AMPEREX ECC88/6DJ8 – MATCHED PAIR (2 PCS)
GRADE: PLATINUM SERISE | MADE IN HOLLAND
Made in Holland
Date Code: ⊿9A4
Grey Plate
Solid Disc Getter
Dual Triode ECC88 / 6DJ8
New in White Box
Amplitrex AT1000 Tested
Up for sale is a matched pair (2 Pcs) of vintage NOS Amperex ECC88 / 6DJ8 dual triode vacuum tubes, manufactured in Holland at the Heerlen factory (Date Code: ⊿9A4). Featuring grey plates, orange globe printing, and a solid disc getter structure, these classic Dutch tubes are world-renowned for their open soundstage, sweet midrange, and dynamic extension. Supplied in new white boxes, this pair is an excellent choice for audio preamplifiers, DAC buffer stages, and headphone amplifiers requiring top-quality 6DJ8 / ECC88 / 6922 / E88CC tubes.
Both tubes have been fully tested on an advanced digital Amplitrex AT1000 tube tester. Complete laboratory measurements for Plate Current (Ip in mA) and Mutual Conductance (uMhos) alongside percentage performance ratings relative to specified reference specs (15.0 mA / 12500 µmhos) are presented in the table below.
| Serial No. | Triode Section | Plate Current (Ip) | Mutual Conductance (uMhos) | ||||
|---|---|---|---|---|---|---|---|
| Ref Spec | Result | % Ip | Ref Spec | Result | % uMhos | ||
| SR.NO.1756014
|
T1 | 15.0 mA | 12.8 mA | 85% | 12500 | 12030 | 96% |
| T2 | 15.0 mA | 15.6 mA | 104% | 12500 | 13170 | 105% | |
| SR.NO.1756021
|
T1 | 15.0 mA | 15.0 mA | 100% | 12500 | 12190 | 98% |
| T2 | 15.0 mA | 15.0 mA | 100% | 12500 | 12900 | 103% | |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
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