TRONIX ECC88 / CV5358 / 6DJ8 — Matched Pair (2 Pcs)
6DJ8 / E88CC Equivalent
Grey Plate Construction
Original Box
Amplitrex AT1000 Tested
Available now is a matched pair (2 Pcs) of Tronix ECC88 / CV5358 dual triodes. These are premium NOS valves in their Original Boxes. The CV5358 designation represents a high-reliability military version of the ECC88/6DJ8, known for its low noise and robust performance in high-end audio preamps and signal gear.
Technical features include the distinct Plate Getter and Grey Plate construction. These units have been laboratory-verified on the Amplitrex AT1000. Percentages are calculated against the factory-specified parameters of 15.0 mA Ip and 12,500 µMhos Gm.
| Serial No. | Test Triode | Parameter Ip mAdc | Result Ip mAdc | % Ip | Parameter Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| 5310001 | T1 | 15.0 | 10.4 | 69% | 12500 | 12900 | 103% |
| T2 | 15.0 | 11.4 | 76% | 12500 | 12320 | 98% | |
| 5310007 | T1 | 15.0 | 12.6 | 84% | 12500 | 12370 | 99% |
| T2 | 15.0 | 9.4 | 63% | 12500 | 12070 | 96% |
About NOS Audio Tubes
Based in Mumbai, India, we are experts in the sourcing and laboratory verification of rare vintage vacuum tubes. With over 300,000 valves in stock and a history dating back to the 1970s, we utilize the Amplitrex AT1000 to ensure world-class quality for audiophiles and manufacturers globally.
Note : Custom Duties and taxes are the responsibility of the buyer in their country.
















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