2 Matched 1958 RCA 6SN7GTB Tubes - Black Ladder Plates, Bottom [ ] Getter
![2 matched 1958 RCA 6SN7GTB tubes - Black Ladder Plates, Bottom [ ] Getter](https://pic2-e.avaluer.net/imgspic/b/k/k/w/q/-2_matched_1958_rca_6sn7gtb_tubes___black_ladder_plates__bottom___getter-1_155.jpg)
![2 matched 1958 RCA 6SN7GTB tubes - Black Ladder Plates, Bottom [ ] Getter 2](https://pic2-e.avaluer.net/imgspic/b/k/k/w/q/-2_matched_1958_rca_6sn7gtb_tubes___black_ladder_plates__bottom___getter-2_155.jpg)
![2 matched 1958 RCA 6SN7GTB tubes - Black Ladder Plates, Bottom [ ] Getter 3](https://pic2-e.avaluer.net/imgspic/b/k/k/w/q/-2_matched_1958_rca_6sn7gtb_tubes___black_ladder_plates__bottom___getter-3_155.jpg)
Item History & Price
| Reference Number: Avaluer:7436545 |
*FantasticTubes !!!
*
One matched pair, circa 1958, U.S.A made by RCA,
type 6SN7GTB vacuum tubes
as pictured.Condition:
Used tubes
Silk-screening:
Please refer to pictures
Date codes:
KX
KY
Tubes feature black ladder plates, steel grid posts and bottom-mounted 'rectangular' getters construction.
Tubes appear identical in construction.
*
Hickok TV-7B/U* checked
@ 89/85 87/86
min: 50/50
(...Triode#1 / Triode#2)
*Hickok TV-7B/U is a mutual conductance type tube tester. It does check for mutual conductance which is a more accurate measure of tube's age.Satisfaction Guaranteed!
*FantasticTubes !!!Domestic U.S.A. shipping only please! Sorry, NO international shipping!
00009
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