Beverly Sills Concert With Artists Of The Chamber Music Society Of Lincoln Center 7.5 IPS 4 Track Open Reel Tape ABC Records ATS 20011 JRC9003 These four US-made 7A7 tubes

These four US-made 7A7 tubes tested as follows on our Paul Hart-calibrated TV7/U where minimum (65%) is 44 and 100% is 68:

29 and 30 on our Paul Hart-calibrated TV7/U where minimum (65%) is 25 and 100% is 38

steel plates and steel suppost rods

They measured 80/66

There were no shorts or gas and transconductance measured as follows:

Beverly Sills Concert With Artists Of The Chamber Music Society Of Lincoln Center 7.5 IPS 4 Track Open Reel Tape ABC Records ATS 20011 JRC9003 These four US-made 7A7 tubesThe following artists contributed to this tape: Gervase DePeyer; Leslie Parnas; Paula Robison; Charles Treger and Charles Wadsworth. The selections are as follows: Bravour; Variations On A Theme Of Mozart; Ah Vous Dirai Je, Mamam; Der Hirt Auf Dem Felsen; The Soldier Tir'd Of War's Alarms; Meine Seele Hort Im Sehen; Cantata La Rosa and Lo, Here The Gentle Lark. I sold my quarter track deck years ago and cannot give you a report on how this tape