6 Philco 9BR7 Vacuum Tubes NOS NIB Lot Of Six

6 Philco 9BR7 Vacuum Tubes NOS NIB Lot Of SixThese six new old stock, new in box GE 6AH6 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 UP TO

This tube has black plates

It sounds very good with an occasional pop and tick audible in the pianissimo passages

ETSY PURCHASE PROTECTION COVERS ITEMS UP TO $250 IN VALUE

The disks are well-made and quiet with just a few pops and ticks here and there

Tube One measured 63 while Tube Two measured 67 where minimum (65%) is 43

There were no shorts or gas and they measure as follows:

CHINA IS AN EXCELLENT EXAMPLE

There are six new old stock

CUSTOMS DELAYS CAN ADD WEEKS TO DELIVERIES

IF A TUBE FAILS AFTER YOU GET IT

The spine is in fine shape with no loose pages

Transconductance readings are 26