I have several pairs of black plate 5687s for sale.
The Tung Sols were purchased from Modwright, the Raytheon from Vintage Tubes Services.
The used ones were recently checked by a friend on his tester, where 92 is new, and have no shorts or gas leaks.
One new pair of Tung Sol. SOLD.
Two used pairs of Tung Sol that all measure 90/90. SOLD
One used pair of Tung Sol that measures 91/91 and 90/91. SOLD
One pair of Raytheon (line select) that measures 90/89 and 90/90. SOLD.
$60 for the new pair. $30 for one used pair, $55 for two, $100 for all four; including Paypal and shipping/delivery confirmation to the lower 48.
I have an all positive rating of 378 on A'gon. under the same user name.
