4 Philco Number / Type 41 #41 Vacuum Tubes Clear Bottle Lot Of Four Rega P1 Mono LP new in box Zenith 6JH8

new in box Zenith 6JH8 tubes tested to spec on our Paul Hart-calibrated TV7/U

They are lightly microphonic and not suitable for environments with excessive vibration

Tube One measured 31 while Tube Two measured 33 where minimum (65%) is 22

This hard cover book is in good condition

Tube One: 20 milliamps' plate current

4 Philco Number / Type 41 #41 Vacuum Tubes Clear Bottle Lot Of Four Rega P1 Mono LP new in box Zenith 6JH8These four Philco clear bottle type number 41 tubes tested as follows on our Paul Hart calibrated TV7 U: 42, 56, 58 and 60 where minimum (65%) is 40 and 100% is 62. 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