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6CG7 / 6FQ7 tubes
The 1970s GE 6FQ7 / 6CG7 tubes in this precisely matched pair have halo getters and gray plates with copper grid posts with reflective shields. The white labels have the GE logo. Both tubes test as new and are matched for both mA and Gm.
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The 1970s GE 6FQ7 / 6CG7 tubes in this precisely matched quad have halo getters and gray plates with copper grid posts and reflective shields. The white labels have the GE logo. All 4 tubes test as new and are matched for both mA and Gm.
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This 1970s Raytheon 6FQ7 / 6CG7 tube was made in Japan. It has a halo getter and short gray plates with copper grid posts. The yellow print on the glass has the Raytheon logo. Tube tests as new with balanced sections and low noise.
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This RCA 6FQ7 / 6CG7 tube has gray plates, a side getter, and a clear top. The red print on the glass has the RCA logo (label may be partial). Tube tests as new.
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This 1970s GE 6FQ7 / 6CG7 tube has a halo getter and gray plates with copper grid posts. "6FQ7 6CG7 U.S.A." in engraved in the glass with the dot pattern typical of GE tubes. Tube tests as new.
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.
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