All tubes are untested, but I’d imagine most should test just fine. Other Tubes and Accessories (eye tubes, Nixie tubes, CRTs, sockets, etc). Yes, it’s that simple! Audio Preamp Tubes (12AX7, 12AY7, 6SN7, 6DJ8, etc).
Item Tag: RCA
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Pair JAN 5670W RCA NOS Vacuum Tubes, Triplett 3444 Tested – will combine ship
New Triplett chart =3600/3600 & 5500/5500 micromhos. Vacuum Tubes. ‘Matched’ refers to comparing the gm test results between the lowest to the highest of the identical sections of a set of tubes. ‘Matched’ I consider to be within 10%.
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5AR4 GZ34 Vacuum Tube RCA NOS mullard great britain 4 notch
Tested on BK precision 667 tube tester. gray plates with 4 notches. I believe these were made by mullard.
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RCA 5AR4 / GZ34 Rectifier Tube JAPAN RARE Tested
Rare made in Japan 5AR4 Rectifier Vacuum Tube. Tested and works. Enjoy 🙂
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NOS NIB RCA 5AR4 GZ34 Vintage Rectifier VACUUM TUBE Guitar Amp TESTED B.9889
Model 5AR4 GZ34. Tube Type Rectifier. Manufacture Date 1958, August — RCA Harrison, NJ plant. Labeled for RCA made by SYLVANIA. Common Use Guitar Amp. Condition NOS. ALL TUBE AUDIO. Tube Specifications.
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Pair Matched RCA GZ34 5AR4 Tubes Copper Lined Plates TV7 TESTED Near NOS LEVELS
For sale is matched RCA 5AR4 / GZ34 vacuum tubes with copper lined plates. They tested at near NOS levels where the minimum for good tubes is 40.
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Concept Preamp Jumpers RCA Plugs 2.0 2.5 3.5 4.5 4.5D 5.5 6.5 7.5D Receiver
Up for sale here is this set of 2 (two) Concept preamp jumper plugs. The pins are about 18mm apart, center-to-center. These are really nice plugs and will work great in your Concept receiver. If you have a Sansui, those use slightly smaller ones, which I havehere.
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RCA Electronic Tube #6679 / 12AT7 Vacuum Tube NIB
The RCA Electronic Tube #6679 / 12AT7 Vacuum Tube is a vintage electronic component manufactured in the United States by RCA. This unit is a model 12AT7 electron tube, known for its high-quality performance in vintage audio and video systems. With its NIB (new in box) packaging, this vacuum tube is a sought-after collectible for vintage electronics enthusiasts looking to restore or repair classic audio equipment.