4 GM Delco 5BE8 Vacuum Tubes Valves NOS NIB Lot Of Four September 10 2025 tall bases

tall bases

Tube One measured 30 while Tube Two measured 32 where minimum (65%) is 22 and 100% is 49

Transconductance was 1240 for Tube One and 1380 for Tube Two where new/nominal is within one standard deviation of 1900

36 and 48 where minimum (65%) is 29

These three RCA large logo 6F5s were tested on our Paul Hart-calibrated TV7/U for shorts

4 GM Delco 5BE8 Vacuum Tubes Valves NOS NIB Lot Of Four September 10 2025 tall basesThese four new old stock, new in box US made 33GY7A 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