RCA 5Z4 Vacuum Tube Valve Rectifier NOS NIB American NOS NIB These tubes have pretty gray

These tubes have pretty gray and silver bottles

This DVD / CD combination plays fine

These for new old stock

new in box PhilipsECG 6J10 / 6Z10 tubes tested to spec on our Paul Hart-calibrated TV7/U

Noise: -86

RCA 5Z4 Vacuum Tube Valve Rectifier NOS NIB American NOS NIB These tubes have pretty grayThis new old stock, new in box RCA 5Z4 and another just like it tested to spec on on our Paul Hart calibrated TV7 U. The default setting is one; you must indicate the quantity you want. Etsy will indicate how many are available. 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.