Matched Trio Raytheon 5Z4 Vacuum Tubes Rectifiers Lot Of Three 7025 NOS NIB copper support rods and gray

copper support rods and gray plates

GM-BRANDED 6SK7 tested as good on our Paul Hart-calibrated TV7/U

but should work fine

I am playing them in my ArtSound single-ended 805 monoblocks with Steely Dan’s seminal "Aja" album

Matched Trio Raytheon 5Z4 Vacuum Tubes Rectifiers Lot Of Three 7025 NOS NIB copper support rods and grayThis matched trio of Raytheon 5Z4 rectifier tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and emissions. They tested 51 52, 54 53 and 54 55, respectively, where minimum (65%) is 40 40. They have 280 739, 280 739 and F1 date codes, respectively. 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