I have 1 excellent strong Amperex Holland Low noise Bugle Boy 7025 / 12ax7 tube.
Item Tag: RCA
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RCA 7025 (12ax7) Pair NOS Tested Very Strong TV7 & Etracer Tested
You are buying a NOS Pair of low noise 7025 (12ax7) tubes. These were tested using my tv7 for shorts and gas. I then used my Essues Technologies eTracer for Mutual Conductance. These tested very strong NOS I put the test info on a seperate box. Someone at some point wrote 12ax7 and a date 6/66 on the original boxes.
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Balanced NOS RCA 7025 Short Gray Plates Halo Getter NIB Cond Tests NOS Amplitrex
Tested on an Amplitrex AT1000. Balanced NOS RCA 7025 Preamp Tube | Short Gray Plates | Halo Getter | NIB Condition | 1968 Production.
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RCA 6SN7GTB Matched Pair NOS/NIB Black tall Ladder Plates matched & balanced!!!
Up for sale is amatched pair of RCA 6SN7GTB vacuum tubes Type: Dual triode (6SN7GTB). (2) RCA 6SN7GTB tubes. ot all 6SN7GTBs are equal—these are the earlier RCA builds withblack ladder plates and tall glass, before the later grey-plate versions.
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MATCHED PAIR RCA 6SN7GTB Short Bottle Black Plate D Getter VACUUM TUBES H.9159
Model 6SN7GTB. Getter D Getter. Variant Short Bottle. Plate Flat Black Plate. ALL TUBE AUDIO. Tube Specifications. Tube Type Dual Triode. Manufacture Date Unknown date code format.
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RCA 6SN7GTB Black Plate Side Getter Vacuum Tube Strong 3600/3500 Test
Tube features the desirable black-plate construction and side getter noted on the original storage bag. ● Section 1: 3600. ● Section 2: 3500. Tube is sold as pictured.
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RCA 6SN7GTB Vacuum Tube Vintage Tested Good in GE Box
Model 257 tester on 6/25/26. Old masking tape on tube and box is marked “6SN7GBT”.
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2 x 6sn7gtb RCA Tubes*Black Plates-D*Clear Glass*Very Strong Matched Pair*#14
2 x 6sn7gtb RCA Tubes. Tested on Enhanced Triplet E3444 Laboratory Tester prepared by Paul Hart of Roswell Ga. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable.