telefunken e88cc 6922 e188cc 7308 gold pin nos diamond bottom new old stock(nos)--$300 test results-94/96,96/92 http://s1076.photobucket.com/user/llczxjlpolsy/library/telefunken%20e88cc%206922%20e188cc%207308%20gold%20pin%20nos?sort=3&page=1 Ultra low noise, have been rated by audiophiles as as good if not better than the famous Amperex 6922, the Cca, and rivalling the famed Amperex 7308 white label tubes! They are incredibly detailed for sure, hearing stuff in some recordings that didn't even know was there. Especially little nuances that really added to the performance. tubes are tested on tv-7 tube tester use by U.S army and airforce where minimum good for 6dj8, ecc88, e88cc is 62/62. strong start around 85/85 interest call--91454638-wilson/ firstname.lastname@example.org overseas and local registered postage services are available.