2 Raytheon CRP-78 Number / Type 78 #78 Vacuum Tubes Milspec NOS NIB Lot Of Two Loktals Matched Draw Tube One measured 66/53 while

Tube One measured 66/53 while Tube Two measured 67/57 where minimum (65%) is 50/50

new in box US-made 6CM7 tubes tested to spec on our Paul Hart-calibrated TV7/U

I just cleaned this two LP set on my VPI 16

Gain: 16 / 16

This variety has black

2 Raytheon CRP-78 Number / Type 78 #78 Vacuum Tubes Milspec NOS NIB Lot Of Two Loktals Matched Draw Tube One measured 66/53 whileThis lot of two new old stock, new in box milspec (US Navy) Raytheon CRP 78 number type 78 tube tested to spec on our Paul Hart calibrated TV7 U. They come in nifty Western Electric boxes dated April 21, 1941 in fulfillment of a US government contract for which WE had insufficient capacity and had to subcontract out. 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