Tube Amp Doctor TAD PAIR TWO 2x 12AX7 12AX7-CZ ECC83 HIGH GRADE

Description

TWO new, factory tested TAD HIGH GRADE , SELECTED 12ax7-CZ re-issue tubes.  This new production TAD 12AX7 tube is hand-matched in Germany.  These are extremely high quality new production tubes.  The factory describes these as follows
Emphasize Your Punchy Mids!!
Selected ECC83 for the big & warm clean sounds (great for HiFi too!) and mellow top-end when pushed to overdrive. Our recommendation if you want to emphasize punchy mids. Especially great when pushed into a fat overdrive.
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 for Preamp Tubes
Matching 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.
TAD 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
On Nov-06-19 at 06:20:26 PST, seller added the following information:
Vacuum Tube Values is a Mundorf Premium Partner