25 Strong SYLVANIA 6SN7 Tubes - All test 90%+ / 90%+
£140.12
20 Strong SYLVANIA 6SN7 Tubes. ALL STRONG GOOD WORKING TUBES. ALL TUBES AT:90%+ / 90%+. Tubes passed ALL tests. MINIMUM reading is 70%, NEW (NOS) reading is 100%+. This is very important! We strive to make this happen!