6SN7GTB – Page 5

GE 6SN7GTB Vacuum Tube Vintage Tested Good with Original Box

Model 257 tester on 6/25/26. Original GE box has minor signs of wear/age.

(2) RCA 6SN7GTB Vacuum Tubes | Long Black Plates | Bottom D Getters. Tube 2 Emissions 93% & 93% | GM 100% & 100%.

Up for sale are 2 Western Union 6SN7GTB Tubes made by RCA.

Model 6SN7GTB. Condition Tested. ALL TUBE AUDIO. Minimum Good Value: 50/50.

Matched Pair 1958 GE Side Getter 6SN7GTB Tubes. These tubes test 85/85 where a new tube tests 85/85.

Model 257 tester on 6/25/26. Clean, but mismatched GE box.

PairRCA 6SN7GTB. Black Plate Balanced Tubes. These tubes test 85/85 and 90/90where a new tube tests 85/85.

3 NOS TUBES FROM THE SAME BATCH NEVER USED

NOS Pair RCA 6SN7GTB Vacuum Tubes Tall Bottle | Black Plates | D Getters | Matched Codes 1963 Production. Tested on an Amplitrex AT1000.

(2) RCA 6SN7GTB Vacuum Tubes | Long Black Plates | Bottom D Getters. Tube 2 Emissions 86% & 90% | GM 80% & 96%.