6922 / E88CC NATIONAL NOS Premium Selected (balanced)
The E88CC NOS is the High-End-Version of the ECC88 or 6DJ8. Selected for perfect balanced audio output and lowest noise.
The 6922 is used worldwide from demanding HiFi amplifier manufacturers seeking for highest consistent quality and livetime.
Printing on the glass may be different depending on avaiability of stock.
Q: When does a power tube become a
Premium Selected power tube?
A: All power tubes labeled
Premium Selected have passed the following tests:
- Plate Current (PC) and Amplification (TC)
- Low Noise Test
- Microphonic Test
- Sonic Tests
- Shock Tests
- Listening Tests
- Shorts & Leakage Tests
Matching and Selecting Options for Preamp TubesMatching in Pairs for preamp tubes means that two tubes show identical gain, hence, four characteristically identical systems.
This matching method includes our
Balance-Selection. We highly recommend this matching method for hi-fi systems.
Premium Selected/Highgrade tubes are guaranteed for a period of 6 months (according to terms of warranties)
for the quality criteria mentioned above.
RohS Compliant
