4 Amperex / Philips Group 1S2 1S2A DY87 Vacuum Tubes Valves NOS-Testing Lot Of Four JAN-CKR-2C22 7193 I am playing them in

I am playing them in one my Radio Craftsmen RC2 mono blocks as I write and they sound super

These six new old stock-testing

IN NEARLY 9000 SALES

but followed the original score and was recorded in the latter 1950s

4 Amperex / Philips Group 1S2 1S2A DY87 Vacuum Tubes Valves NOS-Testing Lot Of Four JAN-CKR-2C22 7193 I am playing them inThis lot of three new old stock testing 1S2A DY87 tubes werw tested 68 on our Paul Hart calibrated TV7 U for shorts, gas and emissions. There were no shorts or gas and they measured as follows: 57, 67, 68 and 82 where minimum (65%) is 32 and 100% is 49. IN 2021 WE PURCHASED 150,000 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