SIEMENS E88CC / 6922 – MATCHED PAIR (2 PCS)
Gold Pins
Grey Plate
Top Ring Getter
Dual Triode E88CC / 6922
New in White Box
Amplitrex AT1000 Tested
Up for sale is a matched pair (2 pcs) of premium vintage NOS Siemens E88CC / 6922 dual triode vacuum tubes with gold pins, manufactured in Germany and supplied in white boxes. Celebrated worldwide for exceptional detail, high resolution, precise imaging, and extended lifespan, these German-made tubes feature grey plates and top ring getter structures. A top-tier upgrade for audiophile preamplifiers, DAC buffer stages, and headphone amplifiers taking 6922 / E88CC / 6DJ8 / CCa series tubes.
Both tubes have been fully tested on a precision Amplitrex AT1000 tube tester. Measured Plate Current (Ip in mA) and Mutual Conductance (uMhos) alongside percentage performance ratings relative to nominal factory reference specs (Reference: 15.0 mA / 12,500 uMhos) are detailed in the table below.
| Serial No. | Triode Section | Plate Current (Ip) | Mutual Conductance (uMhos) | ||||
|---|---|---|---|---|---|---|---|
| Ref Spec | Result | % Ip | Ref Spec | Result | % uMhos | ||
| SR.NO.224224 | Triode 1 | 15.0 mA | 18.4 mA | 123% | 12,500 | 14,110 | 113% |
| Triode 2 | 15.0 mA | 15.4 mA | 103% | 12,500 | 13,300 | 106% | |
| SR.NO.224062 | Triode 1 | 15.0 mA | 17.0 mA | 113% | 12,500 | 14,000 | 112% |
| Triode 2 | 15.0 mA | 14.2 mA | 95% | 12,500 | 12,830 | 103% | |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
Note: We have more than 100 Pcs
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