RIVERSTONE AUDIO
Riverstone Audio 7-Pin JAN 5654W Fully-Tested Vacuum Tubes - Matched Pair (2 Tubes) - Upgrade for 6AK5 / 6J1 / 6J1P / EF95
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Product Description
About this item
- Tested and matched pair (2 tubes) of low-noise 7-Pin NIB/NOS JAN 5654W Vacuum Tubes. Considered one of the best of the 5654 / 6AK5 / EF95 family of tubes for audio use.
- Our platinum Grade 5654W vacuum tubes are matched within 3% for both plate current (ip) and mutual conductance (Gm) and are backed by our no-nonsense 3-year warranty.
- We guarantee that the 5654W tubes selected for our Platinum Grade matched pairs test at NOS levels at or above 4500 micro-mho with a plate current of 6.6 mA or higher. All tubes must also pass a specialized life test and an audio sound test.
- Riverstone Audio Platinum Grade tubes are provided with data labels showing measured ip and Gm.
- Amplifier damage can occur if you substitute the wrong type of tube. 5654W tubes should only be used to directly replace 7-Pin 6J1, 6J1P / 6J1P-EB / 6Zh1P-EV, 6AK5, 6AK5W and EF95 tubes. DO NOT substiture for other types of 7-pin vacuum tube unless approved as a substitute by the manufacturer of your audio device.
Description
Riverstone Audio specializes in the testing of vintage US and Russian vacuum tubes used for audio applications. During the past decade, Riverstone Audio has tested over 70,000 vintage vacuum tubes. The proper evaluation of vintage tubes for audio applications requires considerable effort and specialized test equipment. Our workshop has the best available equipment for testing and evaluating the electrical and audio qualities of vacuum tubes, including several state-of-the-art Amplitrex AT1000 tube testers and various vintage and custom-built tube and audio test equipment. The Amplitrex tube testers allow us to determine a vacuum tubes electrical parameters with precision, including plate current, mutual conductance, grid characteristics, gas, life, inter-element leakage and noise. Additional test equipment allow us to evaluate vacuum tubes under different test parameters, including self-bias (cathode bias) test modes. Riverstone Audio personnel are trained professionals, with a detailed understanding of vacuum tube technology and amplifiers. We have the hands-on experience needed to select vintage vacuum tubes that will provide the best possible audio listening experience. Our senior engineers are experienced in running engineering research labs and closely monitor all aspects of testing, matching, and QC procedures and are also available to answer customer questions when they arise.
Product Details
| Property | Value |
|---|---|
| asin | B01BFJDTW0 |
| manufacturer | Riverstone_Audio |
| best sellers rank | #115 in Audio Component Amplifiers |
| item model number | 2PC-GE5654W |
| package dimensions | 4.1 x 3.2 x 1.7 inches; 6.38 ounces |
| date first available | January 21, 2016 |
| is discontinued by manufacturer | Yes |
