EDISWAN CV5358 — Military Grade Matched ECC88 Pair
Laboratory Verified
Made in England
Military Ruggedized CV Spec
ECC88 / 6DJ8 / 6922 Family
Amplitrex AT1000 Verified
Offering a high-precision matched pair (2 pieces) of legendary Ediswan CV5358 dual triodes, manufactured in England. These are the premium, ruggedized military equivalents of the ECC88 / 6DJ8 / 6922 family. These valves feature robust Top Ring Getter construction and are in New Old Stock (NOS) condition.
Both tubes have been meticulously screened on the Amplitrex AT1000 professional tester. They exhibit exceptional balance across all four triode sections, making them ideal for high-end phono stages, DACs, and precision audio preamplifiers.
| Serial No. | Triode Section | Parameter Ip mAdc | Result Ip mAdc | % Ip | Parameter Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| #1715039 | Section 1 (T1) | 15.0 | 14.0 | 93% | 12500 | 12390 | 99% |
| Section 2 (T2) | 15.0 | 14.0 | 93% | 12500 | 12100 | 97% | |
| #1715027 | Section 1 (T1) | 15.0 | 15.2 | 101% | 12500 | 12100 | 97% |
| Section 2 (T2) | 15.0 | 14.2 | 95% | 12500 | 12100 | 97% |
Technical Note: Percentage calculations are based on Amplitrex standard factory parameters for the ECC88 family (15.0mA for Ip and 12,500 uMhos for Gm).
Note : Custom duties and taxes are the responsibility of the buyer in their country
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