacuum Tubes NOS NIB Lot Of Six August 19 2025 It is somewhat microphonicThis lot of six new old stock, new in box RCA 6DW4B tubes tested to spec on our Paul Hart calibrated TV7. 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