Brown base 6SN7GT Tube with silky clear top end and rich mid-range. Very pleasing tonal charactistic giving live to music. Upgrades 6N8.
Q: When does a preamp tube become a Premium Selected tube?
A: All preamp tubes labeled Premium Selected have passed the following tests:
- Low Noise Test
- Microphonic Test
- Gain Test
- Sonic Tests
- Shock Tests
- Listening Tests
- Balanced Output Test
Matching and Selecting Options
In the Balance-Selection, we select and match our tubes with symmetrical systems regarding their gain level.
Matching in Pairs 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.
TAD Premium Selected/Highgrade tubes are guaranteed for a period of 6 months (according to terms of warranties)
for the quality criteria mentioned above.
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